Why My Iphone 12 Stop Charging At 80. With iOS 13 and later Optimized Battery Charging is designed to reduce the wear on your battery and improve its lifespan by reducing the time your iPhone spends fully charged. I tried charging putting handset on OFF mode also but facing the same issue it sticks at 80.
Even though you get an alert when the iPhone battery reaches 80 while charging it wouldnt stop your iPhone from charging further. This may seem strange but the purpose is to extend battery life. Your iPhone might get slightly warmer while it charges.
There are two known reasons why this happens.
Apple introduced a battery optimization feature in iOS 13 that slows down how your iPhone charging and even holds it at 80 to prevent over stressing the. The major reason why your battery is. There might be a problem with the battery or charging port. To be honest its not that big of a deal if your charge it till 100 this automation is more like a gentle reminder that.
