Product Description PROLiNK PRO903L Online UPS Volt-Amp: 3000VA Watt: 2400 W Phase: Single Phase In / Single Phase Out Isolation Transformer: Optional Isolation Transformer Input Voltage Range: 110VAC-300VAC Input Frequency Range: 40 Hz or 70 Hz Input Power Factor Correction: ? 0.99 Output Voltage: 208/220/230/240VAC AC Voltage Regulation (Battery Mode): ± 3% Output Frequency Range: 47-53Hz Output Current Crest Ratio: 3:1 Harmonic Distortion: Linear Load: ? 3% THD Non-linear Load: ? 6% THD Transfer Time: 0ms Waveform (Battery Mode): Pure Sinewave Output Power Factor: 0.8 AC Mode Efficiency: 87% Battery Mode Efficiency: 85% Eco Mode Efficiency: > 80% Battery Type: Sealed Maintenance free Battery Numbers of Battery: 6 Typical Recharge Time: 9 Hours Recover to 90% Capacity Charging Current (max.): 8A Charging Voltage: 82.1VDC ±1% Indicators: LCD Display Alarm: Battery Mode, Low Battery, Overload and Fault Dimension: 421x190x318 Net Weight: 13.5kg Environment: Humidity: 20-90% RH @ 0-40°C (Non-condensing), Noise Level: Less than 45dB @ 1 Meter, Regulations: EN 62040-2:2006, EN 61000-3-3:2008 Management: Smart RS-232 / USB/SNM