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Battery Charging Issue

 
 
crackhead007@gmail.com
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      06-08-2007
Hey all,

I was wondering if anybody has any tips/tricks to get a 0%
remaining battery to charge?
I have an HP Pavilion ze4500 and I can't get the battery to charge
when it's at 0%. It's done this before when the battery ran completely
down. I just messed with it (sliding battery in/out, reconnecting ac
cord) until it started working, but this time it doesn't seem to be
helping. The battery is good, it's just the laptop won't recognize it
when it's this dead. Any ideas?

 
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Robert Baer
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      06-08-2007
http://www.velocityreviews.com/forums/(E-Mail Removed) wrote:
> Hey all,
>
> I was wondering if anybody has any tips/tricks to get a 0%
> remaining battery to charge?
> I have an HP Pavilion ze4500 and I can't get the battery to charge
> when it's at 0%. It's done this before when the battery ran completely
> down. I just messed with it (sliding battery in/out, reconnecting ac
> cord) until it started working, but this time it doesn't seem to be
> helping. The battery is good, it's just the laptop won't recognize it
> when it's this dead. Any ideas?
>

A battery like that is made of a number of cells, and one of them is
always weaker than the rest.
During discharge, that weakest cells voltage drops sooner and more
than the others.
One should *never* discharge a battery below 75% if one wishes full
utilization of storage capabilities, and certainly never below 50% if
one does not want to "kill" a weak cell (and thus the battery).
Excessive discharge will force a reverse polarity on the weakest
cell, which will ruin the internal chemistry as well as the battery.
You were damn lucky that the battery recovered after the first time
you abused it.
Perhaps the next time you use a battery, you will not be so stupid.
 
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Dudley
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      06-10-2007
I have brought back a couple by applying
an external charge to the battery.. Just enough
to get the computer to recognize it. You're
on your own..Luck


 
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crackhead007@gmail.com
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      06-10-2007
How would I go about charging it via external routes?

P.S. Robert, funny how all you geeks are so bold over usenet. How'd
you like me to shove your taped up glasses up your ass?

 
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