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  • Factors that can contribute to laptop battery swelling
  • Action to take if the laptop battery starts swelling
  • Preventative steps to reduce the possibility of batter battery swelling

Resolution

Factors that contribute to laptop battery swelling

  • The laptop runs hot due to airflow path obstructions; using it on your lap, pillow, or other surfaces that do not allow heat to dissipate
  • Overcharging; continuing continue charging when the battery is charged
  • Using the incorrect charger for the laptopStoring a laptop in an area that is extremely hot or cold
  • Laptop exposure to extreme temperatures
  • The laptop is old

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Action to take if the laptop battery starts swelling

  • If you see any sign of battery swelling, you should:
    • Power off the laptop
    • Unplug the charger from the laptop
    • Contact Either contact your department IT admin, or LBNL IT (help@lbl.gov) and provide the following information:
    Continuing to use the laptop
Warning
titleWarning

Laptops with a swollen battery

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increase the chance of a fire hazard and puts you at

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colorred

Continuing to use the laptop with a swollen battery increases the chance of a fire hazard and puts you at riskrisk

...

. You must replace them to comply with the Lab safety standards.

Preventative steps to reduce the possibility of

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battery swelling

  • Do not overcharge the laptop. Once fully charged, disconnect the charger
  • Use the correct charger for the laptop
  • Use the laptop on a surface that allows good airflow for heat dissipationUse an external laptop fan Image Removed
  • Store it in a dry/cool place when not using it
  • Avoid exposing the laptop to extreme temperatures
  • Use an external laptop fan 
    Image Added

Additional resources