It’s optimized charging. You absolutely do not want to plug your phone in, take it to 100%, and keep it topping off the rest of the night. Lithium batteries are happiest and healthiest between 20% and 80%. The optimized charging learns your trends and slowly charges your phone to keep it in that ideal range as long as possible. It greatly improves the longevity of your battery’s health
AngryAlien21 t1_j4n8sbe wrote
Reply to iPhone 13 Pro Max charges to 50-60% and stays like that rest of the night while plugged in. Does this happen to anyone else? by Whiffler
It’s optimized charging. You absolutely do not want to plug your phone in, take it to 100%, and keep it topping off the rest of the night. Lithium batteries are happiest and healthiest between 20% and 80%. The optimized charging learns your trends and slowly charges your phone to keep it in that ideal range as long as possible. It greatly improves the longevity of your battery’s health