Electrical SpecificationsCapacity: 1500 VA / 720 WInput Voltage: 220/230/240 V ACInput Voltage Range: 140–300 V ACFrequency: 50/60 Hz (Automatic Sensing)Output Voltage in Battery Mode: ±10%Output Frequency in Battery Mode: 50 or 60 Hz ±1 HzOutput Waveform in Battery Mode: Modified Sine WaveTransfer Time: 2–6 msBatteryBattery Type and Quantity: Two 12 V 7 Ah BatteriesRecharge Time: 6–8 hours to 90% after full dischargeProtection and FeaturesOverload, over-discharge, and overcharge protectionUSB and RS-232 ports for managementDC start-up and auto-restart functionAutomatic Voltage Regulation (AVR) for low and high voltage correctionDimensions WeightDimensions: 355 x 123 x 190 mm