[Motorola] Expo charger question

Thu, 12 Dec 2002 22:07:31 -0500 (EST)

How long are the Expo batteries supposed to last?  Last summer with all
the band openings I have had batteries last me about three days from
charge to charge, and that is with constant use.

On Thu, 12 Dec 2002, William F Morphy wrote:

> I've had some success with shocking nicads packs.  A battery pack may
> have one or two dead cells that will not come up to 1.2 volt (/  cell).
> Hence the voltage is low by 1.2V  X number of bad cells.
>
> Using a variable power supply connected to the battery pack,  I very
> quickly turn up and down the voltage to the point where it may draw as
> much as 5 amps.   Afterwards this usually brings the pack up to it's
> rated voltage.
>
> You can now apply it's rated charge for the prescribed time.  In other
> words its designed charger will now be able to supply the charge.
>
> I must caution you to be VERY careful when doing this.  It is possible
> that current this high could cause the pack to EXPLODE !    Be very brief
> with this shocking current, stand far away from it and wear safety
> glasses.
>
> I haven't done this with metal hydride, and I believe that it will not
> work.
>
>
> On Wed, 11 Dec 2002 22:55:42 -0500 (EST) JEFFREY MICHAEL KENYON
> <[email protected]> writes:
> > Hi everyone.  I am trying to charge a dead Expo battery here, but it
> > doesn't appear to have started.  I am thinking it is an adapter
> > problem,
> > and I'm just wondering what the voltage is for the slow charger for
> > the
> > Expo, and if the adapter isn't the culprit what I can do?
> >
> >
> >
> >
> >
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> >
>
> Bill Morphy
> [email protected]
>
>
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