APC RBC115 – 48 V UPS Battery Cartridge (4× 12 V 9 Ah)
Overview
The APC RBC115 is a sealed lead-acid battery cartridge engineered to restore or extend the runtime of compatible APC Smart-UPS and line-interactive systems. It comprises four 12 V 9 Ah cells in series to deliver a 48 V output—ideal for mid-capacity UPS systems. In practical deployments, it supports backup for networking racks, small servers, or telecom gear in small to medium branch offices. It’s a drop-in replacement unit, simplifies maintenance, and helps maintain expected runtime without needing to reconfigure battery packs.
Key Features
- Contains four 12 V 9 Ah SLA cells for 48 V battery string
- Sealed, maintenance-free, valve-regulated lead-acid design
- 2-year repair or replace warranty from APC
- Plug-and-play cartridge fits compatible Smart-UPS modules


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