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Rectangular sealed lead-acid battery in black plastic case with two terminals

PowerWarehouse

PowerWarehouse LEADACIDSLA43-24 12V 5Ah UPS Replacement Battery

SKU CH-4VPX-TPDW3

A 12V 5Ah sealed lead-acid battery for the APC DLA3000RMT2U UPS, replacing cartridge RBC43

  • Maintenance-free lead-acid design eliminates electrolyte checks
  • 12 V 5 Ah rating matches APC DLA3000RMT2U requirements
  • Direct replacement for RBC43 cartridge number 43
  • New condition ensures full rated capacity from installation

PowerWarehouse 12V 5Ah UPS Replacement Battery

This 12V 5Ah sealed lead-acid battery replaces cartridge 43 in compatible APC UPS units. It is built for maintenance-free operation in rack-mount power protection systems. The design targets server rooms and network closets that require drop-in battery swaps without special tools.

Capacity and headroom for APC DLA3000RMT2U

The 5Ah rating supports the rated runtime of the host UPS under typical loads. Runtime shortens when the connected equipment draws near the unit's maximum capacity. The battery is not suited for extended-runtime configurations or higher-capacity cartridge requirements.

How it compares

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

Price $244.99
Pricier than about 88% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model nameLEADACIDSLA43-24

Questions about this item

Will this 12V 5Ah battery fit the existing RBC43 cartridge slot in my APC DLA3000RMT2U?

Yes, it is built as a direct replacement for the RBC43 cartridge #43 used in the APC DLA3000RMT2U.

How can I confirm the battery is delivering the rated 12V output after installation?

Measure the terminal voltage with a multimeter; a healthy unit will read approximately 12V under no-load conditions.

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