Energy Ring is a simple Battery Indicator Ring to display battery level in real-time, in a clean and intuitive interface. The user can change between the different options to suit their needs.

When the application is installed, you can set the value you want to display on the screen. 

It works on all Android phones that are not rooted, it also works on tablets, but the UI of the application is optimized for a phone.

When the screen is off or the power is saving, the application will not be able to detect the battery level and it will not be able to display it on the screen.

You can set the value you want to display on the screen.