Among the myriad new features coming in iOS 13, one is easy to miss, and yet it may have the biggest impact on our iPhones in the long term. 

The feature, noticed by Cult of Mac, is called "Optimized battery charging," and it's essentially saving the iPhone's battery by not charging it past 80% unless it's necessary. 

SEE ALSO: Dark mode will finally darken iPhone apps in iOS 13

The details on how this will work are scarce. Here's what Apple says about it: "A new option helps slow the rate of battery aging by reducing the time your iPhone spends fully charged. iPhone learns from your daily charging routine so it can wait to finish charging past 80% until you need to use it." Read more...

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