Re: G4 laptop

2011-04-21 Thread Dan

At 4:01 PM -0400 4/20/2011, John Callahan wrote:
What is the best way to operate a laptop when on the AC adapter, 
with the battery in place or removed?


in place.

Am concerned with battery life and number of cycles. Battery is 
always down a little after a shut-down and restart on the power 
source, does this constitute a cycle?


No.  A cycle is a whole discharge/recharge cycle.  It's 
accumulative.  If you run the laptop on the adapter all the time, 
then it will take months to complete a battery cycle.  Of course, 
this is a Bad Thing -- Li-Ion batteries need to be cycled now and 
then - to keep the electrons moving - or they end up with shorter 
lives.  If your norm is to run on the adapter all the time, then it 
is recommended that you intentionally cycle the battery once a month 
or so.


The Power Manager and the controller chip in the battery are smart, 
but the percentage display in your menu bar is sortof a dashboard 
idiot light - often inaccurate by quite few percent.  IOW, don't get 
upset when you see it straying off that 100% mark.


In System Profiler, btw, you can view the cycle count of your battery.

A good read:
http://reviews.cnet.com/8301-13727_7-10332097-263.html

- Dan.
--
- Psychoceramic Emeritus; South Jersey, USA, Earth.

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Re: G4 laptop

2011-04-21 Thread John Carmonne


On Apr 20, 2011, at 1:01 PM, John Callahan wrote:


Hello,
What is the best way to operate a laptop when on the AC adapter,  
with the battery in place or removed? Am concerned with battery  
life and number of cycles. Battery is always down a little after a  
shut-down and restart on the power source, does this constitute a  
cycle?

Thank you



All mine are always plugged in when possible 24/7 batteries it place.

John Carmonne
Yorba Linda CA
92886 USA
From my TiBook 667





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Re: G4 laptop

2011-04-21 Thread Alex Barnes
A cycle is when the battery is drained to 0 percent and charged back up to 100. 
If you let it drain to 75% and charge it back to 100% in constitutes only 1/4 
of a cycle.
On Apr 20, 2011, at 2:04 PM, John Carmonne wrote:

 
 On Apr 20, 2011, at 1:01 PM, John Callahan wrote:
 
 Hello,
 What is the best way to operate a laptop when on the AC adapter, with the 
 battery in place or removed? Am concerned with battery life and number of 
 cycles. Battery is always down a little after a shut-down and restart on the 
 power source, does this constitute a cycle?
 Thank you
 
 
 All mine are always plugged in when possible 24/7 batteries it place.
 
 John Carmonne
 Yorba Linda CA
 92886 USA
 From my TiBook 667
 
 
 
 
 
 -- 
 You received this message because you are a member of G-Group, a group for 
 those using G3, G4, and G5 desktop Macs - with a particular focus on Power 
 Macs.
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 guide is at http://www.lowendmac.com/lists/netiquette.shtml
 To post to this group, send email to g3-5-list@googlegroups.com
 For more options, visit this group at http://groups.google.com/group/g3-5-list

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Re: G4 laptop

2011-04-21 Thread John Callahan




In System Profiler, btw, you can view the cycle count of your battery.

A good read:
http://reviews.cnet.com/8301-13727_7-10332097-263.html

- Dan.
--
- Psychoceramic Emeritus; South Jersey, USA, Earth.

Thanks Dan, exactly the info I was looking for.

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Re: G4 laptop

2011-04-21 Thread John Callahan




All mine are always plugged in when possible 24/7 batteries it place.

John Carmonne
Yorba Linda CA
92886 USA
From my TiBook 667

Thanks John, good info.



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Re: G4 laptop

2011-04-21 Thread John Callahan

Thanks Alex and thanks to all who responded.
On Apr 21, 2011, at 5:24 PM, Alex Barnes wrote:

A cycle is when the battery is drained to 0 percent and charged  
back up to 100. If you let it drain to 75% and charge it back to  
100% in constitutes only 1/4 of a cycle.

On Apr 20, 2011, at 2:04 PM, John Carmonne wrote:



On Apr 20, 2011, at 1:01 PM, John Callahan wrote:


Hello,
What is the best way to operate a laptop when on the AC adapter,  
with the battery in place or removed? Am concerned with battery  
life and number of cycles. Battery is always down a little after  
a shut-down and restart on the power source, does this constitute  
a cycle?

Thank you



All mine are always plugged in when possible 24/7 batteries it place.

John Carmonne
Yorba Linda CA
92886 USA
From my TiBook 667





--
You received this message because you are a member of G-Group, a  
group for those using G3, G4, and G5 desktop Macs - with a  
particular focus on Power Macs.
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netiquette guide is at http://www.lowendmac.com/lists/ 
netiquette.shtml

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G4 laptop

2011-04-20 Thread John Callahan

Hello,
What is the best way to operate a laptop when on the AC adapter, with  
the battery in place or removed? Am concerned with battery life and  
number of cycles. Battery is always down a little after a shut-down  
and restart on the power source, does this constitute a cycle?

Thank you

--
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Re: G4 laptop

2011-04-20 Thread Jeremiah Stevens
If your battery is Li-ion than it will not hurt it to stay on charge. Not sure 
about other batteries though
 
-Jeremiah






Hello,
What is the best way to operate a laptop when on the AC adapter, with the 
battery in place or removed? Am concerned with battery life and number of 
cycles. Battery is always down a little after a shut-down and restart on the 
power source, does this constitute a cycle?
Thank you

-- 
You received this message because you are a member of G-Group, a group for 
those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette 
guide is at http://www.lowendmac.com/lists/netiquette.shtml
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