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Rectangular black sealed lead-acid battery with terminal connectors

Battery Technology Inc.

Battery Technology Inc. RBC43 UPS replacement battery

SKU CH-6A8W-FK8R7

Replacement UPS battery compatible with APC RBC43 units

  • Compatible with APC UPS models using RBC43
  • New condition ensures full rated capacity
  • Sealed lead-acid design for maintenance-free operation
  • Ready to install as a direct replacement

Direct APC UPS replacement

The Battery Technology Inc. RBC43 unit serves as a drop-in replacement for compatible APC uninterruptible power supplies. It restores backup runtime for home offices, small servers and network gear when the original cells reach end of life. Installation follows the UPS manufacturer’s standard battery swap procedure.

Sealed lead-acid design runs silently

The maintenance-free SLA chemistry produces no fan noise and generates minimal heat during normal float charging. Power draw is limited to the UPS trickle-charge circuit, so the battery adds no audible or thermal load to the rack or desk environment.

Highlights

  • Compatible with APC UPS models using RBC43
  • New condition ensures full rated capacity
  • Sealed lead-acid design for maintenance-free operation
  • Ready to install as a direct replacement

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the RBC43 UPS replacement battery and what step is often missed?

Power down the UPS, open the battery compartment, disconnect the old battery leads noting polarity, connect the new RBC43 leads matching red to positive and black to negative, secure the compartment, then power on and allow the UPS to run a self-test.

What maintenance or replacement will the RBC43 UPS battery need over time?

The sealed lead-acid RBC43 typically lasts three to five years; plan to replace it when the UPS reports a battery fault or runtime drops noticeably, and keep the unit in a cool, dry location to maximise service life.

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