12.5 kVA Inverter · 22 kWh home backup system: Power your home with the Battery EVO WALRUS G3 22kWh Energy Storage System, combining 22kWh of battery storage with a built-in 12.5kVA inverter for reliable whole-home backup and intelligent energy management. Designed for both grid-tied and off-grid applications, the Battery Evo WALRUS G3 integrates seamlessly with solar panels, utility power, and generators to keep essential loads running during outages. Featuring a 7-inch color touchscreen, Wi-Fi monitoring, programmable charge/discharge scheduling, and a portable wheeled design, the Battery Evo WALRUS G3 delivers dependable, maintenance-free performance while helping reduce energy costs and increase energy independence. Download spec sheet System Voltage AC110V/220V Nominal Voltage 66 V Chemistry NMC Energy Capacity 22 kWh Integrated Inverter 12.5 kVA Max Continuous Power 12.5 kVA Max Charge Current 250 A Peak Discharge Current 300 A Safety Features 300A Fuse & Advanced BMS Weight 394 lb (178.7 kg) Dimensions (D × W × H) 15.4 × 24.41 × 36.06 in