The BYD HVS/HVM range is built up using this battery base and control unit (BMU), and then adding modules to the system.

One base/BMU is required for HVS systems between 5.1kWh and 12.8kWh.

One base/BMU is required for HVM systems between 8.3kWh and 22.1kWh.

For multiple stack in parallel, multiple base/BMU units are required.