APC Smart-UPS RT 192V RM Battery Pack. Features: Cascading capabilities, Compact and Lightweight, Hot Swap Batteries, Quick Plug-in Connections, Rack Mount, User-replaceable batteries. Models Supported: SURT10000RMXLI, SURT10000RMXLT, SURT10000RMXLT-2TF5, SURT3000RMXLI, SURT3000RMXLT, SURT3000RMXLT-1TF5, SURT5000RMXLI, SURT5000RMXLT, SURT5000RMXLT-1TF5, SURT7500RMXLI, SURT7500RMXLT, SURT7500RMXLT-1TF5, SURTA3000RMXL, SURTA3000XL. Rack Height 3U.