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Rectangular sealed lead-acid battery cartridge with grey plastic casing and silver terminals

PowerWarehouse

PowerWarehouse LEADACIDSLA11-03 UPS replacement battery

SKU CH-NZ4Q-42ASQ

Maintenance-free lead-acid battery replaces the RBC11 cartridge in APC SU1400RMXLNET UPS units

  • Maintenance-free design eliminates electrolyte checks
  • Direct replacement for APC SU1400RMXLNET UPS units
  • Compatible with RBC11 cartridge number 11
  • Lead-acid chemistry delivers reliable backup power

Compatible replacement for APC SU1400RMXLNET

This PowerWarehouse LEADACIDSLA11-03 is a maintenance-free lead-acid battery cartridge built to fit the APC SU1400RMXLNET UPS. It replaces the original RBC11 cartridge and arrives new, ready for installation. The sealed design requires no fluid checks during its service life.

Restores runtime after the original cells age

When the factory-installed pack no longer holds enough charge for the 1400 VA unit, this cartridge returns the UPS to its rated backup time. It is not suited for buyers who need a different voltage or form factor, nor for units that call for a cartridge other than RBC11.

Highlights

  • Maintenance-free design eliminates electrolyte checks
  • Direct replacement for APC SU1400RMXLNET UPS units
  • Compatible with RBC11 cartridge number 11
  • Lead-acid chemistry delivers reliable backup power

Specifications

BrandPowerWarehouse
ModelLEADACIDSLA11-03

Questions about this item

Does the LEADACIDSLA11-03 fit the APC SU1400RMXLNET UPS?

Yes, this SLA battery is built as a direct replacement for the APC SU1400RMXLNET and matches the RBC11 cartridge #11 form factor.

How do I install the LEADACIDSLA11-03 and what step is often missed?

Power off the UPS, remove the front panel, slide out the old cartridge, insert the new battery, reconnect the leads observing polarity, replace the panel, then run the UPS self-test to register the new cartridge.

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