[AT] 6V chargers - repost

[charlie hill]

Thanks.  I always heard that most batteries fail from the plates being
shorted out by build up from being cycled so many times.  The desufation
makes sense.  I just wondered about the mechanics of it.
I wonder if it alternates pulses of current +,-,+,- or just pulses in the
same polarity as the battery.

Charlie
----- Original Message ----- 
From: "dglass" <dglass at mail.newnanutilities.org>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, June 21, 2004 8:09 PM
Subject: Re: [AT] 6V chargers - repost


> It says it is like an ultrasonic cleaner except it uses electrical
> impulses.   They also say that 80% of the batteries are discarded
> because of sulfation.    I don't know if that is true or not, but often
> when the battery will no longer hold a charge, that's often the problem.
> I have used this charger to bring back about five or six batteries from
> the dead.  If the battery needs desulfation, it will do it automatically
> and after it finishes, it will start to charge the battery.  It will
> also cut itself on and off to maintain the batteries charge. If you hook
> these chargers up to the battery that is in a vehicle, it will tell you
> how much the alternator is putting out.
>
> charlie hill wrote:
>
> >What is the story on desulfation?  How does it work?
> >
> >Charlie
> >----- Original Message ----- 
> >From: "dglass" <dglass at mail.newnanutilities.org>
> >To: "Antique tractor email discussion group"
<at at lists.antique-tractor.com>
> >Sent: Monday, June 21, 2004 1:12 PM
> >Subject: Re: [AT] 6V chargers - repost
> >
> >
> >
> >
> >>I just started using the Schumacher Smart Charge. (You can get them at
> >>Walmart also.)  They test, desulfate, and charge the battery.  They make
> >>them up to 40 amp.  They really work. I dug batteries out of the junk
> >>pile and revived them.  Desulfation is slow however and may take up to
> >>ten hours on a bad battery.  The big one and the small ones do 6/12
> >>volts and the middle ones only do 12volt.
> >>
> >>Dave Merchant wrote:
> >>
> >>
> >>
> >>>What do you guys use for 6V chargers?
> >>>
> >>>Currently, I buy Walmart 6/12 V chargers in quantity,
> >>>and use them until the smoke leaks out and they don't work any more.
> >>>
> >>>I'm going out today to buy another one (if they still stock them).
> >>>
> >>>Does any company currently make a good one?
> >>>
> >>>Does anyone know what fizzes on the Walmart ones, can it be replaced
> >>>or upgraded?
> >>>
> >>>
> >>>Dave Merchant
> >>>kosh at nesys.com
> >>>nesys_com at ameritech.net
> >>>
> >>>http://www.nesys.com
> >>>http://www.nesys.org
> >>>
> >>>
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