Interface 1x Serial RS-232 ( DB-9) Port, SmartSlot Software APC PowerChute Smart-UPS Bundle Output Power Capacity 2200VA / 1980W Input Power Voltage 174 - 286 Vac Surge Energy Rating 480 Joules Surge Energy Filtering Full time multi-pole noise Response time meets UL 1449 Back Up Time Full Load 24.1 Minutes Back-Up Time Half Load 6.7 Minutes Weight 50.91 Kg Battery Type RBC11 Maintenance-free sealed Lead-Acid battery Dimensions ( 196 x 432 x 544 mm) WHD Form Factor Tower Warranty 2-year Limited Warranty by Authorized Distributor