Pixel phones can stop charging automatically at 80%

On tips to increase the battery life of your phone, you will get a lot of conflicting opinions. Some reports say that it’s okay to leave your phone plugged in all night, while others say it might speed up battery aging. However, one thing that most battery experts agree on is that charging the battery at full capacity more often can extend battery life. This is why, many OEM laptops offer built -in battery charge limiter software, which allows users to stop charging as soon as the battery reaches a certain level. On the smartphone side, Sony offers similar features on Xperia smartphones under the Battery Care tool. Interestingly, some Google Pixel phones also have this functionality, but most users are unaware of its existence.

It’s unclear exactly when Google rolled out the charging limit feature to Pixel phones. But based on user reports, we suspect that it has been around since April or May of this year. This feature is available on all Pixel phones, starting with the Pixel 3, and automatically stops the device from charging once the battery reaches 80%. Google’s support page on the feature states that this site is only triggered in the following circumstances:

  • Continuous charging in high battery depletion conditions, such as gaming.
  • Payment continues for four days or more.

When the above conditions are met, charging is automatically limited to 80%, and a notification that says “optimize battery health” appears in the Always On Display and in the Battery section of the Settings app. Unfortunately, unlike Sony’s implementation, Google doesn’t offer user -facing settings to control the feature. It triggers automatically when the given conditions are met and can only be disabled by unplugging your phone from the charger or turning it back on.

XDA’s Mishaal Rahman recently spotted this feature on the Pixel 3 XL running Android 12 Beta. But according to support pages and user reports, it’s also available on Pixel phones running Android 11.

Keep in mind that the charging feature is not the same as Google’s Adaptive Charging feature, which was rolled out to the Pixel 4 and later as part of the December 2020 Pixel Feature Drop. Both features have the same goal: to reduce battery usage, but how to achieve it is different. Adaptive Charging uses your alarm settings to fully charge your phone right before you wake up, and it only works at certain times. Adaptive charging is also only available on the Pixel 4 and newer, as we just mentioned, while the “optimize for battery health” feature is available on the Pixel 3 series.

Selected image: Google Pixel 5


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