APC Smart-UPS SMT 1500VA Rack-mountable UPS - Rackmount 1U - AVR - 4 Hour Recharge - 4.75 Minute Stand-by - 120 V Input - 120 V AC Output - Sine Wave - Serial Port - USB - LCD Display - 4 x NEMA 5-15R - SmartConnect Port+SmartSlot (SMT1500RM1UC)