See the attached JPG for an example of how a %49 battery can look like you have 20 mins left.
** Attachment added: "JPG" http://librarian.launchpad.net/5655945/bad-gui-feedback.jpg -- Dual / Two Batteries, shutdown on empty expansion battery. (GPM does not recognises second battery on hotplug) https://launchpad.net/bugs/60442 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs