I can only write that sometimes I find I have to unplug after it charges up and try button presses of various duration. Or unplug the battery, wait then plug it in and try again. As I'm not there I can't offer much more. If it's dead, it's dead.
I was on my android device and it got to 0% and turned off, obviously. Right now it's charging but I can't turn the device on. It's stuck on the charging symbol and I can't see the battery percentage. Can anybody help with this issue?