Power Capacity 6kVA, 10kVA Output Power Factor 0.8 (0.9,1.0 optional) Input Frequency 50/60Hz�±5 (�±10% optionalï¼? Input Voltage 120~276Vac Rated Voltage 220/230/240Vac Battery Voltage 192Vdc/240Vdc Charging current (Max.) 1/6A (Long backup time) Parallel function Optional Noise