CAPACITY :Rating 3000VAINPUT :Voltage 220VAC / 230VAC / 240VACVoltage Range 140 – 300VACOUTPUT :Voltage Regulation (Batt. Mode) +/-10%Frequency 50Hz or 60HzFrequency Regulation(Batt. Mode) +/-1HzOutput Waveform Modified Sine WaveBATTERY :Battery Type 12V/9.0AH x 4Recharge Time 6-8 hrs to 90% after completedischargeTRANSFER TIME :Typical 10ms