My LG Aristo 2 says fully charged when it is not HELP

My LG Aristo 2 starts charging when i plug it in but shortly after will read charged when the percentage shows not but when i plug back in it will show charging but then do the same as before. Please tell me whats going on.

from Android Forums at AndroidCentral.com - Ask a Question http://ift.tt/2FxamR9
via IFTTT