. The hot-swappable batteries ensure clean uninterrupted power to protected equipment while batteries are being replaced. They can increase availability by allowing a trained user to perform upgrades and replacements of the batteries reducing Mean Time to Repair (MTTR)Key Product Info . Hot-swappable batteriesUser-replaceable batteriesScalable runtimeIntelligent battery managementRack/tower convertible Product Features Hot-swappable batteriesIt ensures clean uninterrupted power to protected equipment while batteries are being replaced. User-replaceable batteriesIt increases availability by allowing a trained user to perform upgrades and replacements of the batteries reducing Mean Time to Repair (MTTR). Scalable runtimeIt allows additional run time to be quickly added as needed. Intelligent battery managementIt maximizes battery performance life and reliability through intelligent precision charging. Rack/tower convertibleIt protects the initial investment in the UPS when migrating from tower to rack-mount environment. What\'s in the box? . Installation guideRack Mounting brackets