SMX1500RM2U - UPSBatteryCenter Compatible Replacement Battery Pack for APC Smart-UPS X 1500VA New 100% compatible replacement battery pack for APC Smart UPS X 1500VA Compatible UPS model: SMX1500RM2U - Model # located on the bottom of the UPS Arrives fully charged and ready to go - (1) Year Replacement Warranty! Easy Installation - Plug & Play - Hot Swappable - No downtime required Manufactured & sold exclusively by UPSBatteryCenter