A few years ago when I had my iPhone 3GS, and wanted to see the battery displayed as a percentage (before this was implemented as a feature of iOS). I achieved this via jailbreak. Now my issue is ...
How can I adjust the level at which Mac OS warns me about the battery of my magic mouse? I always have a lack of batteries, so I would prefer if the battery warning comes up at 15 or 20%, so I could ...