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Two black rectangular 12V lead-acid battery cartridges labeled 43

PowerWarehouse

PowerWarehouse 12V Lead Acid Battery Cartridge #43 2 Pack APC SUA3000R2X401 UPS Replacement Battery

SKU CH-031Z-NS3R6

Two 12 V lead-acid cartridges replace APC SUA3000R2X401 UPS batteries

  • Compatible withFits: APC SUA3000R2 × 401
  • 12 V lead-acid chemistry powers APC SUA3000R2X401 UPS
  • Two cartridges per pack keep both bays supplied
  • Model 2XRBC43SLA4323 matches original equipment specs
  • Brand-new condition delivers full rated capacity immediately

12 V Lead-Acid Cartridge for APC SUA3000R2X401

This two-pack of PowerWarehouse batteries replaces cartridge 43 in the APC SUA3000R2X401 uninterruptible power supply. Each unit delivers 12 volts using sealed lead-acid chemistry. The set is built to match the original equipment specifications for direct installation.

Restores runtime for compatible UPS units

Swapping both cartridges at once returns the UPS to its full backup capacity so connected servers stay powered during outages. The matched pair ensures balanced cell aging across the string. Buyers needing a different voltage or form factor 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 $509.99
Pricier than about 91% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC43SLA4323
Compatibility
Compatible withFits: APC SUA3000R2 × 401

Questions about this item

When should I replace the 12V lead-acid cartridge #43 batteries in the APC SUA3000R2X401 UPS?

Replace the cartridge #43 batteries when the UPS indicates a battery fault, runtime drops noticeably, or after three to five years of normal service.

What limits runtime during a prolonged outage with the 2XRBC43SLA4323 pack in the SUA3000R2X401?

The 12V lead-acid capacity of the cartridge #43 pack determines how long the SUA3000R2X401 can sustain the connected load before shutdown.

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