B-Box is designed with LiFePO4 chemistry battery which has been widely recognized as one of the safest battery technologies. The system is able to reach C rate at max 1C and 2C at the peak to support critical loads such as A/C and pumps, etc. All B-Box systems have a modular design featuring uninterruptible maintenance and easy installation.

The BYD B-Box BPLUS 2.5kWh battery module offers an extremely flexible and robust solution for energy storage applications. It can reach up to 1C continuous discharge rate and a peak discharge rate of 2C. Allowing it to be well suited for high load applications in both off-grid and backup scenarios.

The battery also uses a lithium iron phosphate chemistry that is considered as the safest and most stable compound used in lithium-ion batteries. In addition, the battery unit can be scaled up to 80kWh, making it suitable for both commercial and residential applications.

Off-Grid BYD 48V 2.56kwh Modules Sunrise Power Solutions

Some advantages of the BYD B-Box BPLUS 2.5kWh battery module are:

  • Proven reliability and performance, the unit has been deployed in Germany for over 2 years with a few thousand units installed
  • Backed by a global leader in battery and electric vehicle manufacturing
  • Modular design allows the unit to have a quick and easy installation process
  • High usable to nominal capacity ratio so that the customer would get more value for their purchases
  • Two different packing configuration available, black box with IP20 cabinet or white box with IP55 cabinet


  • Peak Output Power: 5120 W(3mins)
  • Maximum Output power: 2560 W
  • Nominal Voltage: 51.2 V
  • Peak Current: 100 A(3mins)
  • Usable Capacity: 2.45 kWh
  • Weight: 35 kg

Sunrise Power Energy Systems are Designed to Power Lives

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