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APC 12V 9A single-cell UPS replacement battery

Battery Technology Inc.

Battery Technology Inc. APCRBC158-SLA158 ups replacement battery

SKU CH-WESN-MQBRQ MPN APCRBC158-SLA158

A 12 V, 9 Ah sealed lead-acid cell replaces the original UPS battery module

  • 12V 9Ah capacity keeps UPS running during outages
  • Single-cell design fits APC cartridge slot precisely
  • New condition guarantees full rated performance from day one
  • Model APCRBC158-SLA158 matches original APC part number
  • Listed by manufacturer in October 2024 for current compatibility

Replacement Battery for UPS Systems

This 12V 9A single-cell unit is a direct replacement battery for compatible APC uninterruptible power supplies. It restores backup runtime when the original cells reach end of life. The product is supplied new and ready for installation.

Suitable for APC UPS owners needing a 12V 9A cell

Buyers whose units require a different voltage, capacity or multi-cell pack should look at other options. This model does not fit systems that use higher amperage modules or alternative form factors.

Provides standard runtime for supported loads

The 9Ah rating delivers typical backup minutes for compatible APC models under normal loads. Extended runtime demands or larger power draws will exceed the capacity of this single cell.

Highlights

  • 12V 9Ah capacity keeps UPS running during outages
  • Single-cell design fits APC cartridge slot precisely
  • New condition guarantees full rated performance from day one
  • Model APCRBC158-SLA158 matches original APC part number
  • Listed by manufacturer in October 2024 for current compatibility

Specifications

No published specifications for this item yet.

Questions about this item

Which UPS models accept the APCRBC158-SLA158 as a replacement?

The APCRBC158-SLA158 is designed to fit APC UPS units that specify the RBC158 cartridge; verify your UPS model against the manufacturer's compatibility list before purchase.

Can I use this 12 V 9 Ah cell in a UPS that originally shipped with a lower-capacity battery?

Yes, if the UPS chassis and charging circuit are rated for the RBC158 form factor; the 9 Ah rating provides longer runtime but must match the physical and electrical requirements of the host UPS.

How do I confirm the battery is charging correctly after installation?

After fitting the cell, power on the UPS and observe the front-panel indicators — a steady green light or completed self-test confirms the 12 V cell is accepted and charging.

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