APC Smart-UPS SMX 120V External Battery Rack/Tower

Hot-swappable batteries
Ensures clean, uninterrupted power to protected equipment while batteries are being replaced

User-replaceable batteries
Increases availability by allowing a trained user to perform upgrades and replacements of the batteries reducing Mean Time to Repair (MTTR)

Scalable runtime
Allows additional run time to be quickly added as needed.

Intelligent battery management
Maximizes battery performance, life, and reliability through intelligent, precision charging.

Rack/Tower convertible
Protects the initial investment in the UPS when migrating from tower to rack-mount environment.