8K x 8 AutoStore nvSRAM APC BACK-UPS ES 8 Outlet 550VA 120v Uninterruptible Power Supply (UPS); series:BK; Output Voltage:120v; Output Power Max:210W; Run Time - Half Load:18min; Run Time - Full Load:5min; Applications:Personal Computers; Electrical Outlet Style:NEMA 5-15R RoHS Compliant: NA Uninterruptible Power Supply (UPS); series:BK; Output Voltage:120v; Output Power Max:330W; Run Time - Half Load:14min; Run Time - Full Load:2min; Applications:Personal Computers; Electrical Outlet Style:NEMA 5-15R RoHS Compliant: NA