APC BK500CI Back-UPS 500 230V UPS - Without Auto Shutdown Software - Wootware
APC Back-UPS CS 500VA, 120V, black, 6 NEMA outlets (3 surge) - BK500BLK | APC USA
APC Back-UPS 500 VA, AVR, IEC-Ausgänge, Batterie 12V, 6.4Ah - BX500CI | APC Deutschland
RBC2 Battery Replacement for APC BackUPS CS500 - YouTube
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