Dimension (DxWxH) : 445 x 175 x 230 mm Weight : 30 Kg Capacity : 3200 VA / 1600 W AC Voltage : 160 ~ 250 V AC Current : 7.7 A AC Frequency : 50 3 Hz AC Protection : 10 A DC INT Battery : 5 x 12 V 7 Ah DC Protection Fuse : 50 A INV Waveform : Synthesized Sinewave (Step Wave) INV Voltage : 220 5% V INV Frequency : 50 Hz INV Efficiency : > 80% CHG Type : Constant Voltage CHG Voltage : 67.5 V CHG Current : 1.5 A Transfer Time : < 4 ms Back up Time : 10 min Indicator : LED & BUZZER Operation Temp : 0 ~ 40 C