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Old Feb 19, 2012, 03:31 PM   #1
gpat
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What about battery life?

On my MBP 13" (Early 2011) I used to have 6-7 hour battery life with Snow Leopard, then I switched to Lion and it was reduced to 4-5 hours, how about Mountain Lion? Does it provide better battery life than Lion?
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Old Feb 19, 2012, 03:42 PM   #2
Molson1020
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My battery life on my early 2011 17" MBP is around 6:00-6:30.

When I switched over to Lion, it was reduced to about 3-4 hours, but then I installed gfxstatus and always had my machine set to "Indiscrete Graphics" which bumped everything back up to normal battery hours.
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Old Feb 19, 2012, 03:47 PM   #3
CheesePuff
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Quote:
Originally Posted by Molson1020 View Post
My battery life on my early 2011 17" MBP is around 6:00-6:30.

When I switched over to Lion, it was reduced to about 3-4 hours, but then I installed gfxstatus and always had my machine set to "Indiscrete Graphics" which bumped everything back up to normal battery hours.
so you're getting 6-6:30 hours on mountain lion?
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Old Feb 19, 2012, 03:52 PM   #4
GermanyChris
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Mine seems better almost Snow Leopard but I'll find for sure tomorrow.
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Old Feb 19, 2012, 04:21 PM   #5
Molson1020
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Quote:
Originally Posted by CheesePuff View Post
so you're getting 6-6:30 hours on mountain lion?
Yes, earlier today I got a solid 6 hours out of it by using it for basic web surfing/chatting/emailing.
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Old Feb 20, 2012, 02:30 PM   #6
gpat
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Thanks to everybody for the answers.
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Old Feb 21, 2012, 08:17 AM   #7
cmathis
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Is 3-4 hours normal for my 13" 2009 MBP? I used to get ~7 hours with Leopard, it dropped slightly with Snow Leopard, now this.
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Old Feb 21, 2012, 09:29 AM   #8
ssn637
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Originally Posted by cmathis View Post
Is 3-4 hours normal for my 13" 2009 MBP? I used to get ~7 hours with Leopard, it dropped slightly with Snow Leopard, now this.
Most users have reported a loss of 15 - 20% in battery life compared with Snow Leopard when upgrading to Lion. Mountain Lion's power management, at least on my 2010 13" MacBook Pro, is somewhat improved over 10.7.3. But I'd say on average that I've lost around 10% compared to 10.6.7 in idle use. Under heavier load CoolBook really made a difference, but we're going to have to make a choice eventually between the two. So far I've accepted the loss in battery life for the gain in new features Snow Leopard will never provide, especially now that iCloud support and a 10.6.9 update seem to have been rumors.
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