Hi people! I have an 18-month old P4 1.8MHz notebook and i used to get 2.5 hours max with it. Now, I am lucky to get 40 minutes max. I have always been concious of charging it only when prompted if i ever unplug it. However, I do keep it plugged in majority of the time. Is my battery dying? I want to recondition it myslef to save money. Any ideas on where or how to start? Thanks!