Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Most likely it's caused by one of the media files which you recently added, possible a video file. Try removing any recently added files.
I removed all media files from the internal storage and the SD card and formatted the SD card. Still running nearly 80% battery usage. I tried the option of 'Force Stop' under battery usage details, does nothing.