Amazon.com: APC Back-UPS Pro 1100, BP1100 12V 12Ah UPS Battery - This is an AJC Brand® Replacement : Health & Household
Replacement battery for APC-Back-UPS RBC5 - finished battery module for replacement | Replacements for UPS-Systems | UPS | Batteries by application | Akkusys.Shop International
Battery kit for APC Back UPS BX 1100, replaces APCRBC113