Apple has introduced a new battery health device in iPhone 15 and iPhone 15 Pro models, with built-in related settings options that allow the daily charging limit to be set to 80%.
On the four iPhone 15 models, there are three options under “Settings” → “Battery” → “Battery Health & Charging” → “Charging Optimization”:
Optimize battery charging
80% limit
Not optimizedOn checking Apple’s official support documents and found that iPhones with iOS 13 and higher support “optimized battery charging” and will learn your daily charging habits. In some cases, the iPhone will suspend charging to more than 80%.
Selecting “80% limit” limits charging to 80% in all cases. It was previously reported that according to the iOS 17 RC code, Apple has developed a new feature that allows users to limit the maximum charging capacity of the battery to better protect its lifespan.
When the feature is turned off, users will see a message saying the iPhone “will be fully charged.” When the feature is turned on, the phone will tell users that the battery will “only charge to about X%.” In addition, according to digital blogger @小白review, the iPhone 15 model can see the production date, first use time and number of cycles of the phone battery in the [Settings] – [General] – [About This Machine] interface.
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