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An overview of laptop battery technology
Authored by: rameeti on Mar 22, '03 10:43:07AM

I love information. Thanks to the writer for sharing it. But...

The continuous repetition of the same information over and over shows
the beginnings of a writers life which brings into consideration the
accuracy of the information.

i.e. The article says that the Li-Ion battery should not be run completely
down yet Apple's reccommendation is to the contrary. See the bottom of


And note that Apple's 17" pdf recommends running it all the way down
immediately upon receipt. It also says that you can run it down at your
leisure after that. And finally, it says that you should store the battery at
100% which is complete contrast to this article's 40% that is repeated
over and over and over. I'm thinking that Apple has greater expertise in
this area and that Apple's desire for user's pleasure of experience with
the batteries exceeds any thoughts of making money from selling
replacments.


Do others think I'm way off base on this?



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An overview of laptop battery technology
Authored by: rameeti on Mar 22, '03 10:46:35AM

Somehow my links got dropped from my previous post.

<http://developer.apple.com/techpubs/hardware/Developer_Notes/<
Macintosh_CPUs-G4/PowerBookG4_17inch/PowerBookG417inch.pdf>

<http://docs.info.apple.com/article.html?artnum=10970>



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An overview of laptop battery technology
Authored by: Winston on Sep 16, '03 12:14:39PM
Apple's main issue is having the menu bar battery meter be approximately right about the remaining battery life. The initial procedure of charging and then fully discharging is designed to set the battery meter. It has nothing to do with the battery life itself.

see:
http://docs.info.apple.com/article.html?artnum=86284


- Winston

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An overview of laptop battery technology
Authored by: Winston on Sep 16, '03 12:21:52PM
The continuous repetition of the same information over and over shows the beginnings of a writers life which brings into consideration the accuracy of the information.

I agree that Mr. Buchmann is a bit wordy, but if you go to his site and look at the info he has collected I think you will find it convincing. The passages I selected each have a new thought or clarification. I chose to quote Buchmann directly (with the exception of my summary at the top) as this was the source for most, although not all, of my information. It's there for those who wanted to know more detail, but did not want to wade through Buchmann's site.

- Winston

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