Comment 137 for bug 629258

rfugger, you can check this link out.
I applied everything written there on my HP dv4 pavillion and now the battery is showing me a percentage when charging and discharging
http://www.webupd8.org/2010/11/battery-status-ppa-finally-updated-with.html
Try again and let me know because I'm still trying to find more solutions for this bug