Capacity : 1300 VA / 650 W AC Voltage : 140 – 300 V AC Current : 2.9 A AC Frequency : 50 3 Hz AC Protection Fuse : 5 A DC INT Battery : 2 x 12 V, 7 Ah INV Waveform : SYNTHESIZED SINEWAVE INV Voltage : 220 5% V INV Frequency : 50 3% Hz INV Efficiency : >80 % CHG Type : CONSTANT VOLTAGE CHG Voltage : 27.4 V CHG Current : 1.2 A Transfer Time : 4 ms=”” br=”” Back Up Time : 10 min Indicator : LED & BUZZER Opera Temp : 0 – 40 C Dimension(DxWxH) : 338 x 149 x 162 mm