FSP UPS iFP 1500VA 900watt Model: iFP 1.5K Input Capacity: 1500 VA / 900 W Input Voltage Range: 110/120 VAC or 220/230/240 VAC Input Frequency Range: 60/50 Hz (auto sensing) Output AC Voltage Regulation: ±10% Output Frequency: 60 Hz or 50 Hz ±1 Hz Output Waveform(Batt. Mode): Simulated Sinewave Transfer Time: Typical 2-6 ms Battery Type & Number: 12 V/9 Ah, 2 Battery Typical Recharge Time: 4-6 hours recover to 90% capacity Weight: 10.4 kg Noise: Less than 40dB Dimensions(L x W x H): 320 x 130 x 182 mm Humidity: 0-90 % RH @ 0- 40°C