Running out of iPhone battery when you’re out and about can be incredibly frustrating, which is why so many people like to plug their phone in overnight and wake up to a fully-charged battery.
However, charging your iPhone to 100% of its battery capacity on a regular basis could actually be damaging your phone’s overall battery life, meaning each charge is going to last for a shorter and shorter period of time.
iPhones use lithium-ion batteries which lose a little bit of power every time they’re fully recharged. So, if you charge it up to 100% hundreds of times, you may have to replace the battery or even the phone to keep using it
