Interface 1x Serial RS-232 ( DB-9) Port, 1x USB 2.0 Port Software APC PowerChute Smart-UPS Bundle Output Power Capacity 3000VA / 2700W Input Power Voltage 160 - 285 Vac Surge Energy Rating 320 Joules Surge Energy Full time multi-pole noise Filtering 0.3% IEEE surge let-through : zero clamping Response time meets UL 1449 Back-Up Time Full Load 5.5 minutes ( 2700 Watts) Back-Up Time Half Load 13.6 minutes ( 1350 Watts) Weight 55.91 Kg Battery Type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : Leakproof Dimensions ( 196 x 432 x 546 mm) WHD Form Factor Tower Warranty 2-year Limited Warranty by Authorized Distributor