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'[EE]: Lead-Acid accumulator pulser against sulfate'
2003\02\26@085451 by Morgan Olsson

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Hello

I have seen now and then small devices that the manufacturer claim can prolong the service life of lead acid accumulators.

If that really works, how come not every car, home alarm, small boat, etc comes with one preinstalled??

Anyhow, I have now found a device witch has lot of info and references:
http://www.business.conradcom.de , search for 250179 (art no)

After short googleing I found a german zipped MS-.doc: http://mweisser.50g.com/megapulse.zip
That one have technical info, and also a lot of URL references, but only three of them worked, and only thoose profitting from selling it works, which make me even more suspicious:
http://www.novitec-gmbh.de/ (Manufacturer, test protocols and presscuts easily available, but no external links i found)
http://www.akkupulser.de/ (Seller)
http://www.city-el.de/c19.html (Electric minicar seller)


Another seller:
www.camptronic.de/Wohnen/MegaPulse/body_megapulse.html
(conrad datasheet is a pdf of this html)

What seem even more confusing is that they say it is a technology developed for satellites, and "space technology" text is a good indicator for humbug...  Besides, satellites do´nt use lead-acid cells ;) (However it may have been developed for thoose silver och nickel cadmium types, at another frequency?, but then whu don´t they sell such versions? Unlogical.)  They also mention it was developed jointly with US army, ant such devices are more popular in USA.  So, guys over there, what do you know about this?

This particular device pulses at the "atomic resonance frequency of the sulfate crystals".
Other devices I have seen simply give short plenty-amps sharge-spikes.

/Morgan --
Morgan Olsson, Kivik, Sweden

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'[EE]: Lead-Acid accumulator pulser against sulfate'
2003\03\02@202714 by jim barchuk
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Hi Morgan!

On Wed, 26 Feb 2003, Morgan Olsson wrote:

> I have seen now and then small devices that the manufacturer claim can
> prolong the service life of lead acid accumulators.

I know nearly squat about batteries but I know how to groups.google. :)

The best threads I found about this are searching for
'sci.chem.electrochem.battery sulphate'. (Without the quotes.)

The best snippet I found was
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=slrnah74se.4mv.Znospam%2BnoZs_0206%40hpb13799Z.Zboi.hpZ.com.invalid

"
>>Is there any valid sulphation busting technique, other than the
>>well-established, 100% method of sending the battery back to the
>>maker, so they can melt it down, and make new ones?
> Http://http://www.macbat.com
> seem to think there  is an alternative.

Yup, they stand to make money if they can convince you.  :)

And they strike me as at least over-hype, if not shady:

''The Macbat battery regenerator is a unique and revolutionary
innovation, ... ''

1)  Their implementation may be unique, but the ideas, overall
techniques, etc. sure don't seem to be.

2) revolutionary?  Right.

This is another one of those gray areas where people seem to get
sometimes good results, sometimes not.  Every controlled (ie
scientific) study I've seen has shown inconclusive or outright
failure.

So if you can find one cheap (eg easily build the one mentioned in
another post, borrow or buy and return, or ???) or if you're
spending someone else's money (gov't job, perhaps?) then try it out.
Just don't bet your life on it working.

sdb"

And others saying similarly that it's a tossup, that the best cure is
prevention.

Have a :) day!

jb

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