The Back-UPS CS provides professional-grade power protection for office and home office systems. Battery powered & surge protected power outlets, built-in phone/fax/modem line (DSL compatible) protection, safe system shutdown software with sophisticated power management features and pro-active audio-visual status indicators ensure office systems and their valuable data are protected from dangerous power surges, spikes and blackouts. Serial or USB connectivity gives users more flexibility making installation quicker and easier. Easy access to a hot-swappable, user-replaceable battery also makes servicing the Back-UPS CS hassle-free. These features along with its classic styling make the Back-UPS CS a perfect choice for protecting your important office and home office systems.InputInternational Version230VInput Voltage Range180 - 266VAdjustable range: 160 - 286VInput Frequency50/60 Hz +/- 3 Hz (auto sensing)Input ConnectionIEC-320 C14OutputVA Rating650 VAWatts400 WattsOutput Voltage230VOutput Frequency47 - 63 HzOutlets6Outlet Type(1) IEC 320 C13 (Surge Protection)(3) IEC 320 C13 (Battery Backup)(2) IEC Jumpers (Surge Protection)BatteryBattery Recharge Time8 hour(s)Battery ReplaceableBX1100LI-MS, BX800U-LM, RBC17DetailsAlarmsAlarm when on battery: distinctive low battery alarm: overload continuous tone alarmInterface PortRS-232, USBSurge ProtectionData Line ProtectionAnalog phone line for phone/fax/modem/DSL (RJ-45 connector)Surge Energy Rating310 JoulesDimensions & WeightDimensions6.50" x 3.58" x 11.18" (H x W x D)Weight13.29 lbs.TitleAPC BK650EI 230V 400W 6 Outlets Back-UPSConditionNew, no original boxContentAPC BK650EI Back-UPSManufacturerAPC ModelBK650EI SKUUPSD181 #580http://www.compeve.com/Products/UPS/APC/BK650EI/BK650EI_compeve__1.jpghttp://www.compeve.com/Products/UPS/APC/BK650EI/BK650EI_compeve__2.jpg