Green Battery Widget shows the exact battery level. Pressing this widget allows to change Battery, Display, WiFi, GPS and Bluetooth Settings.

If you find an error or have any questions, write me an email.

After installation, you must manually add the widget to the home screen.
How to add widget to the home screen:
1.On your home screen of your Android device, tap any blank or "empty" area and hold down your finger.
2.The "Add to Home screen" window will appear. Tap on "Widgets".
3.List of all the installed Widgets on your Android device will appear.
4.Select the widget to add to your home screen.

Note: On Android Ice Cream Sandwich add widget by selecting icon widgets menu near apps menu.