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Two black rectangular 12V lead-acid battery cartridges side by side

PowerWarehouse

PowerWarehouse 12V Lead Acid Battery Cartridge #2 2 Pack for APC SU420NET UPS Replacement Battery

SKU CH-5294-DJJZ7

Two 12 V lead-acid cartridges replace the battery in an APC SU420NET UPS

  • Compatible withFits: APC SU420NET
  • 12 V lead-acid chemistry delivers reliable backup power
  • Two-pack cartridge #2 fits APC SU420NET UPS directly
  • 100 % compatibility guaranteed with original equipment
  • One-year replacement warranty covers every battery

12 V lead-acid cartridge for APC SU420NET UPS

This two-pack of 12 V lead-acid cartridges is built to fit the APC SU420NET uninterruptible power supply. It restores backup power for networking gear, small servers and desktop workstations that rely on the SU420NET. Each cartridge is guaranteed 100 % compatible with the original equipment. Installation is a direct swap with no wiring changes required.

Capacity and runtime limits

The pack supplies the rated 12 V capacity needed for typical SU420NET loads such as routers, switches and entry-level servers. Runtime scales with the connected load; heavier draws will exhaust the reserve faster. The cartridges are not suitable for units that require higher-voltage or larger-format battery modules. Buyers needing extended runtime beyond the SU420NET design should consider a higher-capacity UPS instead.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $41.99
Typical for this category: the median of 3,915 items is $39.99.

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC2SLA255
Compatibility
Compatible withFits: APC SU420NET

Questions about this item

Will the 12 V cartridge fit alongside the existing batteries in my APC SU420NET UPS?

Yes — the cartridge is built to the original dimensions for the SU420NET, so it slides into the same battery bay without modification.

How can I verify the 2-pack is delivering the expected runtime after installation?

Run a self-test from the UPS front panel or management software; a successful test and normal load runtime confirm the cartridges are working as intended.

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