APC Smart-UPS X 120V External Battery Pack — Rack/Tower Replacement UPS Battery Set (SMX120RMBP2U)

Replacement external battery pack for APC Smart-UPS X 120V systems. This UPS battery set (model SMX120RMBP2U) is designed for rack or tower installation and restores backup runtime for compatible Smart-UPS X units. Supplied as the APC external battery pack/UPS battery set SMX120RMBP2U, it provides the same fit and function as the original equipment.