As the global energy transition shifts toward Long-Duration Energy Storage (LDES), Hithium has introduced the industry’s first mass-produced kilo-ampere-hour (kAh) scale cell: the ∞Cell 1175Ah. This cell represents a paradigm shift, moving beyond the traditional 280Ah/314Ah standards to offer unprecedented efficiency for large-scale energy projects.
1. Technical Specifications
The 1175Ah cell is specifically engineered for 4-to-8-hour storage applications, providing nearly 4kWh of energy in a single unit.
| Feature | Specification |
| Nominal Capacity | 1,175 Ah |
| Nominal Energy | 3.76 kWh |
| Chemistry | Lithium Iron Phosphate (LFP) |
| Nominal Voltage | 3.2 V |
| Cycle Life | ≥ 11,000 cycles (Design life > 25 years) |
| Energy Density | ~185 Wh/kg |
| Weight | Approx. 20.4 kg |
| Dimensions (L×W×H) | 580.2 × 75.2 × 216.3 mm |
2. Key Competitive Advantages
A. System Simplification & Cost Reduction
By utilizing a massive single-cell capacity, the 1175Ah cell effectively replaces approximately four 314Ah cells in a parallel configuration.
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73% Reduction in Parallel Connections: Fewer cells mean fewer busbars, fewer sampling harnesses, and a simplified Battery Management System (BMS) architecture.
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Enhanced Energy Density: Systems utilizing these cells (such as 6.25MWh containers) can achieve a 23% reduction in land footprint compared to previous generations.
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Lower LCOS: Reduced component counts and simplified assembly lead to a significantly lower Levelized Cost of Storage (LCOS).
B. Engineered for Long-Duration Longevity
Longevity is the core requirement for utility-scale investments. Hithium has addressed the challenges of “big cells” through chemical and structural innovation:
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11,000+ Cycle Life: Advanced electrolyte additives and cathode processing ensure the cell can withstand decades of daily cycling.
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Advanced Thermal Management: Large cells generate significant internal heat. Hithium’s design ensures a temperature rise of ≤ 5°C during operation, preventing localized hotspots that lead to premature aging.
C. “Safety-First” Architecture
Managing the energy of a 3.76kWh cell requires rigorous safety protocols. The ∞Cell 1175Ah incorporates:
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3D Airflow Design: A patented cover plate with integrated 3D air channels facilitates rapid heat dissipation and gas release.
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Dual-Explosion-Proof Valves: High-reliability pressure relief valves prevent thermal runaway propagation.
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Global Certification: The cell has secured UL 1973 and UL 9540A certifications, meeting the strictest international safety standards for stationary energy storage.
3. Manufacturing Excellence
Manufacturing a cell of this size requires extreme precision. Hithium utilizes its “Smart Factory” capabilities to ensure consistency:
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Ultra-High-Speed Stacking: Achieving a stacking speed of 0.1625 seconds per sheet with a precision tolerance of less than 0.5mm.
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Automated Quality Control: 100% X-ray inspection and AI-driven defect detection are used to ensure every cell meets the 25-year reliability target.
4. Market Impact & Applications
The ∞Cell 1175Ah is designed for the “Front-of-the-Meter” market, including:
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Utility-Scale Solar + Storage: Ideal for smoothing renewable energy output on the grid.
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Grid Frequency Regulation: Providing rapid response with high reliability.
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Industrial Microgrids: Maximizing energy storage in space-constrained industrial zones.
Summary
The Hithium 1175Ah cell is not just a larger battery; it is a strategic tool designed to make 4+ hour energy storage economically viable. By cutting down complexity and increasing durability, it sets the stage for the next generation of massive, grid-scale battery parks.
Are you looking for information regarding the integration of these cells into a specific BESS (Battery Energy Storage System) container? Contact us for more details.