Description
Hithium 1175Ah ESS Cell
A potential Game-Changer for Off-Grid Energy Storage
As of June 2025, Hithium has not yet commenced mass production of the 1175Ah LiFePO₄ (LFP) cells. These cells are currently in the PRE-production planning phase, with mass production anticipated to begin in the fourth quarter of 2025 or 2026 if they do choose to produce this huge LFP cell.
The Hithium 1175Ah LiFePO₄ (LFP) cell is poised to revolutionize off-grid energy storage solutions. With a nominal voltage of 3.2V and an impressive capacity of 1175Ah, this prismatic cell consolidates the power of four standard 280–300Ah cells into a single unit. This consolidation simplifies battery pack assembly, reducing complexity and potential points of failure
Key Specifications:
Dimensions: 580.22 x 75.22 x 216.31 mm
Weight: Approximately 20.4 kg
Energy Density: ≥180 Wh/kg
Cycle Life: ≥11,000 cycles
Operating Temperature Range: Charging: 0°C to 60°C; Discharging: -30°C to 60°C
Certifications: UL 9540A, UL 1973, IEC 62619, UN 38.3
For those constructing a 51.2V battery system, integrating 16 of these cells in series offers a streamlined approach, minimizing the need for complex wiring and balancing mechanisms.
Safety Considerations:
While larger capacity cells offer numerous advantages, they also present unique challenges. The increased energy density can elevate the risk of thermal events if not managed properly. It’s essential to note that while LFP chemistry is generally considered safer than other lithium-ion variants, the sheer size of these cells necessitates meticulous system design, including robust Battery Management Systems (BMS) and thermal management solutions. Solid-state batteries, which replace the flammable liquid electrolyte with a solid counterpart, promise enhanced safety and energy density. For example, Tesla’s acquisition of Maxwell Technologies in 2019 underscored its commitment to advancing this technology. However, scaling larger than 300ah batteries, especially with LFP chemistry, remains a significant challenge due to manufacturing complexities and material limitations.
Conclusion:
The Hithium 1175Ah ESS cell represents a potential significant step forward in energy storage technology, offering high capacity and simplified system architecture. While safety considerations are paramount, especially with large-format cells, advancements in cell design and management systems are addressing these concerns. As solid-state technology continues to evolve, it may further enhance the safety and efficiency of energy storage solutions.