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Sealed lead-acid battery cartridge labelled 12V 5Ah with eight cells in black plastic housing

PowerWarehouse

PowerWarehouse LEADACIDSLA43-08 UPS Replacement Battery

SKU CH-XB3R-DP5F5

12 V, 5 Ah sealed lead-acid battery replaces APC RBC43 cartridge in SUA3000R2X180 UPS units

  • Compatible with APC SUA3000R2X180 UPS models
  • 12V 5Ah capacity delivers reliable backup power
  • Maintenance-free sealed lead-acid design requires no upkeep
  • Direct replacement for RBC43 cartridge number 43

Direct SUA3000R2X180 replacement

This 12 V, 5 Ah sealed lead-acid cartridge fits the APC SUA3000R2X180 UPS and matches the original RBC43 specification. It arrives ready to install with no acid handling required.

Sustained discharge stability

The maintenance-free chemistry delivers consistent voltage during extended runtime events rather than only brief surge moments. It is not suited for applications that demand higher capacity or faster recharge cycles than the rated 5 Ah design allows.

How it compares

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

Price $245.99
Pricier than about 88% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model nameLEADACIDSLA43-08

Questions about this item

How much heat or noise does the LEADACIDSLA43-08 generate when the UPS runs continuously?

The sealed lead-acid design is maintenance-free and produces no fan noise; heat output is low during normal float charging.

Which UPS models or battery slots must I already have for this cartridge to fit?

It replaces APC RBC43 cartridge #43 and fits the SUA3000R2X180 UPS that uses eight 12 V 5 Ah cells.

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