APC Smart-UPS RT192V RM Battery Pack 2 Rows Sealed Lead Acid (VRLA) rechargeable battery

Smart-UPS RT192V RM Battery Pack 2 Rows -Hot-swappable batteries: Ensures clean, uninterrupted power to protected equipment while batteries are being replaced.
-Plug-and-Play external batteries: Ensures clean, uninterrupted power to the loads when adding extra runtime to the UPS.
-User-replaceable batteries: Increases availability by allowing a trained user to perform upgrades and replacements of the batteries reducing Mean Time to Repair (MTTR).