The APC Smart UPS C SMC1500 Line interactive UPS Smart UPS C 1500 VA with LCD is a 900 W out, 120 V in UPS uninterruptible power supply with an USB interface port, multifunction LCD status and control console and 8x battery powered outlets. It uses NEMA 5 15R connections for output and a NEMA 5 15P input connection. Its maintenance free sealed lead acid battery has a typical recharge time of 3 hours and you can purchase backup batteries for the unit separately.