I put my phone on charge when its battery was at 35%. When I woke up in the morning, it was at 76%. I wanted to complete charging it, so I unplugged and plugged it in again, but it wasn't responding. After this, I tried it with my other chargers, but...
Hey, I might have a fix for this. Try turning off your phone when it's not charging, then turn it back on and try charging it again. That worked for me.