So one example is last night before I went to bed I had 61% battery and in the morning the phone had turned off because of no battery life. Yesterday in a one hour period my phone went from 91% to 13 % and the phone was in my purse not used once in that span.
did you clare any running apps in the background
Some times I see people use chargeing adapter are not ment for the phone this my put stress on the battery
only use samsung adapter to charge it thats if you got samsung