UPSBatteryCenter SMT1000 Compatible Replacement Battery Pack for APC Smart-UPS 1000 LCD 120V UPSBatteryCenter APC SmartUPS 1000VA LCD 120V Compatible Replacement Battery Pack Compatible UPS model: SMT1000 (Check the model #) 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