Battery & power
Customize menubar for different states #
If on, it allows completely different menubar icons and details to be shown for when your battery is draining, charging or charged. This lets you do things like adding a time until drained to your menubar while your battery is draining, but hide it while your Mac is plugged into main power.
Apple Bluetooth keyboards, mice and trackpads #
iStat Menus can display the battery level for most Apple wireless keyboards, mice and trackpads. These are shown in the battery drop-down menu.