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

PowerWarehouse

PowerWarehouse 12V Lead Acid Battery Cartridge #3 2 Pack for APC BK575C

SKU CH-TSJ5-2NXTF

Two 12 V 33 Ah lead-acid cartridges replace the APC BK575C UPS battery

  • Compatible withFits: APC BK575C
  • Compatible with APC BK575C UPS models
  • 12 V lead-acid chemistry delivers steady backup power
  • Two cartridges included for complete replacement
  • 100 % compatibility guaranteed by manufacturer

APC BK575C Replacement Battery Pack

This two-pack of 12 V lead-acid cartridges is designed as a direct replacement for the APC BK575C uninterruptible power supply. It restores backup runtime for home-office networking gear, entry-level servers and point-of-sale terminals. The batteries arrive new and ready to install without additional wiring or configuration.

100 % Compatibility Guarantee

Each cartridge carries the 2XRBC3SLA33 model reference and is guaranteed to be 100 % compatible with the original equipment. The 33 Ah rating matches the factory specification so the UPS monitoring circuitry reports accurate remaining-runtime data. Buyers needing a different form factor or a higher-capacity pack for extended runtime should verify their UPS model before ordering.

How it compares

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

Price $62.99
Pricier than about 67% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC3SLA33
Compatibility
Compatible withFits: APC BK575C

Questions about this item

What does the 12V rating mean once the battery is installed in the APC BK575C?

The 12V rating matches the UPS input requirement so the unit can deliver its rated backup power without voltage mismatch.

What does the 33 in the model code indicate about the battery interface?

The 33 denotes the amp-hour capacity that the UPS charging circuit is designed to manage for this cartridge.

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