... Certification 220V Pure Sine Wave Inverter, Off-grid inverter SPV5000 pure sine wave power inverter ,off-grid inverter,off grid inverter,110/220V ... , vehicle, ship, solar energy, wind mill and so on. The AC power supply outputted is also supplied for following ... voltage12V, 24V, 36V, 48V, 72V, 110V, 220VEmergency holding timeDepend on battery capacity and load power. The calculation formula as follows ...