APC Back-UPS Pro 500 - UPS - 300 Watt - 500 VA - Walmart.com
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, ES500, ES 500 VA USB Support UPS Battery
APC Back-UPS CS 500VA 6-Outlet UPS Battery Backup and Surge Protector - APCBK500 at Batteries Plus
APC Back UPS 500 Uninterruptible Power Supply. 3.5x13x6