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 into your UPS system. Reusable packaging holds expired batteries for recycling center delivery. Tripp Lite RBC48-SUTWR UPS Replacement Battery Cartridge is one of many UPS/Battery Backup Accessories available through Office Depot. Made by Tripp Lite.