The iPhone 15 and 15 Pro have several features that aren’t on past iPhones, and now we can add new battery information and control features to the list. As pointed out in this post by @Tech_Reve, a new section in the iOS 17 “About” screen shows how many charge cycles your battery has been through as well as its manufacturing date and when it was first used (via MacRumors).
Those on older phones still have third-party options like CoconutBattery for the Mac to get more information about…