The menu entry might have been fixed in trusty. Note: You need to enable the tray icon via xfce4-power-manager-settings to test it, because it is hidden by default and the power indicator is visible instead.
The current development release of Xubuntu (utopic) switched to the new xfce4-power-manager panel plugin and opening the online help page works as expected. ** Changed in: xfce4-power-manager (Ubuntu) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1066314 Title: Battery icon help option does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-power-manager/+bug/1066314/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs