UPS Replacement Battery Cartridge for Select Eaton 5P UPS System This UPS backup battery replacement is compatible with Eaton's 5P750RC UPS system. Eaton UPS batteries have an expected lifespan of three to five years, so you should take proactive steps to avoid a dead battery and ensure continuous uptime. Comes Pre-Wired for Quick, Easy Installation The sealed lead acid (SLA) 744-A4058 internal battery cartridge is hot-swappable, allowing you to install it without powering down any connected equipment. Built to function in a wide range of operating temperatures, the 744-A4058 has been carefully screened and certified to restore your UPS system's runtime performance to its original specifications. It is leakproof, requires no maintenance and comes pre-wired for quick and easy installation in your 5P UPS system.