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crwdns2944351:0crwdnd2944351:0Recalibrating laptop batteries - READ FOR HP MACHINEScrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Nickcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Nick

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PC Laptop
Type
technique
Title
How to recalibrate the battery in your laptop
Introduction
If your laptop battery is a couple of years old and is beginning to fail or you suspect the reported information is incorrect, one thing you can do (outside of replacing the battery) is to recalibrate the battery.
++ '''Guide notes''' ++
* It is very unlikely you will see a capacity increase through recalibration. It is far more likely your battery has unaccounted wear that was never logged and recalibration will simply force the battery to take this wear into account. This is NOT a bad thing.
* If your laptop does not allow you to use it when the battery hits a certain percentage (notably HP), you will need to find a workaround to calibrate the battery properly. The workaround for this will vary by laptop, so you will need to figure out what "works" for your specific laptop.
* '''WARNING: If your laptop's battery gets hot to the touch and is beyond warm, measure the temperature of the battery. If the battery is running hot (~70-80 degrees Celsius), the battery should be considered damaged and be replaced!'''
* Once the battery is charged, it is best to let your laptop do it's thing and avoid using it. Using it is unlikely to harm anything, but this can affect the accuracy of the recalibration.
* Batteries with severe levels of wear and tear may be damaged by doing this. Be prepared to replace your battery if this happens.
To recalibrate the battery, charge the battery to 100%. Use the laptop until the battery hits 0% and shuts off. Immediately charge the laptop until it is fully charged.
Time Required Min
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Time Required Max
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Imageid
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Difficulty
Easy
Conclusion
To reassemble your device, follow these instructions in reverse order.
Author
Nick
Public
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  • IR Thermometer x1 While not required, it is handy to diagnose "hot" batteries. (featured) added.

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  • Replacement laptop battery x1 Optional - NOT required unless the battery fails recalibration or it is damaged. (featured) added.

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  • In Progress added.
  • Community-Contributed Guide added.

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