Results of test yet? [RE-wrenches]

[Joel Davidson]

Does anyone have before and after treatment self-discharge test data?

"Roy Butler, Four Winds RE" wrote:

> info at backwoodssolar.com wrote:
>
> > Any reports yet on the battery pulsers being tested over the winter by
> > someone on this list?
>
> Hi Steve,
>
> Well, one of those people would be me. I've had a heck of a time trying to
> get the test done with the CanPulse unit from Jeff Wolfe. The unit's
> capacity is too small to allow me to use it on my 1050 AH / 24vdc home
> battery bank. And I had to loan my 24 vdc charger to a customer and haven't
> gotten it back yet....so the 24 volt unit testing hasn't happened yet.
> Thanks for your patience Jeff!!
>     But....on the 12 volt DS-500 desulfator from IES....I've been able to
> perform several tests. I'm not quite ready to write this up "officially"
> right now, but can offer you this unscientific version of my findings.
>
> On 2- 650 CCA start batteries (app age of 1 year).....both of these had
> been left completely discharged for several weeks after having failed
> prematurely due to abuse (not mine!). Both failed to accept a charge using
> a conventional 2/10/50 amp Schumacher auto battery charger. The DS-500 was
> connected to each one in turn and charged again...using the same charger
> and the same charging times as previously. Both batteries appeared to fully
> charge and passed a 20 second (starter) load test with flying colors,
> although 1 of them did require a second round of charging. This battery had
> a slightly bulging case and appears to have been frozen. These batteries
> are now being used in various vehicles...in very cold weather....with great
> success (so far).
>
> On my old (3 years) 90 AH trolling battery. This has been used for shop
> projects, demos and shows...and occasionally for 2 meter ham radio use. I'm
> ashamed to say that it's been severely neglected...by me and by others that
> have borrowed it. It was returned by one person complete dry....no
> electrolyte in sight!(a paucity of electrolyte?) Visual inspection showed
> severe sulfation. I've been throwing a charge at it whenever I had enough
> wind power here to justify the power usage. And over the past 12-14 months,
> I'd come to the conclusion that this battery needed funeral arrangements.
>
> Using the exact same charger and charge times that I had with MANY previous
> charging attempts, but now with the DS-500 attached, this battery was
> successfully charged. FYI....this was done with several back to back
> chargings over 3 days. The battery passed the 20 second (starter) load test
> with flying colors, powered my 12 volt/ 50 watt drop light for 19 hours (I
> can live with 80% capacity!) and after being fully recharged has now been
> sitting, unused, on my bench for 6 weeks.
> At this moment, it has only self-discharged down to 85% capacity and just
> passed another 20 second load test. Not too shabby for that old timer!
>     I'm going to start on my old (and heavily sulfated) golf cart batteries
> next week. And I should have my 24 volt DC charger back shortly and can
> start on the 24 volt desulfator test. I'll keep you all posted.
>     One final note...I fully realize that these tests don't conform to
> standard testing procedures and won't satisfy a lot of folks. But...being a
> non-believer myself, I'm rapidly becoming convinced that there is
> definitely an advantage to using these desulfators. Something is happening
> here which is allowing me to "bring back" batteries which I would normally
> throw away. And the results I'm getting by using "real world" testing
> (using them in my vehicles, etc.) certainly can't be ignored. Further
> testing and study is definitely required but so far, so good!
>
> Roy Butler
> Four Winds Renewable Energy Co.
>
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Hosted by Home Power magazine: 
 www.homepower.com

For info contact list moderator by email:
 michael.welch at homepower.com

____________________________________________________________
T O P I C A  -- Learn More. Surf Less. 
Newsletters, Tips and Discussions on Topics You Choose.
http://www.topica.com/partner/tag01