Why Is My Phone Battery Not Charging. At one stage the screen will go blank for about 20 secs then automatically will start checking the android software. To extend the lifespan of your battery if the battery gets too warm software might limit charging above 80 percent.
When you overcharge your iPhone or iPad it may generate a lot of heat which is detrimental to battery health. Your phone fails to detect power source because the charging port is distorted or obstructed. It is likely not properly calibrated.
Hold power for 20 seconds repeat it for 5 times on 6th time press volume down and try powering uptry draining all the juice left in battery 3.
Since a lot isnt a root cause you are searching for lets start by eliminating the most obvious that is a temporary software failure. To calibrate the battery correctly so that the phones operating system can properly detect the battery status you need to discharge it down all the way and then charge it to 100. It is likely not properly calibrated. If your battery still isnt charging chances are you have a faulty battery.
