Out-of-the-box ready battery set (RBC) No. 12 from APC. For APC Smart-UPS 2200 VA, compatible with SU2200RMI3U and SU2200R3IBX120, for APC Smart-UPS 3000 VA, compatible with U3000RMI3U, SU3000R3IBX120, SU3000R3IBX135 and SU3000R3IBX180, and also for APC Smart-UPS 5000 VA, compatible with SU5000I, SU5000RMI5U, SU5000RMXLI5U, SU5000R5IBX120 and SU5000R5IBX135 (2 x RBC12) Please note: Not suitable for SMT or SUA models! Battery type: VRLA (lead acid) Battery service life: 3 - 5 years Storage advice: Avoid extended storage of UPS batteries to prevent deep discharge!