Engineered for commercial applications, including demand response participation programs, VARTA Flex System – 24 kWh Li-ion battery cabinet, power electronics, and control unit – offers excess of 12,000 cycles at 100% DOD (Depth of Discharge). System is fully compatible with 480 V, 3-phase AC inverters; comes in ventilated enclosure, and is available with battery racks providing 24–1,000 kWh for reliable emergency standby non-critical power.