Battery Droid Pro 1.20 adds new feature, status bar battery icon. This feature can be enabled/disabled in "Preference Settings/Others" page.
The status bar battery icon displays battery capacity in number and an lightening icon to indicate charging status.
Now you can clearly read battery capacity without returning to home screen.
To install widget, long click on any empty space of home screen. A dialog will prompt. Select Widgets and choose Battery Droid in Choose widget page. Then, a widget will appear on home screen.
The other way to install widget is to press menu button on the phone and click Add. A dialog of Add to Home screen will also prompt.