I've noticed that the battery percentage on my tab3 was not changing after hours of charging (or even hours of usage). It simply remained on 100%. I knew that it wasn't right because the battery life should have decreased some so I restarted the tablet and the battery went down to 42%. So I connected the tablet to charger over night and the next morning it was still at 42%. I again restarted the tablet and it went back up to 100%, where it remained for hours until I restarted again so that it would show the actual battery percentage. Has anyone else experienced this? If so, what did you do to fix the issue? I just don't want to have to keep restarting the tablet to see the actual battery percentage. Thanks.
Not certain what the issue is, but if you want a quick, dirty fix, you could just get one of the many battery apps off the Play Store. I believe a bunch of them have little battery icons that do essentially the same thing as the stock one.