BYD B-Box Premium HVS 5.1 kWh Lithium Battery

Product Description

The BYD B-Box Premium HVS 5.1 kWh Lithium Battery is the entry-level configuration of the HVS family: 2 modules of 2.56 kWh on Base and BCU that provide 5.1 kWh usable at a nominal 204 V. With cobalt-free LFP chemistry, ≈96 % round-trip efficiency, and IP55 rating, it ensures safety, reliability, and future expansion thanks to its modular plug-in design and CAN/RS485 integration with HV inverters.

Main Features

• Usable energy: 5.1 kWh (2× HVS 2.56).
• Nominal voltage: 204 V (160–240 V).
• Current: 25 A continuous; 50 A peak 5 s.
• Chemistry: LiFePO₄ (LFP), cobalt-free.
• Round-trip efficiency: ≈96 %.
• Protection: IP55 (indoor/protected outdoor).

Advantages or Benefits

• Compact format: ideal for limited spaces with the possibility of future expansion.
• LFP safety: thermal stability and intelligent management via BCU.
• Native integration: CAN/RS485 communication with BYD profile.
• Quick installation: plug-in connection, no internal wiring between modules.

Purpose or Applications

Residential self-consumption with moderate demands, essential back-up, and compact off-grid systems requiring safe and efficient high voltage with expansion option.

Technical Specifications

Compatibilities

Compatible with: BCU + BYD HVS/HVM Base (1× per tower), HVS 2.56 kWh Module for expansion, and HV inverters with BYD profile via CAN/RS485.

BYD B-Box Premium HVS 5.1 kWh Lithium Battery is a professional solution for demanding renewable energy projects. It increases autonomy, optimizes space, and improves the efficiency of your installation.