Capacity VA: 650 Power Factor: Up to 0.7 Input Nominal Voltage: 220 / 230 / 240VAC Voltage Range: 140-300VAC Nominal Voltage: 50 or 60Hz (Auto Sensing) Output Voltage Regulation (Battery Mode): 10% Frequency: 50Hz or 60Hz 1Hz Waveform: Simulated Sinewave Transfer Time: 2 - 8ms Number of Battery: 1 x 12V8.2AH Recharge Time (Typical): 2 4 hours recover to 90% capacity Full Protection: Short Circuit, Overload, Discharge and Overcharge Protection