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

PowerWarehouse

PowerWarehouse 2XRBC43SLA4324 12V Lead Acid Battery Cartridge #43 2 Pack for APC SUA3000R2X428

SKU CH-3PVD-WF0TC

Two 12 V lead-acid cartridges (#43) replace the batteries in an APC SUA3000R2X428 UPS

  • Compatible withFits: APC SUA3000R2 × 428
  • 12 V lead-acid cells deliver reliable backup power for APC SUA3000R2X428 UPS
  • Cartridge #43 design ensures exact fit and simple installation
  • Two-pack supplies both modules required for a complete refresh
  • 100 % compatibility guarantee matches original equipment specifications

Compatible Cartridge for APC SUA3000R2X428

This two-pack of PowerWarehouse 12V lead-acid cartridges is built to fit the APC SUA3000R2X428 UPS. Each unit carries the #43 designation and is guaranteed 100% compatible with the original equipment. Buyers needing a different voltage, form factor or a larger quantity will need another solution.

Steady Runtime Under Continuous Discharge

The lead-acid chemistry delivers consistent voltage through extended outages rather than only brief spikes. Internal resistance remains stable during prolonged discharge, supporting the connected load until mains power returns. Units that demand lithium-ion energy density or faster recharge cycles are not served by this chemistry.

How it compares

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

Price $512.99
Pricier than about 91% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC43SLA4324
Compatibility
Compatible withFits: APC SUA3000R2 × 428

Questions about this item

How much heat does the 12 V lead-acid cartridge generate when the APC SUA3000R2X428 runs continuously?

The sealed 12 V lead-acid cells produce minimal heat during normal float charging; the UPS enclosure handles dissipation, so no extra cooling is required for the cartridge itself.

What existing hardware must I already have to install this 2-pack cartridge #43?

You need an APC SUA3000R2X428 UPS with its battery compartment accessible and the original wiring harness in place; the two cartridges slide directly into that chassis.

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