APC RBC116 ? Replacement Battery Cartridge for Smart-UPS
Overview? ?
The APC RBC116 is a genuine replacement battery cartridge designed for APC Smart-UPS and Back-UPS systems that operate on a 24V DC battery string. It restores full runtime and reliability to UPS units suffering reduced backup capacity due to aging cells. Built from high-quality sealed lead-acid (VRLA) batteries, the RBC116 is maintenance-free and leak-resistant, ensuring dependable power continuity for connected equipment.In real deployments, it?s commonly used in small server racks, edge compute nodes, and network closets protecting routers, switches, and storage gear. The hot-swappable design allows battery replacement without shutting down the UPS, minimizing downtime for critical systems. Each RBC116 pack is factory-tested and pre-assembled for plug-and-play installation?no wiring required.The cartridge meets APC?s stringent manufacturing standards, guaranteeing performance and safety equal to the original factory-installed unit. Whether refreshing a Smart-UPS or keeping a spare on hand for proactive maintenance, the RBC116 helps maintain system uptime and ensures reliable backup during utility outages.
Key Features
- Genuine APC replacement battery cartridge ensures full runtime restoration
- Sealed, maintenance-free design?no topping up or venting required
- Hot-swappable installation with no UPS shutdown needed
- Tested and certified for APC Smart-UPS compatibility


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