This bug is affecting me as well. I don't have the rest of the information that the OP has, but I DID run upower --dump; here's the results.
** Attachment added: "upower --dump" https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/838543/+attachment/2556149/+files/upower%20--dump -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/838543 Title: False battery warning +suspend Status in “gnome-settings-daemon” package in Ubuntu: Incomplete Bug description: I pulled the plug on my laptop with it's battery full: ubuntu@ubuntu:~$ cat /proc/acpi/battery/BAT1/state present: yes capacity state: ok charging state: charged present rate: 0 mA remaining capacity: 7200 mAh present voltage: 11100 mV ubuntu@ubuntu:~$ ubuntu-bug -w ubuntu@ubuntu:~$ cat /proc/acpi/battery/BAT1/info present: yes design capacity: 7200 mAh [...] And suddenly got a dialog saying that it was critically low (while the icon top-left appears, properly, as full) and the laptop did suspend shortly after that. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: gnome-control-center 1:3.1.5-0ubuntu4 ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3 Uname: Linux 3.0.0-9-generic x86_64 Architecture: amd64 CasperVersion: 1.280 Date: Thu Sep 1 02:26:17 2011 ExecutablePath: /usr/bin/gnome-control-center LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/838543/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp