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Rectangular black sealed lead-acid battery with two top terminals

BatteryJack inc.

BatteryJack inc. 12V 3.3Ah RBC35 UPS Replacement Battery

SKU CH-7W6V-QA498

A 12V 3.3Ah AGM battery replaces APC RBC35 cartridges and fits BE350, BE325, CyberPower 325SL and other UPS models

  • Maintenance-free AGM design eliminates electrolyte checks
  • 3 Ah capacity powers compatible UPS units reliably
  • Fits APC RBC35 and CyberPower CPS325SL cartridges
  • Terminal spacing of 1.6 inches matches original layout
  • Compact 5.28 × 2.64 × 2.4 inch form fits tight enclosures

Direct OEM Replacement

This 12V 3.3Ah AGM battery replaces the APC RBC35 cartridge and fits listed CyberPower and APC Back-UPS ES models including BE325, BE350, BE350G and CPS325SL. It is built for UPS units, emergency lighting, fire alarm panels and security systems that require a standard 12 volt 3.3 amp-hour sealed lead-acid cell.

Maintenance-Free Installation

The sealed AGM design allows operation in any orientation without electrolyte checks or watering. Terminal spacing measures 1.6 inches, matching the original cartridge layout so the battery slides into the UPS chassis without adapter cables or case modifications.

Ready-to-Use Reliability

Supplied fully charged, the cell delivers immediate backup runtime after installation. The three-year warranty on UPS devices covers the battery in supported APC and CyberPower units, while the compact 5.28 by 2.64 by 2.4 inch footprint preserves existing rack or shelf space.

Highlights

  • Maintenance-free AGM design eliminates electrolyte checks
  • 3 Ah capacity powers compatible UPS units reliably
  • Fits APC RBC35 and CyberPower CPS325SL cartridges
  • Terminal spacing of 1.6 inches matches original layout
  • Compact 5.28 × 2.64 × 2.4 inch form fits tight enclosures

Specifications

No published specifications for this item yet.

Questions about this item

How long will the 12 V 3.3 Ah AGM battery last before it needs replacing?

The manufacturer rates the expected service life at four to seven years under normal float conditions, so plan on a replacement within that window.

Does the sealed lead-acid cell generate noticeable heat or fan noise during continuous backup duty?

The battery itself is a passive AGM block with no moving parts, so it produces no fan noise and only minimal warmth while held on float charge.

Which APC UPS models accept the RBC35 cartridge that this battery replaces?

It fits the BACK-UPS ES BE325-FR, BE350, BE350C, BE350ES, BE350G, BE350U and ES 325 units that use the RBC35 or RBC47 cartridge.

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