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Rectangular black 6-cell laptop battery with label showing 57 Wh and part numbers

PISKEKAT

PISKEKAT 57 Wh 6-cell laptop battery 33+ 41U3198 43R2499 42T4531

SKU CH-NPDE-JBS7B

Replaces Lenovo ThinkPad 33+ and 41U3198 batteries with a 57 Wh 6-cell unit for 14-inch widescreen models

  • Battery TypeLaptop Batteries
  • 57 Wh capacity powers extended mobile sessions
  • 5100 mAh 6-cell design delivers reliable runtime
  • Replaces part numbers 33+ 41U3198 43R2499 42T4531
  • Fits ThinkPad T61 R61 R61i T400 R400 14-inch widescreen models
  • New GHU battery ensures fresh performance out of the box

57 Wh 6-cell replacement battery

This new PISKEKAT battery delivers 57 Wh from six cells and matches part numbers 33+ 41U3198 43R2499 42T4531. It is built for owners of compatible Lenovo ThinkPad models who need a direct replacement for an exhausted original pack.

Replaces 33+ 41U3198 43R2499 42T4531 packs

The unit substitutes the original 33+ 41U3198 43R2499 42T4531 batteries used in 14-inch widescreen ThinkPad T61 R61 R61i R400 T400 families. The jump is worth it when the existing pack no longer holds a useful charge or shows swelling.

Check part number and chassis type before ordering

Verify that your ThinkPad uses one of the listed part numbers such as 42T5263 42T5229 42T5264 42T4531 42T5225 42T5227 42T4677. This battery fits 14-inch widescreen chassis only; it will not suit non-widescreen or other form factors.

Highlights

  • 57 Wh capacity powers extended mobile sessions
  • 5100 mAh 6-cell design delivers reliable runtime
  • Replaces part numbers 33+ 41U3198 43R2499 42T4531
  • Fits ThinkPad T61 R61 R61i T400 R400 14-inch widescreen models
  • New GHU battery ensures fresh performance out of the box

Specifications

Battery TypeLaptop Batteries

Questions about this item

Will the 57 Wh 6-cell battery fit the 14-inch widescreen ThinkPad T61 chassis?

The battery is listed as compatible with the 14-inch widescreen ThinkPad T61, R61, R61i, T400 and R400 models.

How do I install the 33+ 41U3198 replacement battery without damaging the latch?

Power off the laptop, slide the old pack out by releasing the spring-loaded latch, align the new 6-cell pack with the guide rails and press firmly until the latch clicks.

When should I replace the 5100 mAh 6-cell pack?

Replace the pack when run-time drops below 50 % of the original 57 Wh capacity or the battery no longer holds a charge after a full cycle.

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