TaskbarUtils displays the battery percentage and the toggle key status in taskbar icons.

Battery Percentage
-Show battery percentage on your taskbar
-Can open power options
-More than 30 themes to choose from
-Option to colorize the battery icon
-Customizable low battery warning

Toggle Key Status
-Show the status of caps, num and scroll lock
-Toggle the state of the key by clicking on the icon
-Many themes to choose from
-Option to colorize the icons
-Compact themes also available