This 21,000Wh (51.2V, 410Ah) LiFePO₄ energy storage battery features high-energy-density cells in a IP65 waterproof enclosure (500×733×418mm, 160kg). Its LiFePO₄ chemistry ensures ultra-long cycle life and superior safety, with wide-temperature operation (-30°C to 60°C) and low internal resistance (≤0.25mΩ) for high efficiency. Equipped with a smart BMS protection system and IP65 dust/waterproof rating, it meets international safety certifications. The modular design enables easy scalability for RVs, home energy storage, and industrial applications, offering a reliable and eco-friendly power solution in harsh environments
Core Advantages
Safety
LiFePO₄ chemistry ensures thermal stability and eliminates explosion risks, with 6-layer BMS protection against overcharge, over-discharge, short circuits, and temperature extremes
Longevity
≥8000 cycles at 80% DOD, 5-8 times longer than lead-acid batteries; <3% monthly self-discharge at room temperature
Energy Storage Systems
Solar (80% DOD), UPS backup (<20ms response)
Customization Options
OEM/ODM support for interfaces, dimensions, discharge rates (1C/2C), and communication protocols (CAN/RS485)
Compliance & Certifications
Complies with UN38.3, IEC 62619, UL 1973, CE, and RoHS; halogen-free and recyclable materials
Product Specification
| Item No.: | SSE-21KWH |
| Size: | 500 × 733 × 418mm (L×W×H) |
| Battery type-Chemistry: | LiFePO4 |
| Terminal Type: | M6 |
| Terminal Torque: | 8.5 NM |
| Internal Resistance: | <30mΩ |
| Efficiency – round trip: | >99.5 % |
| Self Discharge per Month: | <3% |
| Max parallel connectors: | 16 Pcs |
| Payment Terms: | T/T or L/C, Western Union |
| Supply Ability: | 10,000 / Month |
| Place of Origin: | Dongguan, Guangdong, China |
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