Extends battery run-time of compatible 48V Tripp Lite rack-mount and tower UPS systems. The BP48V60RT3UTAA includes heavy-gauge cabling with a high-current DC connector for safe, simple installation. An included daisy-chain connector allows the addition of multiple compatible 48V external battery packs to the host UPS. The BP48V60RT3UTAA comes with mounting accessories that support 3U rack-mount installation in 4-post racks. Optional accessories are available for 2-post rack mounting and upright tower installation. Component Type: External Battery Pack; Unit # (Capacity): 3U; Width: 17.5"; Depth: 25".