How to Freeze Laptop Batteries

Written by kallie johnson
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How to Freeze Laptop Batteries
A laptop's battery has a limited lifespan. (laptop computer image by Albert Lozano from

A laptop uses a rechargeable laptop battery to power the computer when it is not plugged into a wall with a power adaptor. Laptop batteries have a lifespan of 12 to 24 months before the battery efficiency diminishes, requiring replacement. There is speculation among several computer forums that freezing a laptop battery may improve the efficiency or bring a dead battery back to life, however there are no studies or reports to confirm that this actually works. However, if the laptop battery is already dying or dead, there is no harm in attempting the method.

Skill level:

Things you need

  • Zippered plastic bag

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  1. 1

    Unplug the laptop from the wall. Remove the battery. The battery is located on the bottom of a laptop. Most batteries are held into place with battery locks or tabs that can be pushed or slid to the side for easy access.

  2. 2

    Place the battery in a zippered, plastic bag. Zip the bag.

  3. 3

    Place the bag into the freezer and allow the battery to freeze for 14 to 24 hours.

  4. 4

    Remove the bag from the freezer. Remove the battery from the bag.

  5. 5

    Allow the battery to return to room temperature before placing the battery back into the laptop.

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