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Old Dec 5, 2009, 11:25 AM   #1
turbokuo
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MBA Rev C's 40wh battery put into MBA Rev A?

My MBA Rev A's 37WH battery is dying and since I need to replace it I was thinking about buying the bigger 40WH battery from the MBA Rev C to eek out a little more juice. Has anyone already been able to figure out if this will work?
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Old Dec 5, 2009, 11:43 AM   #2
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It should work. I don't see any differences in the plug or screw positions
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Old Dec 6, 2009, 12:54 AM   #3
turbokuo
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Thanks for the response!....Before I posted this thread I called a couple of third party Mac service shops and they said it could not be done. I wonder if this was just a standard response.
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Old Dec 6, 2009, 01:17 AM   #4
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I can't answer for service providers. Honestly, I'm not 100% sure. Theoretically, if all the screws are in the right position and the plug is the same, theres no reason why it shouldn't work.
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Old Dec 6, 2009, 05:43 AM   #5
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There was speculation that SMC update for older MBA's released soon after revision C added compatibility for new battery, so they'd be able to use new batteries for replacements when they run out of original ones - it would make sense since it'd be cheaper for Apple to order more of one part, not two different ones. Of course we won't know for sure until someone tries it (or gets a new battery as a replacement).
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Old Dec 6, 2009, 06:44 AM   #6
aleni
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Quote:
Originally Posted by turbokuo View Post
My MBA Rev A's 37WH battery is dying and since I need to replace it I was thinking about buying the bigger 40WH battery from the MBA Rev C to eek out a little more juice. Has anyone already been able to figure out if this will work?
please update the progress, i'm thinking of buying a new battery for my rev B as well.
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Old Dec 6, 2009, 09:12 AM   #7
matthewHUB
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i'm interested in knowing too. Is there any info on sites like ifixit? did you try to contact them?
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Old Dec 6, 2009, 08:55 PM   #8
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please update the progress, i'm thinking of buying a new battery for my rev B as well.
Well the Rev. B and C machines are essentially the same.
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Old Apr 17, 2010, 07:35 PM   #9
terraphantm
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bumping an old thread

has anyone actually tried this? I've got a rev b, and I'd like to get as much battery life as possible. If it does work, anyone know where I can order a rev c battery?

Last edited by terraphantm; Apr 18, 2010 at 04:04 PM.
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Old Apr 18, 2010, 03:04 PM   #10
Marconelly
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I'm interested in this too. Also, what is a good place to order a new battery in Canada? If I get one from Ebay, what should I look for?
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Old Sep 1, 2010, 02:49 PM   #11
crx7
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Purchased a used 40Whr apple battery from ebay. Installed fine and works so far on my early rev A. 31 cycle count used battery, seller had a picture of the apple logo and 40wHr label.
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