... , office equipments, shops, wind power stations, solar power stations, and the areas with frequent AC power failure.Specifications Rated Power SC/NB300W/500W/800W ... /5000WDC Input Voltage 12, 24,36,48, 60,72VInverter Output Voltage 220V±10Inverter Output Frequence 50Hz±5Hz square waveCharge voltage 220V±20%Inverter efficiency ...