The BYD B-Box is a lithium iron phosphate (LiFePO4) battery unit with battery management system (BMS) for usage with an external inverter. Thanks to its modular design B-Box grows with its requirements.
 
B-Box 2.5 (2.56 kW / 2.56 kWh)
B-Box 5.0 (5.12 kW / 5.12 kWh)
B-Box 7.5 (7.68 kW / 7.68 kWh)
B-Box 10.0 (10.24 kW / 10.24 kWh)
 
All systems can be extended with the battery modules B-Plus 2.5 at any time. This way in parallel connection up to 10.24 kWh usable capacity per cabinet and 81.92 kWh in 8 cabinets are possible.
 
Technical Parameters:
Battery type:
Lithium iron phosphate (LiFePO4)
Battery configuration:
4 x B-Plus 2.5 (50 Ah; 51.2 V)
Usable capacity:
10.24 kWh
Max output power:
10.24 kWh
Peak output power, 30 sec:
20.48 kW
Nominal voltage:
51.2 VDC
Voltage range
43.2 - 56.4 V
Ambient temperature:
-10 °C to +50 °C
Interfaces:
RS485/CAN
Round trip energy efficiency:
≥ 95.3 %
Warranty
10 years
Certifications and standards:
TÜV / CE / UN38.3 / Sicherheitsleitfaden Li-Ionen-Hausspeicher (Safety Guideline)
IP protection class:
IP 20
Dimensions (W/D/H):
600 x 510 x 883 mm
Weight:
180 kg
Compatible inverters:
SMA / Goodwe / Solax / Victron, more brands to be announced
Scalable:
Extend anytime / up to 8 systems parallel / 81.92 kWh