The B3-5.0-LV 5.12kWh 51.2V LiFePO4 Lithium Battery is a high-performance low-voltage energy storage solution designed for residential and commercial solar power systems. Built with advanced LiFePO4 (Lithium Iron Phosphate) technology, this battery provides exceptional safety, long cycle life, and reliable performance for solar energy storage.

With a total capacity of 5.12kWh and usable capacity of 4.6kWh, the B3-5.0-LV battery is ideal for homes and businesses looking to store solar energy efficiently and reduce dependence on grid electricity. The battery supports parallel connection up to 15 units, allowing users to easily expand their energy storage capacity as power needs grow.

Designed for compatibility with modern solar inverters, the battery supports CAN and RS485 communication, ensuring seamless integration with hybrid and off-grid solar systems. With over 6000 cycles at 80% depth of discharge, this battery offers long-term durability and excellent return on investment.

Its natural convection cooling system, strong safety standards, and stable voltage performance make the B3-5.0-LV battery a reliable choice for solar energy storage systems across homes, offices, and commercial buildings.

Electrical Parameters

• Total Energy Capacity (kWh): 5.12

• Usable Capacity (kWh): 4.6

• Rated Voltage (V): 51.2

• Voltage Range (V): 45.6 – 56.2

• Depth of Discharge (DOD): ≤ 90%

• Max. Charge Current (A): 100

• Max. Discharge Current (A): 100

• Parallel Support: Yes (≤15 pcs)

Physical Parameters

• Battery Type: LiFePO₄

• Communication: CAN / RS485

• Operating Temperature Range:

  • Charging: 0 ~ 50°C

  • Discharging: -20 ~ 60°C

• Cycle Life: ≥6000 cycles (25°C ±2°C, 0.5C/0.5C, 80% DOD, 70% EOL)

• Cooling Method: Natural Convection

• Ambient Humidity: 0 ~ 95% non-condensing

• Altitude: ≤2000 m

• Ingress Protection: IP21

• Dimensions (H × W × D) (mm): 500 × 442 × 142

• Weight (kg): 42

• Warranty: 5 Years / 10 Years (Optional)

• Applicable Standard: IEC 62619, UN38.3