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Use ioreg command to get battery cycle count
Authored by: seanhussey on Feb 16, '05 11:01:51AM

So, what does this mean, exactly? My cycle count is 196. Is my battery getting on in years, or is that really good?



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Use ioreg command to get battery cycle count
Authored by: hrbrmstr on Feb 16, '05 12:19:32PM

http://www.buchmann.ca/Chap10-page7.asp

has some info on this.

i'm not sure what is or isn't good for apple laptops (since the cycle count # meaning will be different for each batch of batteries).




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Use ioreg command to get battery cycle count
Authored by: hrbrmstr on Feb 16, '05 12:25:43PM

http://www.macosxhints.com/article.php?story=20030314081843218

(our own Mac OS X Hints site!) has some *really* good info as well.

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Use ioreg command to get battery cycle count
Authored by: styrafome on Feb 16, '05 01:22:08PM

This article is more specific than the others posted. It says the lifetime of a lithiumi-ion battery is in the range of 300-500 cycles.
http://www.batteryuniversity.com/parttwo-34.htm



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Use ioreg command to get battery cycle count
Authored by: zojas on Feb 16, '05 01:45:01PM

interesting, my ibook's battery has a Cycle Count of 865. my Capacity is down to 2858, which is still decent considering its age. (the capacity used to be as high as 3530)



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