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Rectangular sealed lead-acid battery cartridge with terminal connectors

PowerWarehouse

PowerWarehouse LEADACIDSLA11-00 UPS Replacement Battery

SKU CH-G898-QDS3A

A maintenance-free lead-acid replacement battery for APC SU48XLBP and RBC11 cartridge 11 UPS units

  • Maintenance-free design eliminates fluid checks
  • Direct replacement for APC SU48XLBP RBC11 cartridge
  • Lead-acid chemistry provides reliable backup power
  • New condition ensures full rated capacity

PowerWarehouse LEADACIDSLA11-00 UPS Battery

This PowerWarehouse LEADACIDSLA11-00 is a maintenance-free lead-acid replacement battery for APC SU48XLBP units. It serves as a direct substitute for the RBC11 cartridge, restoring runtime to the original uninterruptible power supply. Buyers needing a different form factor or chemistry should look elsewhere.

Thermals noise and power draw

The sealed lead-acid design operates without fans, producing no audible noise during normal float or discharge cycles. Heat output remains low and is managed by the UPS enclosure itself. Power draw is limited to the internal self-discharge rate when the unit is idle.

Highlights

  • Maintenance-free design eliminates fluid checks
  • Direct replacement for APC SU48XLBP RBC11 cartridge
  • Lead-acid chemistry provides reliable backup power
  • New condition ensures full rated capacity

Specifications

BrandPowerWarehouse
ModelLEADACIDSLA11-00

Questions about this item

How is the RBC11 cartridge installed in the SU48XLBP, and which step is most often missed?

Slide the cartridge into the UPS until it locks, then reconnect the internal wiring harness — the step most often missed is securing the harness clips before closing the cover.

What maintenance will the maintenance-free lead-acid cells need later, and when should they be replaced?

No routine maintenance is required; plan to replace the cartridge after three to five years or when the UPS reports a battery fault.

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