Apple recently promised to roll out a “Battery Health” feature in iOS that will offer transparency on the state of an iPhone’s battery health and any performance impacts it may be having on the handset. That feature has arrived in the iOS 11.3 beta 2, giving the public their first look at the feature before it arrives on all iPhones.

This feature addresses criticism Apple faced over its lack of transparency regarding performance throttling on certain older iPhones. At the heart of the issue is decreased battery peak power in addition to a decrease in capacity, reducing the peak power levels available to the iPhone. This is problematic, Apple explains, because the iPhone may require a peak power level the battery is no longer able to provide.
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