Technical InfoTechnical SpecificationTechnology Line-Interactive Nominal power 1300VA/780Watt Efficiency 95%< Transfer time 4~8msec Internal battery 2 Charger Have InputMax current 8A Frequency 50±5Hz/50±3Hz Phase Single phase Voltage(VAC) 170~260VAC Nominal voltage 230VAC OutputVoltage(AC) 198~245VAC Voltage(Battery) 240Vrms±5% Current 5.9A Frequency In AC mode: synch with input In battery mode: 50±0.01Hz Phase Single phase Nominal power factor 0.6 Overload capacity 110%~130% of nominal power for 1 minute BatteryType Sealed lead acid batteries with free maintenance Voltage 24VDC Recharge time 10 hours for 90% discharge External battery Has not Internal battery 2 Batteries 12V(9Ah) EnvironmentTemperature Humidity 0~80% (Non-condensing) Altitude 1000 meters max. elevation (Based on IEC 62040) Dimension[W*D*H] (mm)Shipping Dimension 155*395*420 Net Dimension 90*335*360 Weight (Kg)Net weight (Kg) 14.7 Shipping weight (Kg) 16