Tripp Lite RBC94-2U Replacement Battery Cartridge for Select Tripp Lite & Other Major UPS Brand 2U UPS Replacement Battery Cartridge for select Tripp Lite SmartPro UPS Compatible with Tripp Lite Models: SMART1500RMXL2U, SMART2200RMXL2U, SMART3000RM2U, SMX3000XLRT2U (versions with pre-assembled 4-battery cartridges only; see compatiblity listing for non-assembled battery versions), SU1500RTXL2Ua, SU2200RTXL2Ua, SUINT2200RTXL2UA and other UPS systems referencing this RBC. Pre-assembled and wired battery kit offers simple installation Rugged leakproof construction Maintenance-free This item is not for sale in Catalina Island