iPhone battery: 7 charging mistakes can kill your phone
Those are 7 charging mistakes which can damage your iPhone battery. We hope that with our list, you can improve your battery life.
7. Storing backup phone with an empty battery
If you keep your old iPhone as a backup phone, remember to store it in a cool place with a half-charged battery. If you just let the phone run out of power, your iPhone will fall into“deep discharge state”. That means when you use this phone in the future, it will lose some battery capacity. This thing will also happen when you 100% charge the phone for an extended period.