MaxGreen MG-LI-850VA Offline UPS

MaxGreen MGBK850LI UPS offline capacity 850 VA / 480 W Input voltage 220 VAC Input voltage range 140 290 VAC Frequency range 50 Hz Output voltage 220 VAC AC voltage regulation ? 10% (Bat mode) Frequency range 50 Hz ? 1 Hz (Bat mode) Transmission time Typical simulated sine wave in 26 ms waveform (bat mode).Battery type and number 12V / 9Ah * 1. Net weight (kg) 4.2 4. Dimensions, D * W * H (mm) 297X101X142. Typical charging time 46 hours recovery at 90 ? capacity Total protection short circuit, overload, battery discharge and overcharge, Overvoltage protection Humidity 090% Relative humidity 040 ? (non-condensing) Noise level Below 40 dB Optional USB / RS232 connection Compatible with Windows 2000/2003 / XP / Vista / 2008, Windows 7/8 Linux Unix and MAC