APC Smart-UPS X Battery pack for Extended runtime, Rack/Tower 2U, 120Vdc Easily connect this external battery pack to an existing APC Smart-UPS X to instantly increase the amount of battery runtime to connected devices during a power outage. Please refer to your APC Smart-UPS X manual to confirm compatibility with this external battery back. The battery pack offers easy plug-and-play installation onto an operating APC Smart-UPS, ensuring power availability while runtime capacity is added. Through the APC Smart-UPS’ intelligent battery management and precision charging, the battery pack maintains the UPS system’s performance, reliability, and useful life. The APC battery pack provides scalable runtime to the APC Smart-UPS X, allowing multiple battery packs to be quickly added if the need arises. The battery pack operates equally in tower configuration, standing next to an APC Smart-UPS, or in rack-mount configuration, mounted below the UPS. Package Includes APC SMX120RMBP2U External Battery Pack, installation guide, and rack-mounting brackets. Product or component type Battery Number of rack unit 2U Battery type Lead-acid battery Provided equipment- Installation guide, Rack mounting brackets Number of battery blocks per string 10 Device mounting Enclosed battery cartridge Number of battery filled slots 0 Number of battery free slots 0 Number of battery replacement quantity 2 Battery voltage 120 V Ambient air temperature for operation 0…40 °C Relative humidity 0…95 % Operating altitude 0...10000 ft Ambient air temperature for storage -15…45 °C Storage Relative Humidity 0…95 % Storage altitude 0.00…15240.00 m Mounting mode- Rack mounted Replacement Battery -APCRBC118 Compatible Mounting- AP9625, AR201