Smartphone Charging Rule: What is the truth about the 80% smartphone charging rule? Does Battery Health Really Improve? The experts made a big revelation

  • According to experts, although the 20-80 charging rule has scientific basis, the phone should never be charged to 100%.
  • If the smartphone is always charged up to 80%, the full capacity of the battery is not used.
  • The phone also needs to be charged to 100% occasionally for the battery management system to work properly.

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What do the experts say?

Experts say that although the 80 percent charging rule has some scientific basis, it does not mean that the phone should never be charged to 100 percent. If you only charge your smartphone up to 80 percent every day, it means that you are not using a part of your smartphone’s full battery capacity to begin with. For example, if your smartphone has a 5000mAh battery and you charge the smartphone up to 80 percent daily, you are only using the smartphone’s 4000mAh battery capacity. (Photo Courtesy – Pinterest)

Smartphone battery health deteriorates with time

Lithium-ion batteries used in smartphones degrade over time. Due to the chemical changes that occur during charging and discharging, the battery health of the smartphone gradually starts to deteriorate. In such cases, only charging up to 80 percent will not completely stop battery wear. So if you are thinking that the battery health will never deteriorate unless the smartphone is charged more than 80 percent, then it is not.

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Expert advice

Not only this, continuous limited charging can also affect accurate battery percentage calculations and software calibration. It is for this reason that experts advise to keep the smartphone charging between 20 and 80 percent. Similarly, experts also advise that sometimes it is necessary to charge the smartphone up to 100 percent. This allows the battery management system to work properly. Overall, battery care is important, but just using your phone to its full potential isn’t always the best solution. Always remember that the smartphone should not always be charged up to 100 percent and always up to 80 percent. Keep using both options.

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