APC Back-UPS 500 - 6ft, AC 120V, 50/60Hz, 300 Watts, 500VA, 480 Joules, Hot-swappable, LED Status Display, 6x NEMA 5-15R, USB, Black - BK500BLK at TigerDirect.com
APC Back UPS 500 Uninterruptible Power Supply. 3.5x13x6
Replace The Batteries In Your APC Back-UPS Unit Yourself For Less! - HubPages
APC BX500 Back-UPS BX Battery Backup & Surge Protector 220 volts NOT FOR USA