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BYD B-Box Pro 13.8kwh Lithium Battery – Rack Mounted

R102,928.00 excl. VAT

The BYD B-Box is a lithium iron phosphate (LiFePO4) battery unit with battery management system (BMS) for usage with an external inverter or charger.

Thanks to its modular design, the B-Box grows with its requirements. Start with B-Box 13.8 and extend any time up to 441kWh (B-Box13.8 X 32) using parallel interconnection

SKU: BAT-BYD-BBOX-13.8 Categories: , , ,

BYD B-Box Pro 13.8kwh Lithium Battery – Rack Mounted



  • The BYD B-Box Energy Storage System utilizes the BYD Iron Phosphate battery in a modular design that allows the flexibility to use up to four battery modules in a single rack.
  • The B-Box is able to meet the requirements of different storage systems by increasing the capacity through parallel connection of battery rack.


  • Flexible capacity configuration
  • Support system parallel connection
  • Support RS485 or CAN communication · Modular design
  • Easy to Install
  • Emergency stop function


Product Specs:

Model : B-Box Pro 13.8kwh
Battery type : LiFePO4
Battery module : B-Plus 6.9(6.9 kWh) 2 module
Usable Energy [1] [kWh] : 13.8
Max Output Power [kW] : 12.8
Peak Output Power [kW] : 13.3, 60s
Round-Trip Efficiency ≥95.3%
Nominal Voltage [V] : 51.2
Operating Voltage Range [V] : 43.2~56.4
Communication : CAN / RS485
Dimension [W×H×D,mm] : 650 x 800 x 550
Net Weight [kg] : 175
Enclosure Protection Rating : IP20
Warranty : 10 years
Ambient Temperature Range [2] [℃] : -10 ~ +50
Certification & Safety Standard : TUV / CE / RCM / UN38.3
Scalability Max. : Max 32 Systems in parallel (441kw)
Compatible Inverters : SMA / GOODWE / SOLAX / Victron, more brands to be announced.

Watch assembly video for BYD B-BOX 13.8kwh Lithium Battery

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