https://wccftech.com/psa-apples-upcoming-battery-recalibration-in-ios-14-5-only-works-on-iphone-11-11-pro-and-pro-max/

Apple is about to release iOS 14.5 for iPhone users and it comes with one particularly interesting feature called battery recalibration.

Revealed with beta 6 of iOS 14.5, Apple’s upcoming software update will allegedly ‘fix’ Battery Health on your iPhone is it is being misreported. It takes a while as it needs to gather a lot of data over a course of few weeks, but it works its magic if there are any real problems found.