Battery kit for APC Smart UPS 2200/3000/5000 replaces APC RBC12
Amazon.com: APC UPS Battery Replacement, RBC2, for APC Back-UPS Models BE500R, BK300C, BK350, BK500, BK500BLK, BK500M, BK500MC, BK500MUS, and SC420, SU420NET black : Electronics
Amazon.com: BE725BB - New Battery for APC Back-UPS ES 725VA BE725BB - Compatible Replacement by UPSBatteryCenter : Electronics
Amazon.com: APC Back-UPS 600VA BE600M1 Compatible Replacement Battery by UPSBatteryCenter : Health & Household
Replacing Battery on Back-UPS XS & RS LCD Series | Schneider Electric Support - YouTube
Amazon.com: New Battery Pack for APC Back-UPS XS 1300 LCD BX1300LCD - Compatible Replacement by UPSBatteryCenter (Works ONLY with UPS Model # BX1300LCD) : Health & Household