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
Amstron Replacement Backup Battery for APC RBC12
SurgeX 1000VA UPS-1000-OL Compatible Replacement Battery Set - New, Fresh Stock - 1 Year Warranty