not charging

I literally have tried everything.. different charging cables, different outlets, etc. just 2 days ago my tablet which was charging just fine has now stopped charging no matter what i do. do need a new battery? if so, how do I do that? could it be the charging plug on the tablet itself that...

I have had my tablet for several months now with no charging issues, drops, scratches, etc. Two nights ago i left the tablet running a youtube video at about 5% to go get a glass of water. when i came back the tablet was off, so i assumed it was dead and left it to charge overnight. Come morning...