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Two sealed 12V lead-acid battery cartridges in a pack

PowerWarehouse

PowerWarehouse 2XRBC2SLA251 12V UPS Replacement Battery 2 Pack

SKU CH-8R9A-0ZF11

Two 12V lead-acid batteries replace APC BP500U cartridge #2

  • Compatible withFits: APC BP500U
  • 12 V lead-acid cells deliver reliable backup power
  • two-pack design covers both slots in the APC BP500U
  • 100 % compatibility guaranteed with the original cartridge #2
  • 251 model code matches the exact replacement specification

Direct APC BP500U Replacement

This two-pack supplies 12 V lead-acid cartridges built to fit the APC BP500U uninterruptible power supply. Each unit is guaranteed 100 % compatible with the original equipment so installation is straightforward. The set restores backup runtime for home-office or small-server deployments.

Compatibility limited to APC BP500U

These batteries only work in the APC BP500U model; they will not fit other UPS units or higher-capacity APC systems. Buyers needing a different form factor or voltage must source the correct cartridge for their specific device.

How it compares

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

Price $44.99
Pricier than about 55% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC2SLA251
Compatibility
Compatible withFits: APC BP500U

Questions about this item

What does the 12V rating mean once the battery is installed in my APC BP500U?

The 12V rating matches the voltage the APC BP500U expects, so the UPS can charge and draw power correctly without modification.

What interface does the cartridge use, and what does that limit in practice?

The cartridge uses the standard APC BP500U connector, limiting use to that UPS model and preventing connection to other devices.

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