1, Inverter charger 2,With built-in AVR function 3,Input ... , test equipment, and etc.Description:EPSI Series UPS(inverter) provides pure sine wave power for commercial, household and ... Statusworking & loading & batteryInputVoltage140~275 VacFrequency45~65 HzOutputVoltage220Vac ±1% for inverter; 220Vac ±8% for regulatorFrequency50/60 Hz ± 0.5Hz, ... (kg)21.9027.508.409.5013.20 300W inverter charger