This hidden iPhone 15 feature will save your battery from dying early — here’s where to find it

Discovering find out how to restrict your iPhone 15 to 80% cost goes to elongate the lifespan of your machine’s battery. That’s as a result of charging to 100% will increase put on on lithium-ion batteries whereas additionally operating the danger of overheating. 

Apple itself advises that you just maintain a battery charged between 20% and 80% for optimum efficiency. It’s why it warns you when your battery dips to twenty% and why it launched optimized charging with iOS 13. which delays charging previous 80% till you want it.