[AT] desulphating battery chargers
Tom
tmartin at xtra.co.nz
Sun Jul 18 00:11:10 PDT 2004
"Larry D. Goss" wrote:
>
> Huh!? Since when? A discharged battery has a weakened mixture of
> sulfuric acid and water in it, but JUST WATER!--I hardly think so. In a
> discharged battery, both electrodes are lead sulfate. The sulfur comes
> out of solution from the acid so that the acid becomes weaker but you
> most certainly have no guarantee that the amounts of lead and acid are
> so precisely balanced that you end up with pure water.
>
> Gimme a break! The chemistry just doesn't work like that.
>
> Larry
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of
> DAVIESW739 at aol.com
> Sent: Saturday, July 17, 2004 8:37 PM
> To: at at lists.antique-tractor.com
> Subject: Re: [AT] desulphating battery chargers
>
> In a message dated 7/17/2004 4:59:29 PM Pacific Daylight Time,
> spud_thompson at toleartist.com writes:
> Most people just keep adding water, that just thins out the mix,
> works
> > > for me
> ------------------------------------------------------------------------
> --
> A fully discharged batter has only water in it the acid is in the
> plates
> that's how they work when you dump the water and replace with acid you
> will
> increase the amount of acid in the battery to a dangerous amount. In
> other word
> it is not recommended to do this I know have seen a lot of people do it
> but I
> have also seen batteries that will smoke and smell of acid when being
> charged
> from the vehicle. Most batteries quit because the cells flake off as
> they
> are used this is why there is a large open space at the bottom of all
> batteries. Marine batteries have a larger space because of the rocking
> of the boat.
> Sulfated batteries are those that have been left a long time without
> any
> discharge or charge just left on the shelf to get all sulfated. You
> don't find
> this very often that's why you can only find a few batteries that will
> cleanup
> with your desulfating charger.
>
> Walt Davies
> Cooper Hollow Farm
> Monmouth, OR 97361
> 503 623-0460
>
Larry, I think some of these "shade tree" mechanics need to
ensure that the trees still have leaves.
Otherwise they may have heard of a hydrometer and dry charged
batteries which need electrolyte added to make operational.
Tom
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