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Rectangular black lithium-ion laptop battery with four cells

Toshiba

Toshiba PA5186U-1BRS 14.8V 2200mAh 4-Cell Laptop Battery

SKU CH-3C20-WHPQN

A 14.8V 2200mAh 4-cell lithium-ion replacement battery for compatible Toshiba Satellite models

  • Battery TypeLithium-Ion
  • Lithium-ion chemistry delivers reliable 14.8 V power
  • 2200 mAh capacity extends runtime between charges
  • Four premium cells maintain stable output under load
  • CE and RoHS certified for safety compliance
  • One-year replacement warranty backs build quality

What this battery replaces

This replacement battery is built for Toshiba Satellite models including the C55D-B5385, C55Dt-B5128, C55Dt-B5208 and C55Dt-B5245. It uses a four-cell lithium-ion design rated at 2200 mAh and 14.8 volts, matching the original PA5186U-1BRS specification. The unit is CE and RoHS certified and comes with a one-year replacement warranty.

Sustained power delivery

The lithium-ion chemistry provides a stable voltage curve through the discharge cycle, so the laptop sees consistent power rather than a rapid drop-off after a short burst. At 2200 mAh the pack supports typical office workloads, media streaming and web browsing for extended sessions without the voltage sag that triggers early shutdowns.

Straightforward swap

Installation is a direct swap: remove the old pack, align the connector and click the new battery into the same bay. No drivers or BIOS updates are required. The only common issue is forgetting to fully charge the new pack before first use, which can cause the fuel gauge to report incorrectly until a full calibration cycle completes.

Highlights

  • Lithium-ion chemistry delivers reliable 14.8 V power
  • 2200 mAh capacity extends runtime between charges
  • Four premium cells maintain stable output under load
  • CE and RoHS certified for safety compliance
  • One-year replacement warranty backs build quality

Specifications

Battery TypeLithium-Ion

Questions about this item

Does the 2200 mAh, 14.8 V lithium-ion pack run hot or draw extra power during all-day use?

The 4-cell lithium-ion design meets the original 14.8 V or 14.4 V specification, so heat and power draw match the factory battery under normal workloads.

What must my laptop already have for this PA5186U-1BRS battery to fit and work?

Your Toshiba Satellite must accept a 4-cell, 14.8 V or 14.4 V lithium-ion pack with the same physical connector used on models such as the C55D-B5385, C55Dt-B5128, C55Dt-B5208 and C55Dt-B5245.

Will this replacement battery work correctly alongside the original AC adapter and charging circuit I already use?

Yes, the pack is built to meet or exceed the original manufacturer specifications, so it charges and communicates with the existing adapter and laptop firmware without modification.

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