made in china Inverter From China, 500W , Output 110/220V easy to install factory price Brand NameKingscoProduct NameInverterModel NumberSKPI-500Power500WInput Voltage10-15/20- ... cut off the internal circuit, so can protect battery from being damaged.4. Self protection design, when the voltage ... , resistance to oxidation and beautiful shape. made in china Inverter From China, 500W , Output 110/220V