Backup Battery Module Gives Your Compatible Eaton UPS System Extended RuntimeThe 9PXEBM240RTG2 offers extended battery runtime when used in conjunction with Eaton's 9PX8KG2, 9PX8KTF5G2, 9PX11KG2, 9PX11KTF11G2, 9PX11KTF11MG2, and 9PX11KTF5G2 9PX UPS systems. It can also be daisy-chained for a maximum of 12 auto-detected battery packs to deliver even longer extended-run operation. Heavy-gauge cabling with high-current DC connectors is included for safe, simple installation. Supports 3U Rack or Tower InstallationThis backup battery pack's multi-use form factor supports mounting in 3U of space in an EIA-standard 19-inch rack using the included 4-post rail kit. You can also adapt it for tower installation using the included support stands. For installation in 2-post racks, one RK2PC mounting kit (sold separately) is required for each UPS, EBM, PPDM or transformer.