Sunday, May 29, 2016

Odd battery drain/charge / % full issue. Advice sought

Hi everyone,

My G3 (D851 T-mo, not that it likely matters) yesterday shut off dead at about 40% battery reported as remaining. I was early to a movie and fired up Angry Birds 2 to kill the time. Just as I was about to start playing the phone went black. Tried turning it on, nothing at all happened. I had noticed the battery was at 41% just a minute or two before. Usually this means I have PLENTY of juice left.

After the movie I tried turning on the phone; again no response at all. Pulled the battery, replaced it, still nothing.

I got to my car and plugged it in to charge on the way home. After a moment the screen came on and gave the "powered off charging" screen showing 71% battery remaining. Huh. 71% ?

I was driving for about 10 minutes, got home, and plugged it into a wall charger. At this point the phone (still powered off) reported 51% charged.

Shortly thereafter, I booted the phone up and it reported 55% charged on the usual battery % notification.

I charged it to completion, and all seems normal, but I'm worried about it dying again at ~40%. I frequently run the phone down to 15-20% before charging in the normal course of events. Is there some battery calibration I should run? Or, is it time to get a new battery (and if so, any recommendations...)?


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