Breaking News : EVE MB56 Stock is Available New Stock is leaving EVE factories this week.

EVE MB56: A Game-Changer in Energy Storage

EVE Energy’s new MB56 (also known as LF560K) battery cell is potentially going to make waves in the world of energy storage, promising to revolutionize everything from home solar systems to large-scale grid infrastructure. This LiFePO4 (LFP) prismatic cell boasts an impressive blend of high capacity, extended lifespan, and enhanced safety, setting a new benchmark for the industry.

EVE MB56 628AH 3.2V LFP LIFEPO4 DATASHEET

At its core, the MB56 offers a nominal capacity of 628Ah and a nominal voltage of 3.2V. What truly sets it apart, however, is its ultra-long cycle life, ranging from 8,000 to an astonishing 12,000 cycles to 70% of its original health. This longevity is a result of EVE’s innovative manufacturing techniques and improved material composition for both the cathode and anode.

Beyond its impressive lifespan, the MB56 prioritizes safety and efficiency. It features very low internal resistance, minimizing energy loss and maximizing performance. The cell is designed with robust safety features, including an explosion-proof and leak-free construction, and excellent thermal stability. EVE is even integrating “smart cell” technology for real-time monitoring of crucial parameters like temperature and gas levels.

The MB56 is a true workhorse, designed for a wide array of applications. Its primary focus is large-scale energy storage systems, encompassing utility-grade grid storage, commercial building solutions, and seamless integration with renewable energy sources. It’s also an ideal candidate for off-grid systems, providing reliable power for homes and remote setups. Furthermore, its “Automotive Grade” designation makes it suitable for electric vehicles, particularly buses, heavy-duty trucks, and commercial fleets, as well as marine applications. For the DIY enthusiast, its high capacity, pre-welded studs, and included busbars make it an attractive option for building custom battery packs.

EVE Energy began pilot production of the MB56 around December 2024 at its state-of-the-art “Super Factory” in Jingmen, China. This highly automated facility is designed for precision and efficiency, with the capacity to produce a remarkable 1.5 cells per second.

In essence, the EVE MB56 represents a significant leap forward in battery technology. Its combination of high capacity, exceptional cycle life, and advanced safety features not only drives down overall system costs but also simplifies integration, paving the way for a more efficient and sustainable energy future.

Limited stock is available, but they are now in production for available to purchase in limited quantities, we also have

Further news, we may be moving away from the JK BMS for some of our higher end batteries. We have already started using a PACEBMS on our LiFePro 51.2v 100ah batteries, and the software is great, the touchscreen is really easy to set the required protocol and the ability to connect to the BMS remotely is ideal, featuring both Wifi and Bluetooth.

The new models just recently annouced now feature 2A Active cell balancing, which is a really great feature, it not only extends the pack life, when the cells begin to fade with age, it also makes the balancing function, must faster than traditional energy storage BMS.

The new PACE BMS offers OTA (over the air) updates, a cleaner and nicer software setup, on Tier 1 grade hardware with 2A active balancer built into the board. This is significant, and allows us to be able to remotely update any BMS that is connected to the WIFI network at the installed location, firmware brings new features in particular inveter support and updates.

EVE Energy is listing on the Hong Kong Stock Exchange (HKEX)

EVE Energy is currently the 4th or 5th largest Lithium battery manufacturer in China that is based on 2024/2025 sales figures and revenues. That places them at around the 10th largest global battery manufacturer, but in terms of LFP chemistry probably around 3rd or 4th Globally, as LFP is really dominant in China, and the rest of the world is still mostly producing NMC or NCA, with its higher energy density.

Eve Energy announced on June 9, 2025 its board approval to issue H-shares for a HKEX listing to bolster its international brand, following 8.3 GWh of global EV battery installations in early 2025 cnevpost.com.

Other chinese battery companies who have already or are planning the same

1. CATL completed a US$4.6 billion secondary listing in May 2025, the largest IPO of the year
2. CALB went public in October 2022, raising HK$10.1 billion with its HK$38-per-share IPO cnevpost.com.
3. Rept Battero Energy debuted on December 18, 2023 under ticker 0666, raising HK$2.0 billion at HK$18.30 per share cnevpost.com.
4. BYD’s Date of IPO: 31 July 2002 inaugural public offering aimed to raise capital for expansion beyond batteries into automotive manufacturing, shortly before acquiring Xi’an Qinchuan Automobile in January 2003 en.wikipedia.org. BYD is the Tesla of China, vertical integration, they make almost 100% of the parts inside their own Electric vehicles
5. SVOLT – The sister company of GWM (Great Wall Motors) , if you don’t already know they have plans to capture some of BYD’s market share. In Australia you might see their battery in the GWM Cannon Alpha ute, though SVOLT does make a considerable number of NMC battery packs, and the Cannon Alpha is not LFP like the BYD. SVOLT like BYD does make a few Blade batteries, and we at LiFePO4 Australia have supplied those to customers before.

EVE ENERGY

Founded in 2001 and headquartered in Huizhou, Guangdong, EVE Energy has established itself as a key player in the lithium-ion battery industry, catering to both electric vehicles (EVs) and energy storage systems. As of the first four months of 2025, the company held a 2.7% share of the global EV battery market, ranking ninth worldwide.

EVE Energy’s international footprint includes significant investments and partnerships:

• Malaysia: A new battery plant in Kulim District, Kedah, began operations in February 2025, producing 21700 cylindrical-format NMC battery cells.
• Hungary: Construction is underway for a battery factory in Debrecen, set to supply BMW’s next-generation vehicles with 46mm diameter cylindrical NMC cells.
• United States: Through a joint venture named Amplify Cell Technologies, EVE Energy is establishing a battery manufacturing facility in Mississippi to serve the North American commercial vehicle market.
• Global Offices: The company has launched regional headquarters across various regions, including Asia-Pacific, Southeast Asia, and the Americas, to bolster its global operations.

Hong Kong Listing: A Strategic Move

The decision to list on HKEX aligns with EVE Energy’s goal to access international capital markets and support its global expansion. The company has received board approval for the issuance of H-shares and is collaborating with intermediaries to facilitate the listing process. This move follows similar strategies by other Chinese battery manufacturers, such as CATL, which successfully raised approximately $4.6 billion through its Hong Kong listing in May 2025. globaltimes.cn+2ess-news.com+2apnewsweek.com+2 channelnewsasia.com+1morningstar.com+1

Implications for the Industry

EVE Energy’s Hong Kong listing is indicative of a broader trend among Chinese battery manufacturers seeking to diversify funding sources and enhance their global presence. By tapping into international capital markets, these companies aim to accelerate their expansion and innovation efforts, contributing to the global advancement of electric mobility and energy storage solutions.

As EVE Energy progresses with its listing plans, investors and industry observers will be closely monitoring the company’s performance and its impact on the competitive landscape of the global battery industry.

Cheaper Home Batteries Program Australia 2025

Step-by-step summary of the Cheaper Home Batteries Program policy paper and some rough cost comparisons to help you work out the best option for you:

1. Introduction and Context:

• The Challenge: Australia leads the world in rooftop solar panel installations. However, the adoption of small-scale battery systems (which store solar energy for later use) is lagging. The primary reason for this is the high upfront cost of purchasing and installing these batteries.
• Why Batteries are Important:
  • They help secure renewable energy resources by storing excess solar power.
  • They improve the overall reliability and stability of the energy system.
  • They allow households and businesses to maximize their use of self-generated solar power, reducing reliance on the grid and potentially lowering electricity bills.
• Purpose of the Policy Paper: This document outlines the Australian Government’s plan to support the uptake of battery systems by making them cheaper. It details the key features of the “Cheaper Home Batteries Program,” focusing on who is eligible and how the program will work. It’s important to note that some details might change before the final regulations are approved.

2. The Cheaper Home Batteries Program: Core Details

• Program Name: Cheaper Home Batteries Program.
• Primary Goal: To significantly reduce the initial purchase and installation cost of small-scale battery systems for Australian households, businesses, and community facilities.
• Start Date: The program is scheduled to begin on July 1, 2025.
• Delivery Mechanism:
  • The program will be implemented by expanding the existing Small-scale Renewable Energy Scheme (SRES).
  • The SRES currently provides incentives for installing small-scale renewable energy systems (like rooftop solar panels) through the creation of Small-scale Technology Certificates (STCs).
  • The program will extend this STC mechanism to include eligible battery systems.

3. Financial Incentives (The Discount):

• Target Discount: The program aims to reduce the upfront cost of an eligible battery system by approximately 30%.
• Discount Value in 2025:
  • This 30% discount is estimated to be equivalent to $372 per kilowatt-hour (kWh) of the battery’s usable capacity.
  • In terms of STCs, this translates to 9.3 STCs per kWh of usable capacity in the year 2025.
• Progressive Reduction: The level of discount (and therefore the number of STCs) will gradually decrease over time. By the year 2030, the discount is planned to be half of what it is in 2025. This is designed to encourage earlier adoption.
• Funding the Discount: The Australian Government will purchase the STCs generated by the battery installations from the STC Clearing House. This government purchase effectively covers the cost of the discount provided to consumers.

4. Eligibility Criteria for Battery Systems and Applicants:

• Who is Eligible? The program is open to:
  • Households
  • Businesses
  • Community facilities
• Battery System Size:
  • Eligible battery systems must have a usable capacity between 5 kWh and 100 kWh.
  • However, the discount (STCs) will be provided for a maximum of 50 kWh of usable capacity per system.
• Solar PV System Requirement:
  • The battery system must be installed in conjunction with a new or existing solar photovoltaic (PV) system.
• Accreditation Standards:
  • Both the battery itself and the inverter (which converts DC power from the battery to AC power for household use) must be accredited by the Clean Energy Council (CEC). This ensures they meet certain quality and safety standards.
• On-Grid vs. Off-Grid Systems:
  • On-Grid Systems: Batteries connected to the main electricity grid must be Virtual Power Plant (VPP) capable.
    • VPP Capability: This means the battery system can be controlled (with the owner’s permission) to work in coordination with other distributed energy resources (like other batteries or solar systems) to provide services to the electricity grid. This can help with grid stability, managing peak demand, and integrating more renewable energy.
  • Off-Grid Systems: Batteries not connected to the main electricity grid do not need to be VPP capable.
• Relationship with Other Incentives: The support provided under this federal program will be in addition to any rebates or incentives offered by state and territory governments. This means consumers may be able to “stack” incentives for a greater overall discount.

5. Some Battery and inverters that may be eligible at estimated costs based on national averages

6. Regulatory Framework and Administration:

• Primary Administrator: The Clean Energy Regulator (the Regulator) will be responsible for administering the Cheaper Home Batteries Program as an expansion of the SRES.
• Responsibilities of the Clean Energy Regulator:
  • Ensuring overall compliance with the program’s rules and regulations.
  • Validating applications for STCs related to battery installations.
  • Issuing the STCs once applications are validated.
  • Managing a system of inspections for installed battery systems to ensure they meet requirements.
  • Educating the industry (installers, suppliers) about the program.
  • Taking compliance and enforcement action if rules are broken.
• Role of State and Territory Regulators:
  • State and territory government bodies will continue to be responsible for aspects related to:
    • Electrical safety of battery installations.
    • Ensuring installations comply with local electrical codes and standards.
    • Consumer protection issues related to the sale and installation of battery systems.

In summary, the Cheaper Home Batteries Program aims to significantly boost battery adoption in Australia by making them more affordable through an expansion of the SRES. It sets clear eligibility criteria focused on system size, solar integration, product accreditation, and VPP capability for on-grid systems, with the Clean Energy Regulator overseeing its implementation.

For up to date information contact us and we can send you a copy of the policy.

EVE 306AH VOLTAGE TO SOC

This information can tell us about LFP prismatic format cells and how the SOC to voltage works.
This data is pulled from an online resource, where an EVE MB30 cell was discharged at 40Amps of current from 3.6v to 2.5v.

The total capacity of this cell was approx 333ah and the average voltage was 3.23V throughout this 3.6-2.5v range.

Some important points. 10% was approx 3.09V under load. This is as low as we recommend taking the LFP cells to avoid any significant damage. Many users try to aim for the 20% point which cant really be achieved through voltage alone, a shunt or BMS with shunt like the JK Inverter BMS, would be needed to stop the battery at 20% SOC.

This will probably not be accurate, but under a load of about 0.2C the voltage of 20% SOC MB30 cells would be about 3.19V.

Identifying Qualified Solar PV and Battery Storage Providers in Queensland: A Guide to Current Standards and Verification

Accreditation for solar installers in Australia has recently transitioned from the Clean Energy Council (CEC) to Solar Accreditation Australia (SAA) as of May 2024

1. Introduction: Finding Accredited Solar & Battery Providers in Queensland

Navigating the process of selecting a solar photovoltaic (PV) and battery storage provider in Queensland requires careful consideration, particularly regarding qualifications and accreditation. Homeowners and businesses seeking to install these systems rightly prioritize safety, quality, performance, and eligibility for government incentives, such as Small-scale Technology Certificates (STCs). Ensuring that installers and designers meet specific requirements is crucial for systems to qualify for STCs.  

However, the landscape of accreditation and approval within the Australian solar industry has undergone significant changes recently. The term “Clean Energy Council (CEC) Accredited Installer,” once the standard, is no longer current. The responsibility for accrediting individual installers transitioned from the CEC to Solar Accreditation Australia (SAA) on 29 May 2024. Concurrently, the CEC’s “Approved Solar Retailer” program, which focused on businesses selling solar systems, was replaced earlier, in February 2023, by the New Energy Tech Consumer Code (NETCC) Approved Seller program. The CEC continues to administer this new code.  

This shift, involving distinct changes for both individual installers (now SAA) and retail businesses (now NETCC), introduces potential confusion for consumers. Businesses may still use outdated terminology like “CEC Accredited,” either intentionally or through oversight, making it harder for consumers to understand current requirements. This is compounded by the fact that these schemes cover different entities – SAA accredits individuals , while NETCC approves businesses. Understanding this distinction is fundamental to correctly identifying qualified providers.  

It is important to note that there is no single, official, government-maintained list that allows consumers to search for all SAA-accredited installers specifically within Queensland. Instead, identifying and verifying qualified providers involves understanding the current standards and utilizing specific tools and verification methods. This report aims to provide Queensland consumers with the necessary knowledge and practical strategies to confidently navigate this process. It will detail the roles of SAA, NETCC, the CEC’s product approval scheme, and Queensland’s mandatory electrical licensing requirements. Subsequently, it will outline methods for finding potential providers and, crucially, verifying their credentials and the products they offer, concluding with essential checks before entering into any contract.  

2. Understanding the Current Accreditation & Licensing Landscape in Queensland

Ensuring a high-quality, safe, and compliant solar PV and battery storage installation in Queensland necessitates verifying credentials across several distinct layers. These involve the individual performing the installation, the business selling the system, the specific components used, and mandatory state-level electrical licensing. Each layer plays a critical role in the overall integrity and eligibility of the system.

2.1. Solar Accreditation Australia (SAA): Accrediting the Installer (The Individual)

Solar Accreditation Australia (SAA) is now the designated national body responsible for the accreditation of individuals who design and install solar PV and battery storage systems. This function was previously managed by the Clean Energy Council but fully transitioned to SAA in May 2024.  

SAA accreditation for the individual installer who completes or supervises the installation is a mandatory requirement for the system owner to be eligible to claim STCs, often referred to as the ‘solar rebate’. Without this accreditation, the financial benefits associated with STCs cannot be accessed.  

Crucially, SAA accreditation applies only to individual persons, not to companies or businesses. While companies employ SAA-accredited individuals to perform the work, the company itself cannot hold SAA accreditation. Consumers should be wary of any business claiming to be “SAA Accredited,” as this indicates a misunderstanding or misrepresentation of the scheme.  

To achieve and maintain accreditation, installers must meet stringent requirements. This includes completing specific training modules, adhering to all relevant Australian Standards (such as AS/NZS 5139 for battery installations ), complying with local grid connection rules, and following the installation requirements of the accreditation scheme. Furthermore, accredited installers must meet strict on-site attendance requirements, being physically present during critical stages: job setup, a mid-installation check-up, and the final testing and commissioning. Photographic evidence documenting their presence at these stages, including date, time, and geolocation data, may be required for compliance verification.  

2.2. New Energy Tech Consumer Code (NETCC): Approving the Seller (The Business)

The New Energy Tech Consumer Code (NETCC) is a voluntary code of conduct specifically designed for businesses (retailers or sellers) involved in the sale of ‘New Energy Tech,’ which includes solar PV systems, battery storage, EV chargers, and other emerging technologies. Although participation is voluntary, the code is administered by the Clean Energy Council and is authorised by the Australian Competition and Consumer Commission (ACCC).  

The primary goal of the NETCC is to establish consumer protection standards that go beyond the minimum requirements set by Australian Consumer Law. It covers the entire customer journey, setting standards for ethical sales and marketing practices, clear and comprehensive quotes and contracts, safe and timely delivery and installation, fair warranty terms, and effective after-sales support and complaints handling processes.  

While choosing a NETCC Approved Seller is not mandatory for STC eligibility in the same way SAA accreditation is for the installer, it is highly recommended. Businesses that become signatories commit to upholding these higher standards. Importantly, NETCC Approved Sellers are obligated to use SAA-accredited installers for the physical installation work and must use products (panels, inverters, batteries) that are approved by the Clean Energy Council. This commitment provides consumers with an added layer of assurance regarding the quality and compliance of both the installation service and the components used.  

The NETCC program officially replaced the CEC’s former “Approved Solar Retailer” (ASR) program on 1 February 2023. Consumers may still encounter references to the ASR program in older documentation or marketing materials , highlighting the importance of understanding this transition. The NETCC program has seen significant uptake, with over 1,500 businesses across Australia becoming signatories.  

The existence of the NETCC program serves as a valuable initial filter for consumers. Because Approved Sellers have undergone an assessment process and committed to higher operational and ethical standards , searching the NETCC directory first can streamline the process of finding reputable businesses. These businesses are more likely to adhere to best practices, use qualified personnel (SAA accredited installers), and install compliant equipment (CEC approved products) , simplifying the consumer’s initial search phase compared to navigating the broader market.  

2.3. Clean Energy Council (CEC): Approving Products & Administering NETCC

While the CEC no longer accredits individual installers, it retains crucial roles within the rooftop solar and battery sector. Its most significant function for consumers and installers is maintaining the official lists of approved products. These lists cover PV modules (panels), inverters, and batteries that have been tested and verified as meeting relevant Australian Standards.  

Using components included on these CEC-approved lists is mandatory for claiming STCs. Furthermore, grid connection agreements with electricity network distributors often require the use of CEC-approved components. It is vital for both installers and consumers to ensure that the specific make and model of panels, inverters, and batteries being installed are currently listed, as products can be added or removed (de-listed) over time. Checking these lists directly on the CEC website provides certainty.  

As mentioned previously, the CEC also administers the NETCC program for approved sellers.  

Additionally, the CEC offers company membership. However, this is distinct from both SAA installer accreditation and NETCC seller approval. While membership indicates support for the clean energy industry, it involves lower barriers to entry and is not considered a reliable indicator of installation quality or adherence to specific consumer protection standards compared to NETCC approval.  

2.4. Queensland Electrical Licensing: The Non-Negotiable Foundation

Underpinning all industry-specific accreditations and approvals is the fundamental legal requirement for electrical licensing in Queensland. Any individual performing electrical wiring work, which includes the installation of grid-connected solar PV systems and battery storage systems, must hold a current Queensland electrical licence issued by the state’s Electrical Safety Office (ESO).  

This requirement applies irrespective of whether the individual holds SAA accreditation or works for a NETCC Approved Seller. It covers grid-connected systems and generally extends to off-grid systems involving alternating current (AC) voltages of 50V or more, or direct current (DC) voltages of 120V or more. Battery system installations inherently involve electrical work requiring a licensed electrician.  

Engaging unlicensed individuals for electrical work is illegal and poses significant safety risks, potentially leading to electric shock or fire. Consumers have a responsibility to verify the electrical contractor’s licence number before any work commences. This verification ensures the work is performed legally and by someone qualified under state law.  

The interplay of these different requirements highlights that ensuring a compliant and high-quality installation involves multiple checks. The individual installer needs both SAA accreditation (for STCs and industry standards) and a Queensland electrical licence (for legal and safety compliance). The business selling the system should ideally be a NETCC Approved Seller for enhanced consumer protection and assurance of best practices. Finally, the core components – panels, inverter, and battery – must be on the CEC’s approved product lists. Failure to meet the mandatory requirements (SAA accreditation, QLD licence, CEC-approved products) can jeopardise STC eligibility, grid connection approval, system safety, and legal compliance. Opting for a non-NETCC approved seller, while not automatically disqualifying, removes a layer of assured consumer protection and recourse.

Table 1: Key Accreditation, Approval, and Licensing Bodies for Queensland Solar & Battery Installations

3. How to Find and Verify Approved Solar and Battery Providers in Queensland

Given the multi-layered compliance landscape and the absence of a single, comprehensive government directory, a strategic approach is needed to find and verify solar and battery providers in Queensland. The recommended process involves using dedicated directories to identify potential businesses and then rigorously verifying the credentials of both the business and the specific individuals involved.

3.1. Primary Method 1: NETCC Approved Seller Directory (Recommended for Businesses)

The most effective starting point for finding reputable businesses is the official NETCC “Find an Approved Seller” directory. This tool is accessible via the NETCC website at https://www.newenergytech.org.au/find-an-approved-seller.  

Users can search this directory by location, entering a specific Queensland suburb or postcode. Crucially, the tool allows filtering by the type of services offered, enabling users to specifically select businesses that provide both Solar PV and Battery Storage systems. The search results are typically displayed as a list or map of businesses meeting the criteria.  

The primary advantage of using this directory is that it lists businesses that have voluntarily committed to the higher consumer protection standards outlined in the NETCC. These businesses are also required to use SAA-accredited installers and CEC-approved products, providing a degree of pre-qualification. With over 1,500 signatories nationally, the directory offers a substantial pool of potential providers.  

However, it’s important to remember that this directory lists businesses (sellers), not every individual SAA-accredited installer. Furthermore, participation in the NETCC program is voluntary, meaning some competent and reputable installers or businesses may not be listed. Therefore, while an excellent starting point, it should not be the sole resource used.  

3.2. Primary Method 2: Master Electricians Australia (MEA) Directory

Another valuable resource is the “Find a Master Electrician” tool provided by Master Electricians Australia (MEA) , available at https://www.masterelectricians.com.au/find-master-electrician/. MEA is an industry association for electrical contractors.  

This tool allows users to search for member businesses based on specific services and location. Users can select multiple services from an extensive list, including relevant options like “Solar,” “Battery Energy Storage,” and potentially “CEC Accreditation” (though the exact meaning of this filter in the current context may need clarification with the provider, it likely relates to familiarity with CEC requirements or product lists). Users then enter a Queensland location (suburb or postcode) and specify a search radius (10km, 50km, or 100km) to find local contractors.  

Using the MEA directory can identify local electrical contractors who are members of the association and have committed to a code of ethics, with access to technical and safety support resources. It provides an alternative searchable database filtered by specific electrical specialisations, including solar and battery work.  

Similar to the NETCC, MEA membership is voluntary, so the directory does not encompass all qualified electricians or solar installers in Queensland. Finding a contractor through this tool still necessitates independent verification of their specific SAA accreditation for solar/battery work and their current Queensland electrical licence status.

3.3. Verification Step 1: Checking SAA Accreditation (For Individuals)

Once potential providers (businesses) have been identified, the critical step is to verify the accreditation of the individuals who will be responsible for the system design and installation. This is done using the SAA “Accreditation Status Check” tool , found at https://saaustralia.com.au/accreditation-status-check/.  

This tool is designed purely for verification, not for searching a list of installers. To use it, the consumer must first obtain the full name or, preferably, the SAA accreditation number of the specific installer(s) from the potential solar company. It is essential to ask the company for these details for the individuals who will physically perform or directly supervise the work on-site. Entering these details into the tool confirms whether the individual holds current SAA accreditation and is therefore qualified under the scheme required for STC eligibility.  

3.4. Verification Step 2: Checking Queensland Electrical Licenses

Parallel to verifying SAA accreditation, it is imperative to confirm that the electrical contractor (business) and/or the individual electrician performing the work holds a valid Queensland electrical licence. This is verified using the official Queensland Government Electrical Licence Search tool, managed by the Electrical Safety Office (ESO). The tool can be accessed via the ESO website at https://www.electricalsafety.qld.gov.au/electrical-license-search or directly through the public search portal at https://rapid.appianportals.com/public_licence_search.  

Users can search the database using the electrical contractor’s business name or their specific licence number. The search confirms if the licence is current and valid for the type of electrical work being undertaken. This check verifies the legal right of the contractor to perform electrical work in Queensland, which is a fundamental safety and compliance requirement that cannot be overlooked.  

3.5. Secondary Resources (Use with Caution)

Beyond the primary NETCC and MEA directories and the essential SAA/QLD Licence verification tools, consumers may encounter other resources:

• Third-Party Directories & Comparison Websites: Numerous commercial websites (e.g., SolarQuotes , Solar Directory , ENF Solar ) list solar installers, often searchable by location. Some, like SolarQuotes, state they vet installers they refer. While these can be useful for identifying local businesses, consumers must exercise caution. Listing on such sites does not automatically guarantee current accreditation or quality. It is crucial to always independently verify SAA accreditation and QLD electrical licenses using the official tools described above, regardless of claims made on third-party platforms. Be mindful that commercial relationships may influence rankings or recommendations on these sites.  
• National Electrical and Communications Association (NECA): NECA is another significant industry body representing electrical contractors. While NECA has member directories , publicly accessible search tools appear less specifically filterable by service (like solar/battery) and location compared to the MEA tool, based on available information. Consumers seeking NECA members may need to contact the Queensland branch directly for assistance.  

The existence of separate systems for installer accreditation (SAA), business approval (NETCC), product approval (CEC), and state licensing (QLD ESO), along with various voluntary industry memberships (MEA, NECA) and commercial directories, means there is no single, unified source for finding and verifying providers. Consumers must utilize a combination of these tools to build a complete picture. Relying solely on one directory or skipping the verification steps carries significant risks regarding compliance, quality, and eligibility for incentives.

Furthermore, the lack of a publicly searchable database of all SAA-accredited installers by location places the primary burden of verification onto the consumer. Unlike searching for a NETCC Approved Seller business, finding and verifying the specific SAA-accredited individual requires proactively requesting their details (name and/or accreditation number) from the potential solar company and then using the SAA verification tool. Similarly, verifying the QLD electrical licence requires obtaining the contractor’s details first. This active verification process is an essential part of consumer due diligence.  

Table 2: Tools for Finding and Verifying Solar & Battery Providers in Queensland

4. Essential Checks Before Signing a Contract in Queensland

Identifying potential solar and battery providers using the directories and verification tools is a critical first phase. However, comprehensive due diligence must be performed before signing any contract to ensure the chosen provider meets all requirements and offers a suitable solution.  

4.1. Confirm Credentials

Before proceeding, re-verify all essential credentials:

• SAA Accreditation: Obtain the full name and SAA accreditation number(s) for the specific individual(s) who will be responsible for the system design and the on-site installation supervision (including setup, mid-install check, and commissioning). Use the SAA status check tool (https://saaustralia.com.au/accreditation-status-check/) to confirm their accreditation is current and covers the relevant installation types (e.g., grid-connect solar, battery storage).  
• NETCC Approval (Business): If engaging a solar retailer/company, confirm if they are listed as a NETCC Approved Seller using the NETCC finder tool (https://www.newenergytech.org.au/find-an-approved-seller). Choosing an Approved Seller provides access to enhanced consumer protection mechanisms and dispute resolution pathways.  
• QLD Electrical Licence: Request the Queensland electrical contractor licence number for the business undertaking the work, as well as the licence number of the specific electrician(s) who will be performing the electrical installation. Verify these licences are current and valid using the QLD ESO Electrical Licence Search tool (https://www.electricalsafety.qld.gov.au/electrical-license-search or https://rapid.appianportals.com/public_licence_search).  

4.2. Verify Product Approval

Ensure that every major component offered in the quote – specifically the solar panels (modules), the inverter(s), and the battery system – is currently listed on the Clean Energy Council’s approved product lists. The quote should clearly state the manufacturer and exact model number for each component. Ask the provider for links to the listings or check them independently on the CEC website (https://cleanenergycouncil.org.au/industry-programs/products-program). Using components not on these lists will render the system ineligible for STCs and may violate grid connection agreements.  

4.3. Obtain and Compare Multiple Detailed Quotes

Do not rely on a single quote. Obtain at least two, preferably three, detailed written quotes from different qualified providers to compare offerings and prices. A professional quote should be comprehensive and transparent, avoiding handwritten or vague proposals. Key elements to look for in each quote include :  

• Full business details: Name, address, phone number, ABN, and crucially, the QLD Electrical Contractor Licence number.  
• Installer details: Name and SAA accreditation number of the responsible installer(s).
• Itemised pricing: Clear breakdown of costs (including GST) for all components (panels, inverter, battery, mounting structure, cabling, isolators, etc.) and labour.  
• Component specifics: Exact quantity, manufacturer (brand), and model number for panels, inverter, and battery.  
• System specifications: Total solar array size (kWp) and battery usable capacity (kWh).  
• Performance estimate: An indication of the expected energy generation and potential savings, including assumptions made.  
• Warranty details: Clear statements outlining the duration and coverage of product warranties (panels, inverter, battery) and the installer’s workmanship warranty.  
• STC calculation: Explicit mention of the STC discount applied to the total price.  
• Timeline: An estimated schedule for supply and installation.  
• Payment terms: Deposit requirements, progress payments, and final payment schedule.  
• Substitution policy: Terms regarding component substitution if quoted models become unavailable (should require customer agreement and be for equivalent or superior specification).  

The level of detail and clarity in the quote often reflects the provider’s professionalism. A thorough, itemised quote suggests a meticulous approach, whereas a vague quote might obscure costs or allow for unwelcome variations later. NETCC standards specifically require clear and comprehensive quotes and contracts , reinforcing the link between quote quality and provider standards.  

4.4. Understand Warranties and After-Sales Support

Warranties are a critical aspect of the long-term value and security of a solar and battery investment. It is essential to understand the different warranties involved and who is responsible for honouring them. Key warranties include:  

• Solar Panel Product Warranty: Covers defects in materials and workmanship (typically 10-25 years).
• Solar Panel Performance Warranty: Guarantees a minimum power output level over time (typically 25 years, often with tiered degradation).
• Inverter Warranty: Covers the inverter unit (typically 5-10 years standard, often extendable for a fee).
• Battery Warranty: Covers the battery (typically 10 years, but often includes important conditions related to cycles, throughput, or depth of discharge).
• Workmanship Warranty: Covers defects related to the installation itself (NETCC Approved Sellers must provide a minimum five-year whole-of-system warranty, which often includes workmanship , but always confirm the specifics).  

Clarify the process for making a warranty claim for each component and for the installation work. Understand whether the installer/retailer manages the claim process with the manufacturer or if the consumer needs to deal directly with the manufacturer. Consider the risk of the installer/retailer going out of business; while Australian Consumer Law (ACL) provides recourse through the manufacturer for product faults, claiming can be more complex. Keeping detailed records of all components and manufacturers is vital. The complexity of these multiple, overlapping warranties, reliant on the longevity of different entities (installer, retailer, manufacturer), underscores the importance of choosing established, reputable providers. The NETCC’s mandated 5-year whole-of-system warranty offers a baseline level of protection , but scrutiny of the specific terms and the provider’s stability remains crucial.  

4.5. Review the Contract Carefully

Before signing, meticulously review the final contract. Ensure it accurately reflects all terms agreed upon in the final quote, including component models, pricing, warranties, payment schedule, and installation timeline. Pay close attention to clauses regarding potential delays, component substitutions, dispute resolution processes, and any exclusions or limitations. Do not sign if there are discrepancies or unclear terms.  

4.6. Check Installer/Seller Experience and Reputation

Assess the provider’s track record and stability:

• Business History: How long has the company been operating in the solar/battery industry? Look for businesses with several years of experience and an established local presence.  
• References: Ask for contact details of previous customers in Queensland who have had similar systems installed. Speaking to references can provide valuable insights into their experience with the company’s service, communication, and post-installation support.  
• Reviews: Check online reviews on platforms like Google or industry-specific sites (e.g., SolarQuotes), but interpret them critically, looking for patterns rather than isolated comments.  
• Installation Team: Clarify whether the company uses its own employees for installation or relies on subcontractors. In-house teams often provide greater accountability and consistency.  

4.7. Queensland Specific Checks

Confirm the provider is familiar with local requirements:

• Network Connection: Ensure the installer understands the specific grid connection application processes and technical requirements for Energex (South East QLD) or Ergon Energy (Regional QLD). They should typically handle the network connection agreement application on the customer’s behalf.  
• Emergency Backstop Mechanism: If the proposed system (solar PV and/or battery) has an inverter capacity of 10 kilovolt-amperes (kVA) or greater, verify the installer is aware of and compliant with the requirement to install a generation signalling device as part of Queensland’s emergency backstop mechanism, implemented from February 2023.  

5. Conclusion: Your Checklist for Choosing a Queensland Solar & Battery Provider

Selecting the right provider for a solar PV and battery storage system in Queensland is a significant decision that requires careful research and verification. Due to recent changes in industry accreditation and the multi-layered nature of compliance, consumers must be proactive in their due diligence.

To summarise the recommended approach, consider the following checklist:

1. Understand the Landscape: Recognize that SAA accredits individuals, NETCC approves businesses (voluntary), CEC approves products, and a QLD Electrical Licence is mandatory for electrical work. Be aware that “CEC Accredited Installer” is outdated terminology.  
2. Identify Potential Providers: Use the NETCC Find an Approved Seller tool (https://www.newenergytech.org.au/find-an-approved-seller) as a primary resource for finding businesses committed to higher standards. Supplement with the MEA Find a Master Electrician tool (https://www.masterelectricians.com.au/find-master-electrician/) if desired. Use other directories with caution.  
3. Verify SAA Accreditation: Obtain the name(s) and SAA accreditation number(s) of the specific individual(s) designing and installing the system. Verify their current status using the SAA tool (https://saaustralia.com.au/accreditation-status-check/).  
4. Verify QLD Electrical Licence: Obtain the electrical contractor licence number(s) for the business and individual(s) performing electrical work. Verify their status using the QLD ESO tool (https://www.electricalsafety.qld.gov.au/electrical-license-search).  
5. Verify CEC Product Approval: Ensure all quoted panels, inverters, and batteries (by specific model number) are on the current CEC approved lists (https://cleanenergycouncil.org.au/industry-programs/products-program).  
6. Get Multiple Detailed Quotes: Obtain at least 2-3 itemised, written quotes from different verified providers.  
7. Compare Quotes Thoroughly: Analyse component details, system size, performance estimates, all warranty terms (product, performance, workmanship), STC inclusion, timelines, and payment terms.  
8. Assess Warranties & Support: Understand warranty coverage, claim processes, and who provides support. Consider provider stability.  
9. Review Contract: Ensure the contract matches the final quote and all terms are clear before signing.  
10. Check Reputation & Experience: Investigate the provider’s history, check references, and read reviews critically.  
11. Confirm QLD Network Compliance: Ensure the provider understands Energex/Ergon connection rules and requirements for larger systems (>10kVA) if applicable.  

While the fragmented nature of accreditation and approval places a verification burden on the consumer, diligently following these steps significantly increases the likelihood of engaging a qualified, compliant provider. This methodical approach helps ensure the installation of a safe, high-performing solar and battery system that meets Australian standards, Queensland regulations, and is eligible for available government incentives. A reputable provider should be transparent, willing to provide all necessary credentials and documentation, and answer questions clearly throughout the process. Should issues arise with a provider, particularly a NETCC Approved Seller, avenues for complaint resolution exist via the NETCC program administrators or Queensland’s Office of Fair Trading.

Cheaper Home Batteries Program : LABOR 2025 FEDERAL ELECTION

On Sunday the 6th of April 2025, Federal Labor announced the Cheaper Home Batteries Program if elected promise.

The smoothing out of rooftop solar on the grid would likely reduce the need to upgrade network infrastructure and, it would follow, put downward pressure on network costs, which make up a large part of the retail energy bill that is paid by consumers.

POTENTIAL SAVINGS

A household with existing rooftop solar panels could save up to $1,100 annually* based on Labor quoted figures here
Explanation – Purchasing a battery should save $5,500 over 5 years, or up to $11,000 over 10 years. This includes the subsidy.

A home installing both new solar panels and a battery could save as much as $2,300 each year. These numbers are quoted again by Labor here

Cost analysis by ourselves looking at existing systems we have installed indicates that these savings could be a lot greater, especially for high users in the Ausnet power grid as mentioned by uncommonsolar on their detailed article . With peak prices of up to 50c per kWh some households could save up to $2100 a year on a battery install alone.

Scenario 1 – Deye 10 Year Warranty CEC Approved

Let’s say you install 2 x DEYE 6Kwh Wall Batteries, a Total of 12Kwh which is what we consider as an entry level battery size, Typically, it might cost approx $9,000-10,000 installed. Under the rebate, the price could drop by about $3000, making it dramatically more affordable. This rebate could slash solar batteries cost, significantly improving return on investment and shortening payback periods to less than 5 years for some customers after applying the proposed federal solar battery rebate.

The typical battery size is quoted as being 11.5Kwh, this is referenced in various places, common battery sizes are 5kwh of which most houses will purchase between 2 and 6 for a total 10-30Kwh

Alternative Battery sizes are 10kwh, 12Kwh, 14.3Kwh, 15Kwh and 16Kwh

Our LiFePro 16Kwh battery is our most popular battery for a couple of important reasons, we use large primsatic cells, such as the EVE 314ah cell with 8000 cycles , or the Hithium 10000 cycle 314Ah cell. We mention this because when you investigate the manufacturer datasheets, most 100ah cells which are the main cell used in smaller 5kwh batteries, then generally only support 3500-5000 cycles.

Summary – Using larger cells, leads to longer life based on manufacturer testing.

More about the Labor Battery rebate if elected

Mechanism: The program, starting July 1, 2025, if elected will offer a 30% discount on the cost of installed batteries through the existing Small-scale Renewable Energy Scheme. This could save around $4000 on a typical battery installation.

Beneficiaries: Households, small businesses, and community facilities are eligible.

Residential – Batteries up to 50Kwh
Small Business – Batteries up to 100 kWh are supported for businesses and facilities.

References –

1. “Huge win:” Federal Labor unveils $2.3bn plan to slash home battery costs
   https://reneweconomy.com.au/huge-win-federal-labor-unveils-2-3bn-plan-to-cut-home-battery-costs-by-30-pct/
2. Labor to deliver one million energy bill busting batteries
   https://alp.org.au/news/labor-to-deliver-one-million-energy-bill-busting-batteries/

Assumptions made

1. The average price of a low cost battery is about $531.43 per Kwh
2. After Rebate = $372 per Kwh
3. The average price of a high cost battery is $700 per Kwh
4. After Rebate $490 per Kwh
5. The cost of a LiFePro 16Kwh Battery is $374 per Kwh
6. After Rebate $262.45 Per Kwh

💰 Battery Cost Comparison Table (Per kWh)

Expected Savings:

Households with existing solar could save up to $1,100 annually.

Households installing new solar and battery systems could save up to $2,300 annually.

For all the latest news on the Cheaper Batteries Program sign up to our mailing list with all the latest news

Cheaper Batteries Updates and News

For the official statement from Labor, you can visit the page here: Labor to Deliver One Million Energy Bill Busting Batteries

Victron Multi RS 48/6000 + JK BMS CAN Communication

Forum discussions and user experiences regarding the integration of the JK-PB2A16S20P BMS with the Victron Multi RS Solar 48/6000.

Here we have tried to compile as much information as possible in regards to the JK BMS and Victron RS Solar 48/6000 All in One Inverter and communication with a lifepo4 battery. This topic requires the use of an external Cerbo GX, because the Multi RS Solar cannot communicate at the correct baud rate. Read on to see all the details

Integrating a JK BMS specifically the JK-PB2A16S20P BMS with a Victron Multi RS 48/6000

Overview: The JK-PB2A16S20P (a 16-cell, 48V “inverter” JK-BMS with CAN) can be integrated with a Victron Multi RS Solar 48/6000 inverter-charger. Users on various forums have shared their experiences getting these devices to communicate via CAN bus. Key steps include proper wiring (using Victron CAN cables), matching CAN-bus speeds, setting the JK BMS to the correct protocol for Victron, and configuring the Victron GX device (e.g. Cerbo GX) with DVCC so the BMS can control charging. Below are highlights from user discussions, including successful setups, required settings, and common issues encountered.

Connection and CAN Bus Compatibility

• Wiring and Cables: The JK BMS’s CAN port must be connected to the Victron system using the proper cable and pinout. The JK “Inverter BMS” has two RJ45 ports (one for RS485, one for CAN); users found you must use the correct (CAN) port – some JK documentation mislabeled them (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community).
• Victron offers two RJ45 CAN cables: Type B is the officially correct cable for the JK inverter BMS (though Type A can also work since the ground pin isn’t critical) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). One user initially saw no data because they had the wrong port/cable, but after switching, the CAN bus showed activity and the BMS appeared in the device list (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community).
• CAN Bus Speed Mismatch: The Victron Multi RS (and other VE.Can devices) communicate at 250 kbps, whereas the JK BMS defaults to 500 kbps on CAN. This can cause issues if they’re on the same CAN network. On the Victron Community forum, a user reported that after switching the GX device to “CAN-bus BMS (Low Voltage)” protocol for the Multi RS, the inverter’s normal readings (PV watts, load, etc.) all disappeared (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community).
• The root cause was the mixed baud rates – the Multi RS (250k) and BMS (500k) cannot share one CAN bus (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). The solution was to put them on separate CAN ports or ensure separate CAN networks for each speed.
• For example, if using a Cerbo GX (which has dual CAN interfaces), one can connect the Multi RS to the VE.Can port (250 kbps) and the BMS to the dedicated BMS-CAN port (500 kbps) – each bus terminated appropriately (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). In practice, this meant no “daisy-chaining” the BMS into the same CAN loop as the Multi; instead, each uses its own port or a CAN bridge configured for the correct speed (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community).
• JK BMS Protocol Setting: The JK BMS must be configured to speak a protocol Victron understands. Protocol #4 in the JK BMS settings was identified by multiple users as the Victron-compatible CAN mode (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). One user struggled until realizing this setting – after switching the BMS to “Victron CAN” (protocol 4), the Cerbo GX immediately recognized the battery, showing it as “JK-BMS” in the device list (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). (On the JK app, Protocol 4 corresponds to 500 kbps CAN using a Victron/Open standard BMS profile.) With Protocol 4 active and the correct wiring, the JK’s State of Charge and other data became visible on the Victron GX system (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community).

Victron GX Configuration (Cerbo GX / DVCC Settings)

Most integrations use a GX device (such as Cerbo GX or Venus OS on a Raspberry Pi) to interface the BMS with the Multi RS inverter:

• Enabling DVCC: Victron’s Distributed Voltage & Current Control (DVCC) must be enabled for the inverter/charger to actually obey external BMS commands. Simply seeing the BMS data on the Cerbo GX is not enough; DVCC allows the BMS to actively limit charging. In one case, a user’s Multi RS was “stuck in Discharging” and not using solar, until it was noted that the system was not under BMS control (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community). Once DVCC was enabled on the Cerbo and the battery was properly detected, the Multi RS transitioned to using the BMS info for charge regulation. On the GX device, under Settings → DVCC, “Allow battery to manage chargers” should be on, and the JK BMS will be listed as the controlled battery. A user noted their DVCC menu showed “Used sensor: JK-BMS on CAN-bus,” indicating the system had picked up the JK BMS as the battery monitor (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community). With DVCC on, the Multi RS display should indicate “External control” for charging, meaning it’s listening to the BMS.
• Battery Monitor Selection: In some cases, after connecting the JK BMS, the Cerbo GX might still default to an internal battery monitor or no monitor. It’s recommended to check Settings → System Setup → Battery Monitor and ensure the JK BMS is selected as the battery data source (instead of “No battery monitor” or a BMV sensor). One forum expert advised that the battery should appear first in the Cerbo’s device list and be selected, otherwise the inverter will charge based on its own static settings (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community). In summary, verify that the Victron system knows to use the JK BMS readings (voltage, SoC, etc.) for control.
• Integration via Venus OS Driver (Optional): One user (hdv) achieved integration by installing the open-source dbus-serialbattery driver on a Cerbo GX (Venus OS) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). This driver allows various BMS (like JK) to communicate over serial or BLE if not using direct CAN. In that setup, the JK BMS was connected using a serial link and the driver translated the data to Victron’s D-Bus. After enabling DVCC, the result was the same – the Multi RS saw a managed battery and followed the BMS limits. This approach can be useful if the CAN bus method is problematic; however, in hdv’s case the CAN was also utilized (they mention setting the CAN-bus to 500 kbit) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). The takeaway is that whether via native CAN or a Venus OS driver, the BMS data needs to get into the GX device, and then DVCC will let it control the Multi RS.

Successful Integration Experiences

Users have reported successful connections once the above configurations were in place:

• Restored PV/Load Data with Separate CAN Ports: In the Victron Community thread “JK BMS + Multi RS Solar protocol issue,” the original poster later confirmed the system working after addressing the CAN speed issue. By using separate CAN networks (and proper termination), the Multi RS’s PV input and load readings returned, and the JK BMS’s State-of-Charge and charge limits were being read correctly (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). The Multi RS (which has a built-in solar MPPT) appeared on the Cerbo GX as a PV charger device, and the JK BMS appeared as a battery. Both were visible simultaneously, indicating the protocol and networking were set up properly (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community).
• JK BMS Managing Charge Voltage/Current: With a proper CAN handshake, the Victron system will use the BMS’s advertised Charge Voltage Limit (CVL) and Charge Current Limit (CCL). One DIY Solar forum user with a Multi RS (referred to as RS450/200) described that DVCC was enabled and the Multi RS showed “external control” when charging, with CCL/CVL values updating from the JK BMS (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). In other words, the inverter/charger was modulating its output based on the JK’s commands (e.g. reducing charge current as the battery nears full, or respecting the BMS’s maximum voltage). This integration effectively makes the JK BMS the “master” of the charging process (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum) – a critical feature for protecting LiFePO4 batteries.
• Support for Absorption/Float Stages: Unlike some simpler BMS, the JK inverter BMS can convey more nuanced charging targets. Community members noted that the JK BMS has configurable absorption and float voltages (often set via the “RCV” and related parameters in the JK app) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). These settings align with Victron’s multi-stage charging. For example, one can set the JK BMS to request a 56.0 V absorption and 55.2 V float for a 16S LiFePO4 bank, and the Victron will follow those after integration. In practice, users have successfully used the JK BMS to stop charging at the desired top-of-charge and then hold a float, which prevents overshooting. Andy (Off-Grid Garage) and others have documented these JK BMS features (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community), giving confidence that a JK/Victron setup can charge a battery properly (not just on/off control).
• Example – Working Setup: One forum user (hdv) shared their working system configuration (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community): a Multi RS 48/6000, Cerbo GX Mk2, and a JK-PB2A16S20P (16s) BMS on a 48V LiFePO4 bank. They used a Victron CAN Type A cable into the Cerbo’s BMS-CAN port, enabled DVCC on Venus OS, and set the BMS to protocol 4. After also configuring the CAN-bus speed to 500k for that port, the Cerbo GX showed both the battery and the Multi RS PV charger, with the JK BMS successfully controlling the charge parameters (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). The user even let the JK BMS dictate the charge voltage limit (by configuring the BMS’s per-cell max voltage appropriately), and it worked in harmony with the Victron charger (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). This is a strong validation that the JK-PB2A16S20P can be integrated as a “smart” battery in the Victron ecosystem.

Common Issues and Troubleshooting Tips

Despite successful reports, a few recurring issues have been noted by users during setup. Here are common problems and how they were resolved:

• BMS Not Visible on the GX Device: If the JK BMS doesn’t show up in the Victron device list, first double-check the physical connection. Ensure the CAN cable is plugged into the JK BMS’s CAN RJ45 port (often the second port) – some people mistakenly used the RS485 port initially (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). Use the correct Victron cable wiring (Type B is intended for third-party BMS) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). If wiring is correct but no data, verify the JK BMS CAN protocol is set to 4 (Victron) in the JK app (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community).

One user had no TX/RX traffic on the Cerbo’s BMS-CAN until realizing the BMS was still in protocol 2; switching to protocol 4 immediately fixed that (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). Also, use the BMS-CAN port on Cerbo GX set to 500kbit/s for the JK BMS (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). The VE.Can port (250kbit) on the Cerbo is generally for Victron devices like the Multi RS or MPPT – the BMS should go on the separately configurable port.

Finally, adding proper termination resistors on the CAN bus ends is important for reliability (the Cerbo’s BMS-CAN port may need an external terminator if it’s one end of the CAN chain) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community).

What is a terminator In a CAN bus system, a terminator is simply a resistor (typically 120 Ω) that’s placed at the end of the cable run. Its job is to “absorb” the signals and prevent them from bouncing back (or “reflecting”) along the cable, which could interfere with proper communication between devices.

• Inverter Data (PV/Load) Disappears When BMS Connected: This issue was reported when a user tried to tie the JK BMS into the same CAN network as the Multi RS. After switching the Multi RS to “CAN-bus BMS” mode, the Cerbo GX no longer showed PV production or load on the Multi RS (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). The fix was to separate the CAN buses due to the speed difference as described earlier. Do not put the BMS and Multi RS on one continuous daisy-chain unless you configure them to the same baud rate. In practice, the Multi RS stayed on the VE.Can bus (250k), and the JK BMS was isolated on the other CAN interface at 500k (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). Once this was done, the Multi RS data returned and the BMS info was also available – the GX could see everything concurrently. In summary, if enabling the BMS on CAN makes other devices “vanish” from the network, it’s likely a CAN conflict; use separate ports or matching speeds to resolve it (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community).

• BMS Detected but Charger Not Following BMS (No DVCC): Another common pitfall is forgetting to enable DVCC (in older Venus OS versions, enabling “BMS support”). Without DVCC, the Victron inverter/charger will display the battery’s info (like SoC) but will not obey the BMS’s charge/discharge limits. For example, one person’s Multi RS was charging based purely on the default voltage settings, since the system wasn’t actually in “BMS-controlled” mode (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community). The Victron community recommended turning on DVCC and selecting the BMS as the controlling battery (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community). After doing so and rebooting the Cerbo GX, the Multi RS began taking power from solar and charging the battery properly, no longer stuck in an idle state. Ensure “Enable DVCC” is on, and “Shared Voltage Sense” / “Allow BMS to control charge” are enabled as appropriate. On the Multi RS display or Remote Console you should then see indicators that the battery is managed by BMS (e.g. charge voltage may show as externally limited). If you don’t see a “BMS” or “External” status, double-check DVCC settings. As one forum user put it: “Your system is not under the control of the battery’s BMS – you need to solve that first” (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community).
• Over-Voltage Protection (OVP) Trips / Charging Cuts Off: Some users have encountered the BMS cutting off charging (hitting OVP) or a rapid on-off behavior when the battery is near full. A JK BMS integrated with Victron will typically stop charge once any cell hits the over-voltage threshold. If the Victron charging voltage is set too close to that threshold, you can get an overshoot or oscillation. In one DIY Solar thread, a user’s 16S LiFePO4 with JK BMS would reach about 100% and then oscillate between charging and discharging every few seconds at float (Jk BMS jumping charging discharging – Q&A and troubleshooting – Victron Community). This was attributed to the BMS constantly toggling at the max voltage. The community identified two main culprits for OVP issues: (1) cell imbalance – if one cell is weaker and hits 3.65 V early, it triggers OVP while others are lower; (2) charge voltage set too high – pushing the battery to the very edge of 100% (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). The recommended solutions were: balance the battery (and check JK BMS active balancing settings) and reduce the charge voltage slightly (for instance, instead of 3.65 V/cell (58.4 V total) set about 3.60–3.62 V/cell (57.6–57.9 V) as the charger target) (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). One responder suggested running the system “open-loop” (no BMS comms) temporarily to manually adjust absorb/float to a safer level (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). In practice, many users set the JK’s per-cell charge limit (RCV) a bit below the hard OVP, and/or configure Victron’s absorption a tad lower, to prevent the JK from ever having to disconnect abruptly. When properly tuned, the Multi RS will taper off charge as the BMS requests and not hit the OVP in the first place.
• State of Charge Sync and Shunt Use: The JK BMS provides its own State of Charge (SoC) calculation to Victron. Some have noted that relying on the BMS’s SoC is generally fine (especially if the JK BMS is calibrated), but others prefer using a Victron SmartShunt or BMV for more accurate readings. In one case, a user asked if a smart shunt was “required” when using the JK BMS as the monitor; the consensus was that it’s not required, but a dedicated shunt can sometimes smooth out any quirks in SoC reporting (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum) (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). The JK BMS’s SoC can drift if the battery sits at full charge for a long time (common to many BMS), whereas a Victron coulomb-counter might be more precise. However, this is more of an optimization – many have run ESS systems with just the JK BMS data successfully (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). The important thing is to ensure whichever monitor you use (JK or a Victron BMV) is selected in the GX settings so that the Multi RS uses that for decision-making.

References and Forum Discussions

The insights above are drawn from community knowledge and specific forum threads where users documented their JK BMS + Victron setups:

• Victron Community (DIY section): “JK BMS + Multi RS Solar protocol issue” – Slawa19’s thread detailing initial connection problems and the solutions (CAN baud rates, protocol 4, etc.) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community). Another Victron forum Q&A, “Cerbo GX BMS-CAN – JK Inverter BMS not visible,” covers troubleshooting steps like using the correct RJ45 port and enabling the right protocol (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community). Also, discussion in “Nearly no solar preference after factory reset – Multi RS” touches on enabling DVCC and seeing “JK-BMS on CAN-bus” as the battery monitor (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community) (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community).
• DIY Solar Power Forum: “Battery overcharging hitting OVP – JK BMS + Victron RS450/200” – thread by user moto501, which confirms a successful CAN integration (JK BMS as master, DVCC on, CCL/CVL visible) and then troubleshoots an overcharge issue (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum) (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum). The advice given (balance cells, lower charge voltage) is widely applicable. Another DIY Solar discussion references the JK BMS causing charge/discharge cycling at float and emphasizes proper float voltage configuration (Jk BMS jumping charging discharging – Q&A and troubleshooting – Victron Community). These real-world cases highlight what to watch out for when fine-tuning the system.

By following the community’s guidance – correct wiring (use the CAN port and Victron cable), proper protocol settings (JK protocol #4), separating CAN networks to handle 500 k vs 250 k baud, and enabling DVCC for BMS control – many users have achieved a stable integration of the JK-PB2A16S20P BMS with the Victron Multi RS 48/6000. This allows the Victron inverter to safely charge and discharge the LiFePO4 battery bank under the supervision of the JK BMS, combining Victron’s robust power electronics with JK’s battery management at a fraction of the cost of Victron’s proprietary batteries.

Overall, the consensus from these forums is that the JK BMS and Multi RS are compatible over CAN bus, but it requires careful setup. Once configured, the system works well, with the BMS reliably providing SoC and protecting the battery, and the Multi RS delivering solar and inverter power optimized by those BMS inputs. The linked discussions (see citations) provide more detail and even screenshots from successful setups for those seeking to replicate this integration.

Sources:

• Victron Community Forum – user Q&A on JK BMS integration (Slawa19, lxonline, hdevries) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community)
• Victron Community Forum – thread on Cerbo GX and JK inverter BMS not visible (Kamen, Dick S., Marc) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community) (Cerbo GX BMS-CAN – JK Inverter BMS not visible – DIY – Victron Community)
• Victron Community Forum – DVCC/ESS configuration with JK BMS (Libor, Alex P.) (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community) (Nearly no solar preference after factory reset – Multi RS – DIY – Victron Community)
• DIY Solar Power Forum – user experiences with JK BMS on Victron (moto501 OVP issue, hwy17 advice) (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum) (Battery overcharging hitting OVP – JK BMS + Victron RS450/200 | DIY Solar Power Forum)
• Victron Community Archive – various insights on JK BMS charge behavior (Jk BMS jumping charging discharging – Q&A and troubleshooting – Victron Community) (JK BMS + Multi RS Solar protocol issue – DIY – Victron Community).