Battery Cartridge for Eaton 9PXM Modular UPS Systems This UPS battery cartridge is compatible with Eaton's 9PXM UPS systems and extended battery modules (EBM). 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. You can also add 9PXMBAT battery packs to your current application to increase runtime. Two 9PXMBAT battery cartridges are required for each slot. Comes Pre-Wired for Quick, Easy Installation The valve regulated lead acid (VRLA) 9PXMBAT 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 9PXMBAT has been carefully screened and certified to restore your UPS system's runtime performance to its original specifications or add runtime. It is leakproof, requires no maintenance and comes pre-wired for quick and easy installation in your 9PXM UPS system or EBM.