This bug appears to have been resolved for me at least with kernel v3.8.0-31.
Battery is now showing 100% when fully charged. Kind regards and thanks Christopher ** Tags added: kernel-fixed-v3.8.0-31 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1215590 Title: BIOS update 219 (from 215) for Asus UX31A led to battery % error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1215590/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs