APC Smart-UPS X 48V External Battery Pack, 2U RM/Tower, Lead Acid Battery | SMX48RMBP2U

APC Smart-UPS X-Series External Battery Pack Rack/Tower 48V, 864VAh, rackmount, 2U

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.
Main Input Voltage 48 V DC
Product or component type Battery
Number of rack unit 2U
Battery type Lead-acid battery
Provided equipment- Installation guide, Rack mounting brackets
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 48 V

Mounting mode- Rack mounted
Replacement Battery -APCRBC115

Product Last Updated: 08/11/2026

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