Voltage 220/230 VAC, Voltage Range 140 – 300 VAC, Frequency Range 50Hz, Output AC Voltage Regulation (Batt. Mode) ± 10 Frequency Range (Batt. Mode) 50 Hz ± 1 Hz, Transfer Time Typical 4-8 ms, Waveform (Batt. Mode) Simulated Sine wav Battery Connection External, No of Battery 12V, 1No, Charging Current 20 A (Settable) Battery Capacity Used upto 200AHTypical Recharge Time 6-8 hours upto 90% capacity