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Rectangular black lithium-ion laptop battery with label showing model numbers

FOCUSTEC

FOCUSTEC laptop battery PA5185U-1BRS for Toshiba Satellite C55 C55D C55T L55

SKU CH-F8F3-9SY5P

New lithium-ion replacement battery for Toshiba Satellite C55, C55D, C55T and L55 series laptops

  • Battery TypeLithium-Ion
  • Lithium-Ion chemistry delivers reliable portable power for Toshiba Satellite C55, C55D, C55T and L55 series laptops
  • Direct replacement for part numbers PA5185U-1BRS, PA5184U-1BRS, PA5195U-1BRS and PA5186U-1BRS
  • Fits a wide range of models including C55-B5200, C55D-B5310, C55T-B5110 and L55-B5276
  • Certified for safety with strict compatibility guidelines and environmental standards compliance
  • Brand new condition ensures full capacity and cycle life from first use

Compatible replacement battery

This new lithium-ion battery replaces the PA5185U-1BRS and matches part numbers PA5184U-1BRS PA5195U-1BRS PA5186U-1BRS. It fits Toshiba Satellite C55 C55D C55T S55 S55T L55 C50-B and E45-B4100 series models. Buyers who need a higher-capacity pack or a different voltage will not be served by this unit.

Certified safety and direct fit

The cell meets safety certification and follows strict compatibility guidelines for environmental compliance. Its form factor aligns with the original battery bay so the laptop closes without gaps or pressure points. Users whose chassis uses a different battery footprint cannot install this pack.

Ready to install with no extras

The package contains only the battery itself; no tools screws or software are bundled. Installation is a simple swap of the old module for the new one. Customers expecting a charging adapter or diagnostic utility will need to source those separately.

Highlights

  • Lithium-Ion chemistry delivers reliable portable power for Toshiba Satellite C55, C55D, C55T and L55 series laptops
  • Direct replacement for part numbers PA5185U-1BRS, PA5184U-1BRS, PA5195U-1BRS and PA5186U-1BRS
  • Fits a wide range of models including C55-B5200, C55D-B5310, C55T-B5110 and L55-B5276
  • Certified for safety with strict compatibility guidelines and environmental standards compliance
  • Brand new condition ensures full capacity and cycle life from first use

Specifications

Battery TypeLithium-Ion

Questions about this item

What type of battery cell technology does the PA5185U-1BRS replacement use?

The PA5185U-1BRS replacement uses Lithium-Ion cell technology, matching the original battery chemistry for Toshiba Satellite C55, C55D and C55T series laptops.

Which specific Toshiba Satellite chassis codes does this battery physically fit?

This battery fits Toshiba Satellite C55-B5200, C55-B5270, C55D-B5310, C55T-B5109, L55-B5294 and other listed C55, C55D, C55T and L55 sub-models.

How is the PA5185U-1BRS battery installed, and what step do people often miss?

Power off the laptop, disconnect the AC adapter, remove the old battery by sliding its release latch, insert the new PA5185U-1BRS until it clicks, then charge fully before first use.

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