APC Back UPS ES 8 Outlet 650VA BE650R Compatible Replacement Battery (RBC17) by UPSBatteryCenter UPSBatteryCenter Replacement battery for APC BackUPS ES 650VA - 100% Compatible Compatible UPS model: BE650R (Check the model # on the back of the UPS) Arrives fully charged and ready to go - (1) Year Replacement Warranty! Exact fit, Easy Installation - Plug & Play Manufactured & sold exclusively by UPSBatteryCenter