Okay. Let's bring some sanity into this thread. 1) It's pretty decently understood how to get this information out of whatever chip takes care of it. You can find small utility programs laying about for that. 2) Nokia has actually been quite nice and provided a hald-addon-bme, in a nice seperated deb. Show your model number and you can download it. I used it in Deblet. It plugs in even my own custom compiled HAL, and shows itself as a battery like on any laptop PC. 3) http://wiki.maemo.org/Objective:Maemo_variants