Removing indicator-applet-session worked for me. It says it's a clone maybe that has something to do with it.
-- Battery indicator applet appears in two places https://bugs.launchpad.net/bugs/569996 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs