Does Keeping Your Phone On Charge Ruin The Battery. Whether it is kept that way with or without a wire is mostly irrelevant. Avoid charging your phone in an environment with poor ventilation.
What happens when you plug your phone into a computer to charge. The myth that this overcharges your phone oh wait weve said it its A MYTH. At least since phones have evolved into smartphones.
Leaving the phone always plugged in will not overcharge the battery as the protection circuits prevent overcharging.
According to Battery University leaving your phone plugged in when its fully charged like you might overnight is bad for the battery in the long run. The battery turns off when the battery remains. Griffith says that if anything charging a little more slowly is probably better for batteries. Be sure to charge your phone in a place that is cool and dry.
