Battery Charging Issue

Discussion in 'Computer Information' started by crackhead007@gmail.com, Jun 8, 2007.

  1. Guest

    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?
    , Jun 8, 2007
    #1
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  2. Robert Baer Guest

    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.
    Robert Baer, Jun 8, 2007
    #2
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  3. Dudley Guest

    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
    Dudley, Jun 10, 2007
    #3
  4. Guest

    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?
    , Jun 11, 2007
    #4
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