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

PowerWarehouse

PowerWarehouse 2XRBC2SLA254 UPS Replacement Battery 12V 2 Pack

SKU CH-1FGK-QNHHY

Two 12 V lead-acid cartridges replace the APC SU420VS UPS battery pack

  • Compatible withFits: APC SU420VS
  • 100% compatible with APC SU420VS UPS
  • 12V lead-acid chemistry delivers reliable backup power
  • Two-battery pack covers full cartridge replacement
  • 1-year replacement warranty protects your investment

Fits APC SU420VS UPS

This replacement battery cartridge is built for the APC SU420VS uninterruptible power supply. It contains two 12 V lead-acid cells in a single pack. The set restores backup runtime for home-office and small-business UPS units that use the RBC2 form factor. Compatibility is guaranteed at 100 % with the original equipment.

Verify your UPS model first

Confirm that your UPS is the APC SU420VS before ordering; other models use different cartridges. Check that the existing battery compartment accepts the RBC2 size and 12 V chemistry. Ensure the unit is powered off and unplugged before swapping the old pack for the new one.

How it compares

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

Price $43.99
Typical for this category: the median of 3,915 items is $39.99.

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC2SLA254
Compatibility
Compatible withFits: APC SU420VS

Questions about this item

What is included with the PowerWarehouse 2XRBC2SLA254 2-pack and what else is needed for installation?

The pack contains two 12V lead-acid cartridges built to fit the APC SU420VS. No extra parts are required; each unit slides into the existing battery compartment and connects with the original wiring.

How do I know the 2XRBC2SLA254 is the correct cartridge for my UPS?

This model is specified for the APC SU420VS and carries the cartridge #254 designation. Matching that number on your current battery confirms compatibility.

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