[muglo] Re: iBook Power??

From what I understand it is fine to run with the power cord attached most of 
the time but you should run the battery down every week or two as this will 
keep the battery calibrated.  I may be wrong but I did it to our G4 Powerbook 
and the battery life is still around 2 1/2 hours of normal use which is more or 
less what it was when we bought it.

Gerhard

 
On Wednesday, May 16, 2007, at 01:10PM, "Paul Thomas" <paul_thomas@xxxxxxxxxx> 
wrote:
>I have had a strange effect (at least to me) that perhaps someone can 
>explain!!
>
>This refers to the small icon at the top right of the screen which I 
>understand indicates the stat of the battery (or at least the power 
>situation) in terms of the time left before recharging is necessary 
>given as hrs:mins?
>
>Yesterday I had just started up with the power module connected to the 
>iBook and the power main on the wall. After a short time on (perhaps 5 
>mins) the screen went black and I could nothing to get it back on 
>again!
>I finally got it back by unplugging the power supply cable to the 
>iBook, powering off using the power on button. I then noticed that the 
>power indicator icon showed about 8:00 98 hours); this then fairly 
>quickly dropped to about 4:00 when it stabilised!
>I then tried some testing!!
>At this stage the power cord was still disconnected - running on the 
>battery only.
>The time showed 4:19 and hardly changed
>I then plugged in the power supply and the icon changed to (calculating 
>... ) and afterwards the time dropped fairly quickly thus
>4:15
>2:52
>1:55
>1:25 in a total time of about 3 mins - I was not using the computer 
>during this period - just displaying a window and it's contents
>During the next minute or so it further dropped to
>1:10
>0:55
>.
>.
>
>I then unplugged the power again (at the power module) and got another  
>(calculating ... ) message followed by times
>8:10
>7:00
>5:55
>5:31
>4:58
>5:00
>4:51
>.
>.
>
>over a period of about 2 mins!
>
>It would appear therefore as I understand these numbers that it is 
>better to run the iBook without the power connection which seems 
>strange to me!!  I assumed that it was better to have the power 
>connected when using the iBook or am I misunderstanding the meaning of 
>this icon?
>
>Or does it mean I have a faulty battery or power module?
>
>Any help would be appreciated
>
>Paul
>
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