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Lion: battery dropping like a rock!
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Moderator  Join Date: Oct 2001
Location: San Jose, CA
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I just (finally) upgraded to Lion. I'm doing my first work on battery since the update, and I don't know what's happening, but my battery is dropping really fast. I have a 2010 15" MBP with 8 GB of RAM, brightness all the way down, wi-fi off, BT off, everything off, no heavy duty apps running, and my battery right now says 75% with only 1:15 remaining! I'm even forcing use of integrated graphics.
What the heck is going on here?
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Moderator Join Date: Oct 2001
Location: San Jose, CA
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OK, I rebooted and now it's a little better. But it got down to 43% now with 1:49 remaining.
Is there any way to check if iCloud is doing something behind the scenes? When I first tried Photo Stream yesterday, it seemed like photos were still being uploaded even if I quit iPhoto.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Posting Junkie
Join Date: Mar 2004
Location: UK
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Activity monitor will show CPU, disk and network usage.
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I have plenty of more important things to do, if only I could bring myself to do them....
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Moderator Join Date: Oct 2001
Location: San Jose, CA
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Yeah, I checked that. Even when I had nothing running, it was still dropping.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Professional Poster
Join Date: Mar 2003
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Could this be an issue with the way 10.7 reports battery charge and not with the battery actually draining (just the appearance of draining)?
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Moderator Join Date: Oct 2001
Location: San Jose, CA
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Originally Posted by cgc 
Could this be an issue with the way 10.7 reports battery charge and not with the battery actually draining (just the appearance of draining)?
I certainly hope not. After I rebooted, I was able to get another 2 hours of very light usage in.
This is why I suspect iCloud. It was the first time I used it on battery since migrating from MobileMe. But even with wifi off, the battery was dropping. So my concern was that iCloud might be trying to talk to the cloud even when it has no Internet connection, which would be a very bad bug.
I can't prove anything, though, because it seems to be OK now.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Mac Enthusiast
Join Date: Apr 2003
Location: Monterrey, Mexico
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I found out that too but on iOS iPod Touch 3G (iPad and Mac on a much lesser degree). I disabled iCloud all together on iPad, Mac and iPod until (if there is any) a solution is found. Right now I´m on the process of recalibration of batteries to see if that is a probable solution.
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