Sorry, another battery thread here. I followed these instructions for my 2009 June MBP: http://support.apple.com/kb/HT1490 I did all of the steps correctly except the last step. Instead of plugging my charger in and letting it charge full without using it I fully charged it while using it. Does this matter? Also, my battery now shows 97% and says i have 6:03 left on my battery. I have a 2009 MBP. I thought we are supposed to get 7 or 8 hours out of it while using the internet on wifi? All I am running is Airport, Firefox, istat and smcfancontrol set at ~3700 rpm. Any help explaing these conundrums is much appreciated, thanks!