Ouput Power Capacity : 1200VA / Up to 840 Watt Output Power Voltage : 220V AC (rating), 220VAC 17~22% (Battery Mode) Freq: 50HZ 1Hz (Battery Mode) Input Power Voltage : 140 ~ 285V, Frequency Range 40Hz - 70Hz, Phase : Single + GND Transfer Time : 2ms Typical Back-Up Time : 8~40 Minutes (depending on load), 90% Capacity after 8 hrs Charging Time Battery Type : Maintenance Free-Sealed Lead-Acid Battery with Suspended Electrolyte (Leakproof) Data Protection : RJ-11 Mode/Fax/DSL Protection (Two Wire Single ) Power Factor : Up to 0.7 Indicator LED : Normal Mode, Back-Up Mode, Charging Mode Input Interface : 1x IEC 320 C13 Output Interface : 3x IEC 320 C13 (Battery), 1x Standard AC Outlet (Bypass Outlets) Software Support : Available Software Interface :/Serial Port Protection Avaibility : Short Circuit Protection, Surge Protection, Overload & Temperature Protection, AVR Other Features : Intellent Battery Management, Short Circuit Software protection (U) Dimension (WHD) : 44.5(W) x 19.5(H) x 30(D) mm