Battery-Box Pro – B-Box Pro series

Battery-Box Pro 13.8

The BYD Battery-Box 13.8 is a lithium iron phosphate (LiFePO) battery unit with battery management system (BMS) for use with an external inverter or charge controller. Thanks to its battery management unit (BMU) it is easy to expand the system with parallel modules. Start with the Battery-Box 13.8 (12.8 kW / 13.8 kWh) and expand at any time up to 409.6 kW / 441 kWh by paralleling up to 32 devices.

  • Advantages at a glance
  • From 13.8 to 441 kWh
  • Flexible up to 32 x 13.8 kWh
  • Expandable at any time
  • Can be used for isolated systems
  • Single-phase and three-phase systemsLithium iron phosphate battery: maximum safety, durability and performance.


The B-Box Pro 2.5-10.0 Battery consists of B-Plus L 2.5 battery modules with a useful capacity of 2.56 kWh. Up to 4 B-Plus L 2.5 modules fit in one cabinet and up to 8 cabinets can be connected in parallel. The capacity therefore varies from 2.56 to 82 kWh individually in increments of 2.56 kWh.

B-PLUS 2.5

  • The BYD B-Plus 2.5 module (U3A1-50P-A) certified for CE and TUV meets the highest safety standards.
  • Proven experience in telecommunications and energy storage applications worldwide
  • Ecological and powerful LiFePO battery technology