I had a similar issue on a Toshiba NB200-10G. I traced it to the built in network port. If I disabled the LAN port and just used the WIFI then no battery drain issue occurred overnight.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/110784 Title: Toshiba laptop battery is drained while shut down -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs