APC Smart-UPS X 3000 Rack Mount LCD(SMX3000RMHV2UNC) Compatible Replacement Battery Pack by UPSBatteryCenter UPSBatteryCenter Replacement battery pack for APC Smart UPS X 3000VA Rack Mount - 100% Compatible Will work with: SMX3000RMHV2UNC (Check the model # on the back of the UPS) Arrives fully charged and ready to go - (1) Year Replacement Warranty! Hot Swappable - No downtime required - Easy Installation - Plug & Play Manufactured & sold exclusively by UPSBatteryCenter