Eaton RBC6A UPS Replacement Battery Cartridge 24 V 12 Ah
Overview :
The Eaton RBC6A is a sealed replacement battery cartridge intended to restore or extend the backup runtime of UPS systems that use internal removable battery packs. Technicians, data center operators, and facilities maintenance teams deploy it when original UPS batteries degrade to the point they no longer sustain expected run times under power fail conditions. Its primary role is to supply DC backup power when utility power is lost so the UPS can continue supporting connected loads.
This battery pack provides 24 V DC output with a 12 Ah capacity based on maintenance‑free sealed lead‑acid chemistry. Designed to meet original OEM output specifications, it helps maintain UPS runtime performance that aligns with the original system design. It ships pre‑assembled and ready for installation, with physical form factor and connectors matched to compatible UPS models.
The RBC6A fits within small to medium UPS platforms where internal battery replacement is feasible, most commonly single‑phase rack or tower UPS units in server rooms, branch closets, network closets, or edge racks. It does not supply AC power directly; rather, it provides DC backup to the UPS’s power conversion circuitry.
Compatibility spans select 1000 VA class UPS systems from multiple brands where this cartridge meets the required internal battery pack specification. Integration is straightforward — battery leads and plugs align with the UPS chassis contacts, and existing battery trays accept the form factor without modification.
A practical deployment example is replacing the end‑of‑life battery pack in a branch UPS that protects critical network gear. Technicians will swap the depleted RBC6A during maintenance windows and verify UPS self‑tests to reestablish rated runtime. The cartridge should be avoided in UPS systems that require lithium‑ion replacements or larger capacity external battery modules, as physical and electrical incompatibilities exist.
Key Features
- 24 V DC sealed lead‑acid replacement battery pack
- 12 Ah capacity matched to select 1000 VA UPS units
- Pre‑assembled plug‑in form factor for rapid swap
- Maintenance‑free design with up to 5 year life
- Internal installation without external modules


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