... Wave Inverter, Off-grid inverter SPV5000 2,5000W Inverter 3,DC/AC Inverter 4,CE Certification 220V Pure Sine Wave Inverter, Off-grid inverter SPV5000 pure sine wave power inverter ,off-grid inverter,off grid inverter,110/220V ... ----------------------------- ×0.70η Discharge current (A)Output frequency50Hz, 60HzUnder-voltage protectionSingle 12V battery is 9.5~10.5V (Other voltage is multiplied ...