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Two sealed 12V lead-acid battery cartridges in plastic housing

PowerWarehouse

PowerWarehouse 2XRBC2SLA228 UPS Replacement Battery 2 Pack

SKU CH-R9D7-QP921

Two-pack of 12 V lead-acid batteries compatible with APC SP500DR UPS units

  • Compatible withFits: APC SP500DR - SP500DR
  • Fits APC SP500DR UPS units directly
  • 12 V lead-acid chemistry for reliable backup
  • Two batteries included for complete replacement
  • 100 % compatibility guaranteed with original equipment

PowerWarehouse 2XRBC2SLA228 Battery Pack

This replacement set contains two 12V lead-acid cartridges built for APC SP500DR UPS units. Each unit restores the original runtime and voltage profile the manufacturer specifies. The pair arrives new and ready for installation without additional wiring or configuration.

Suits owners of compatible APC SP500DR units

Buyers who need a different voltage, capacity, or form factor should look elsewhere. The pack does not fit other UPS models or battery slots. Users requiring hot-swappable modules with integrated management electronics will need a different product.

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 name2XRBC2SLA228
Compatibility
Compatible withFits: APC SP500DR - SP500DR

Questions about this item

How often should I replace the 12 V lead-acid cartridges in the SP500DR UPS?

Replace both cartridges every three to five years or when runtime falls noticeably below the original level.

What component limits runtime first during an extended outage on the SP500DR?

The 12 V lead-acid cells deplete first; once their voltage drops the UPS shuts down.

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