As suggested on https://wiki.ubuntu.com/DebuggingGNOMEPowerManager the output from running gnome-power-bugreport.sh can give some details about your battery and its recognition by HAL.
As suggested on https:/ /wiki.ubuntu. com/DebuggingGN OMEPowerManager the output from running gnome-power- bugreport. sh can give some details about your battery and its recognition by HAL.