... Certification 220V Pure Sine Wave Inverter, Off-grid inverter SPV5000 pure sine wave power inverter ,off-grid inverter,off grid inverter,110/220V InverterSPV sine ... (single phase)Transition time≤3SInput rated DC voltage12V, 24V, 36V, 48V, 72V, 110V, 220VEmergency holding timeDepend on battery capacity and load ...