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Rectangular sealed lead-acid battery in dark casing with two terminals

PowerWarehouse

PowerWarehouse LEADACIDSLA43-15 12V 5Ah UPS replacement battery

SKU CH-G3KM-FJQZ2

12 V 5 Ah sealed lead-acid battery replaces APC RBC43 cartridge 43 in SLA3000RMJ2UB3W UPS units

  • 12V 5Ah capacity keeps UPS runtime stable
  • Maintenance-free sealed lead-acid design requires no fluid checks
  • Direct fit for APC SLA3000RMJ2UB3W and RBC43 cartridge #43
  • Brand-new PowerWarehouse unit ready for immediate installation

APC SLA3000RMJ2UB3W compatible battery

This 12 V, 5 Ah sealed lead-acid unit is a direct replacement for the APC RBC43 cartridge #43 used in the SLA3000RMJ2UB3W UPS. It arrives new and maintenance-free, ready for installation by IT staff or facility managers who maintain rack-mount power protection.

12 V 5 Ah capacity match

The single specification that determines fit is the 12 V, 5 Ah rating; the battery must match the original cartridge voltage and amp-hour value to support the UPS runtime calculations. Buyers whose equipment requires a different voltage or capacity cannot use this part.

Highlights

  • 12V 5Ah capacity keeps UPS runtime stable
  • Maintenance-free sealed lead-acid design requires no fluid checks
  • Direct fit for APC SLA3000RMJ2UB3W and RBC43 cartridge #43
  • Brand-new PowerWarehouse unit ready for immediate installation

Specifications

BrandPowerWarehouse
ModelLEADACIDSLA43-15

Questions about this item

What does the 12V 5Ah rating mean for my UPS runtime?

The 12V 5Ah rating shows the battery can supply five ampere-hours at twelve volts, which directly determines how long your UPS can power connected equipment during an outage.

Does the RBC43 cartridge use a standard connector that fits the APC SLA3000RMJ2UB3W?

Yes, this replacement cartridge is built to match the APC SLA3000RMJ2UB3W interface, so it slides into the UPS and connects without adapters or rewiring.

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