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Old Apr 30, 2008, 11:53 AM   #1
Eraserhead
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Maximum Battery Capacity for different Macs

It seems from this thread that a lot of people are asking questions about whether their battery needs replacement. I think its worth improving the Mac Guide on this to make it clear. But to do so I need to know the maximum battery capacity of a selection of Macs which can be found with Coconut battery.


Please post the original capacity for your Mac below with the Model as well.

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I'll start with the MacBook 13": 5200mAh.

EDIT: Please include the screen size otherwise the data can't be used
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Old Apr 30, 2008, 02:36 PM   #2
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For some reason, CoconutBattery mistakenly reports that MacBooks have a 5020 mAh capacity when in reality they're 5200 mAh. I noticed this when I upgraded to Leopard and noticed my original capacity had dropped to 5020, so I changed it in the CB prefs.
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Old Apr 30, 2008, 04:24 PM   #3
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Nice catch, fortunately I remembered it was 5200 and didn't notice what it actually said .
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Old Apr 30, 2008, 05:04 PM   #4
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iBook G4 12"

Pretty sure the "current battery capacity" is the real one.
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Old May 1, 2008, 05:45 AM   #5
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If the battery needs replacing, you'll know. Capacity decreases of lithium ion batteries decrease very slowly, but after 2 or 3 years, or a certain number of charge cycles (around 300, on average), battery life will just start free-falling until you get less than 1 hour per full charge. This sudden drop from "good" battery life, to a miniscule battery life will happen within a span of several months. Once you start seeing this accelerated drop in battery life, you need to start thinking about getting a new battery. Otherwise, your battery will have little capacity in several months.

Is that enough information?
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Old May 1, 2008, 07:56 AM   #6
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^^ Yeah, but that won't stop the threads, <shrug> it seems useful to have the figures for people to compare.
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Old May 2, 2008, 01:01 AM   #7
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Macbook Pro is 5500mAh

I've got about 98%
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Old May 2, 2008, 04:32 AM   #8
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^^ I assume its the 15" model?
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Old May 12, 2008, 02:49 AM   #9
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MacBook Pro 15"
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Old May 17, 2008, 05:54 AM   #10
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PowerBook G4 (28 months old)
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Old May 18, 2008, 05:04 AM   #11
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^^ Which model? 17"?
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Old May 18, 2008, 05:14 AM   #12
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I've added the MacBook Pro 15" and MacBook 13.3" figures of 5200 and 5500 mAh, the others I've calculated manually, as I believe 2100 is way too low for the iBook when Apple claim they have similar battery capacity to the PowerBook's.
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Old May 18, 2008, 06:22 AM   #13
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Macbook 2.2ghz Santa Rosa
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Old May 18, 2008, 06:34 AM   #14
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^^ I've checked again and that's what my MacBook apparently gets and its in ratio with the figures on Apple.com
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Old May 18, 2008, 08:44 AM   #15
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Quote:
Originally Posted by Eraserhead View Post
^^ Which model? 17"?
Yep, 17". It's the final revision PowerBook - the one that lasted all of three months before the Intel laptops were announced - if that helps any.
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Old May 28, 2008, 10:10 AM   #16
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performa 600

found old mac after 7 years of storage. it's a performa 600 series. will this ever start again?
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Old Jul 30, 2008, 02:10 PM   #17
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Thought I'd share this: I last posted here on May 17th, with my 17" PowerBook getting 1517 mAh; just ran CoconutBattery again, got the following results:
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Last edited by m.d.; Jul 30, 2008 at 02:13 PM. Reason: Helps if you actually attach the attachment... :rolleyes:
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Old Jul 31, 2008, 05:57 AM   #18
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^^ Its normal for it to fluctuate. But what I was looking for was the original capacity not the final capacity.
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Old Jul 31, 2008, 07:29 AM   #19
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=]
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Old Jul 31, 2008, 07:38 AM   #20
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Quote:
Originally Posted by eyemacg5 View Post

=]
Er... 1 Battery cycle? and 97% already
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Old Jul 31, 2008, 09:14 AM   #21
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My MacBook 13"

Original capacity: 5020 mAh,
Current capacity: 4920 mAh,
98%
Loadcycles: 40
Age of Mac: 4 Months
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Old Aug 1, 2008, 09:52 AM   #22
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Quote:
Originally Posted by eyemacg5 View Post

=]
What Mac is that?
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Old Aug 3, 2008, 12:22 AM   #23
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Old Aug 9, 2008, 03:32 AM   #24
AJ1BostonMASS
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White Macbook 2.4Ghz

Current Cap-5118

Original Cap-5020
100%

15 cycles

5 weeks old

what i did was made sure my battery was completely dead before i plugged it in to charge and that could be why its better
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Old Aug 11, 2008, 05:24 AM   #25
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my battery almost down : normal ?

hello mine is low (see attach)
moreover, it seems that it varies (last week it showed 48 % instead of 67!)

i need to change it?

i have a macbookpro 1.83 ghz intel, 2Go 667 Mhz DDR2, OSX.4.11
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