Provide backup power to modems, routers and other devices when electricity fails with this UPS compact tower. Dataline surge protection ports shield electronics from power spikes, and the energy management cuts power to peripherals if the master device shuts down. The LCD screen on this APC® Back-UPS Pro tower displays the estimated run time for connected devices. Protection Type: DSL; Fax; Modem; Phone; Power; System VA: 1,000; Battery Recharge Time: 12 h; Connector/Port/Interface: USB.