Same problem here with Lenovo BT Laser Mouse with trusty. The right battery level was displayed with trusty but since kernel update to 3.13.0-26 it only shows 0%.
** Summary changed: - Apple Magic Mouse battery life read as "0%" + Mouse battery life read as "0%" ** Summary changed: - Mouse battery life read as "0%" + Mouse/KB battery life read as "0%" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1332210 Title: Mouse/KB battery life read as "0%" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/upower/+bug/1332210/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs