CyberPower PR1000ERT2U Line-Interactive UPS, with seamless Pure Sine Wave, provides the best power protection available for office system devices including PCs, workstations, networking devices, and peripherals. It’s typically integrated in the back office, server room, and data center environment. The rackmount / tower convertible design gives it enhanced flexibility for installation and operation in almost any environment. Multiple UPS systems can be connected to a single main Emergency Power Off (EPO) switch. In the event of an emergency, the UPS systems can be shut down immediately with the EPO button. As for battery maintenance, the UPS allows battery hot-swapping, which enables users to perform normal battery maintenance without significant interruption.