Backup Battery Module Gives Your Compatible Eaton UPS System Extended RuntimeThe BP48VRM2U offers extended battery runtime when used in conjunction with 750VA, 1000VA and 1500VA SmartPro® UPS systems. It can also be daisy-chained for a maximum of four matching battery packs to deliver even longer extended-run operation. Heavy-gauge cabling with high-current DC connectors is included for safe, simple installation.Supports 2U Rack or Tower InstallationThis backup battery pack’s multi-use form factor supports mounting in 2U of space in EIA-standard 19-inch open frame racks or enclosures using the included 4-post rail kit and mounting brackets. Tower stands are also included for optional upright configuration.