Minuteman UPS Replacement Battery Modules 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 manufacturer specifications and ships ready for installation into your UPS system. Replacement Battery Replacement Modules come preassembled for easy installation. Includes 1-year warranty. Minuteman BM0037 Battery Unit is one of many UPS/Battery Backup Accessories available through Office Depot. Made by Minuteman.