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Also experienced poor battery battery life after upgrade to lion. Just now did a PRAM reset, before with 36% i got 1H30, but after reset 35% i get 3H15. Seems work for me :D
 
Also experienced poor battery battery life after upgrade to lion. Just now did a PRAM reset, before with 36% i got 1H30, but after reset 35% i get 3H15. Seems work for me :D

I'm glad it worked for you too. PRAM was the answer. I am actually getting the right battery life time too. I surfed for several hours last night, put the MBP to sleep, then working with it on and off all day and still have 2 hours reserve reporting. Honestly, the battery life and horsepower were the two biggest reasons I upgrade to this MBP from my first generation Macbook Air. I'm glad to get the battery life back.
 
I'm still getting iffy battery life. Gonna do a fresh install + SMC reset + PRAM reset and see if that helps.
 
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