B-Box Pro 13.8 User Manual, introduces the product features, usage instructions, installation precautions and other information of B-Box Pro 13.8
The BYD B-Box Pro 13.8 is a lithium iron phosphate battery box designed for household energy storage applications, including on/off-grid systems. It features a nominal capacity of 13.8 kWh and a nominal voltage of 51.2V, supporting parallel connections to expand capacity up to 409 kWh. The system is compatible with various inverter brands, such as SMA, GoodWe, Solax, and Victron.
The document covers essential safety precautions, including warnings against crushing the battery, exposing it to temperatures above 50°C, or using it for life-sustaining medical devices. It also details technical specifications, technical noun explanations, cleaning and maintenance procedures, and provides solutions for normal alarm displays on the BMU, BMS, and connected inverters.
| Battery Type | Lithium Iron phosphate battery |
|---|---|
| Nominal Battery Energy | 13.8 |
| Output power (KW) Max | 12.8 |
| Nominal voltage (V) | 51.2 |
| Ambient Temperature Range | -10~+50 |
| Communication | RS485/CAN |
| Cabinet Net Dimension (W*D*H mm) | 650* 550* 800 |
| Net Weight (Kg) | 175 |
| IP level | IP20 |
The B-Box can be used in household energy storage applications, including on/off-grid systems.
The battery should be recharged at least every 6 months when in storage.
Once discharged, recharge the battery within 7 days; if there is no charging within 7 days, power off the battery and disconnect it from the system.
The maximum output power is 12.8 KW.