Tripp Lite's premium UPS replacement battery cartridges breathe new life into UPS systems suffering from expired or weak internal batteries. Each replacement battery cartridge is carefully screened and certified to meet or exceed original specifications and ships ready for installation. Reusable packaging holds expired batteries for recycling center delivery. See Tripp Lite's UPS replacement battery web page to confirm compatibility and quantity required.N/AN/ACOMPATIBLE WITH TRIPP LITE MODELS SU750RTXLCD2U SU1000RTXLCD2U SMART750RMXL2U (LCD version only) SMART1000RM2U (LCD version only) SMX1000RT2U (LCD version only) AND OTHER MODELS RECOMMENDING THIS REPLACEMENT BATTERY CARTRIDGE.N/AN/ARestores UPS runtime performance to original specificationsN/AComes pre-assembled and ready for installationN/AReusable packaging holds expired batteries for recycling center delivery