Capacity: 35500VAInput voltage: 230VacOutput voltage: 230VacOutput Waveform: 60HzBattery Rating: 1*12V9AhBackup time: 3-20 minutesShort transfer timeIntelligent battery managementAuto shutdown when Battery lowInverter CompatibleExcellent microprocessor control guarantees high reliabilityCold start functionOff-mode chargingBoost and buck AVR for voltage stabilization.Color: Black