APC SMX120BP External Battery Pack for SMART-UPS X 120V RackTower

The APC SMX120BP Smart-UPS X 120V External Battery Pack is designed to extend the runtime of compatible APC Smart-UPS X systems in rack or tower configurations. It provides 1200 VAh of additional battery capacity using sealed lead-acid technology and supports hot-swappable battery operation for easier maintenance. The unit contains two battery cartridges with ten battery blocks per string and operates at 120 V. Its 4U rack-mount design is suitable for server rooms, network infrastructure, data centers, and other critical equipment requiring extended backup power. The package includes rack-mounting brackets and an installation guide.