There's been a merge to fix this problem. Can you test it on a Dapper or Edgy beta to make sure the patch fixed your problem.
-- Battery-state applet does fails to show state of battery after awakening from hibernation https://launchpad.net/bugs/17485 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
