Sometimes when I'm charging my Samsung Galaxy S5's battery, I've noticed it will just stop at a certain percentage, or even start to go down again. When I unplug the charger and then plug it in again, it usually goes back to charging normally. So what's up with this?
Read more: https://samsungus.org/qa/s5/is-this-because-of-my-phone-the-battery-or-the-charger.html