Nominal Input voltage(V) 230VAC Nominal input frequency(Hz)50Hz / 60Hz Input frequency range(Hz)40-70 HzInput power factor(kW/kVA) 0.99Nominal output voltage (V)200/208/220/230/240 VACInverter Overload Capability>200% minimum 250 mS, 150 to 200% for 2 seconds; 125 to 150% for 50 seconds; 105 to 125% for 60 secondsOnline mode efficiency Up to 94%Battery rated voltage72VdcBattery Qty x V x Rating6 x 12 V x 9.0 AhBattery Voltage Range60 Vdc to 84.6 VdcGeneral Operating Temperature, °CFull power up to 40 ºC (up to 50 ºC with derating)General Operating Elevation Up to 3,000 m at 25°C without derating General Storage Temperature, °C- 15 to + 40Dimensions (W x D x H) in mm540×430×85