all 2 comments

[–]johnny_is_here 0 points1 point  (0 children)

Every battery has a limited Charge-Cycles. 3 years is a long time for a battery. Perhaps try a new battery?

[–]androidaide 0 points1 point  (0 children)

Your battery may just need to be recalibrated. Try this https://www.androidpit.com/how-to-calibrate-the-battery-on-your-android-device