The BYD Battery-Box HVB 11.9 is a lithium-ion energy storage system with a capacity of 11.88 kWh and a nominal voltage of 204.8 V. It consists of one BMU and four 2.92 kWh battery modules, providing a scalable and efficient energy storage solution. With 100% depth of discharge and proven reliability, it is the perfect choice for residential, business, and commercial installations requiring safe and effective energy management.