Dilin has made a comment on the post about the battery problem with Lion. He found a real fix to have the battery life back to where it was in SL. I am going to follow his intruction and test it. For now, I am going to advertise the fix here. (I think my blog somehow always in the first page in google search……..
The link is here
http://www.shaasthra.com/2011/08/revealed-mac-os-x-lion-battery-drain.html