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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MBP Overcharging?


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MikeyBe

 
Member Since: Jan 02, 2011
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Is this normal? I've just recalibrated the battery and the result is the same...

Thanks, Mike
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6string

 
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Mac Specs: Back to my old 2.2GHz C2D MB after selling my MBP and wondering what my next Mac will be :)

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Mine's better



Seriously though, no it's not overcharging.
Some new batteries come with a little more, and some come with a little less charge.

Be happy that you got one of the good ones
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pigoo3

 
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Quote:
Originally Posted by MikeyBe View Post
Is this normal? I've just recalibrated the battery and the result is the same...

Thanks, Mike
It's all in the math. Like "6string" mentioned...all batteries are not the same. When new...some batteries have a slightly higher amount of mAh's & some have slightly less. In "6string's" example...his battery has a design capacity specification of 6900mAh...but his battery has a current actual capacity of 7020mAh (120mAh higher than the design spec.).

It's possible that a battery has a 100% capacity specification of 6900mAh...but batteries from the factory may actually range from 6750 to 7050...so +/- 150mAh.

Now you take the program "Coconut Battery". It has some sort of table in it's program that says "6string's" battery at 100% charge is supposed to have 6900mAh...but in reality (when the battery is fully charged) it has 7020mAh. So if you do the math...that works out to be 101% of the original design specification.

HTH,

- Nick

p.s. Technically speaking...a battery with a design capacity of 6900mAh...but an actual 100% charged capacity of 7020...is at 101.739% (almost 102% if you round it up)!

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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6string

 
Member Since: Sep 09, 2009
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Couldn't have said it better

Also, now that you know, forget about coconut battery, smc fan control, and any other junkware that you may do your head in over, as this will only take away from you enjoying your Mac as it was designed for you to do
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pigoo3

 
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Quote:
Originally Posted by 6string View Post
Couldn't have said it better
I think you did say it better (short & sweet) when you said..."Some new batteries come with a little more, and some come with a little less charge."

I just gave the long version!

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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MikeyBe

 
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Thanks guys. I'll cross it off my list of things to worry about...

Mike
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pigoo3

 
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Quote:
Originally Posted by MikeyBe View Post
Thanks guys. I'll cross it off my list of things to worry about...

Mike
Hopefully that list is not too long!

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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