Individual 3 kWh battery modules allow you to increase your battery size from 9 – 18 kWh in a single cabinet, offering even more opportunity for savings and protection from outages. Namkoo NKB Series 215kwh commercial & industrial energy storage system adopts the all in one design concept. The cabinet is integrated with battery management system (BMS),energy management system (EMS),modular power conversion system (PCS),and fire protection system. The system's capacity is up to. SOFAR Energy Storage Cabinet adopts a modular design and supports flexible expansion of AC and DC capacity; the maximum parallel power of 6 cabinets on the AC side covers 215kW-1290kW; the capacity of 3 battery cabinets can be added on the DC side, and the capacity expansion covers 2-8 hours. Electrical storage capacity, measured in kilowatt-hours (kWh), indicates the total energy that can be stored. For example, a battery rated at 10 kWh can theoretically provide 10 kilowatts of power for one hour or 1 kilowatt for 10 hours. For a partial backup, the.