After upgrading to Lion my Magic Mouse's level indicator seems to be broken.
For the whole week it was reporting solid 100% on a pair of used batteries that were about 65% before upgrading. I swapped the batteries naively hoping it'll change anything and it actually did. It's now solid 95%!
Screens from both system preferences and Bluetooth icon in the menu bar:
What's interesting, iStat Pro dashboard widget seems to be reporting a correct level:
Has anyone noticed such a problem? Or maybe even found a solution to it?