The APC Smart-UPS X 120V External Battery Pack (SMX120BP) is a high-capacity, scalable runtime solution designed to extend the battery backup duration of your compatible APC Smart-UPS X systems. Engineered with sealed lead-acid battery cartridges totaling 1200 VAh capacity at 120 V, this battery pack offers reliable power continuity during outages, minimizing downtime for critical equipment.

Key features include:

• Rugged 4U form factor convertible between rackmount and tower configurations, complete with rack mounting brackets for versatile installation.


• Hot-swappable, user-replaceable sealed lead-acid battery cartridges ensure uninterrupted power supply while maintenance occurs.


• Scalable runtime capability allows connection of multiple battery packs to meet higher backup time demands.


• Advanced intelligent battery management and precision charging optimize battery performance, extend service life, and maintain system reliability.


• Operates efficiently within 0–40 °C, with storage tolerances from -15 °C to 45 °C and non-condensing humidity up to 95%, suitable for various data center environments.

For more information and support, visit the [APC official product page](https://www.se.com/us/en/product/SMX120BP/apc-smartups-xseries-external-battery-pack-rack-tower-120v-1200vah-rackmount-4u/).