APC Back-UPS Pro 500VA, Lithium Ion UPS - BG500 | APC USA
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
Amazon.com: APC Back-UPS Pro 500 12V 8Ah UPS Battery - This is an AJC Brand Replacement : Electronics