APC Smart-UPS 1500 Rack Mount (SUA1500RM2U) Compatible Replacement Battery Pack by UPSBatteryCenter UPSBatteryCenter Replacement battery pack for APC Smart UPS 1500VA Rack Mount - 100% Compatible Compatible with: SUA1500RM2U (Make sure this is the exact model #) In-Stock and Ready for Immediate Shipment - 1 Year Warranty included! Hot Swappable, No Downtime Required - Arrives assembled and ready for use Manufactured & sold exclusively by UPSBatteryCenter