[AT] 6V chargers - repost

[dglass]

The largest one is about $100.00.   That is just the price of  a couple 
of batteries.  The biggest one is 100 amp start, 15-40 amp charge and 
2amp for small battery and maintain and is 6 and 12 volt.  I haven't 
hooked it up to a tractor yet to see if it reads generator output. If it 
does, that would also be handy.  I bought the first one at Walmart, I 
figured I had nothing to lose. Walmart takes it back if you don't like 
it. I also noticed they are selling them in big numbers. There will be a 
dozen on the shelf one day and be down to one or two the next..

charlie hill wrote:

>Thanks,   I think I will look for one of those chargers sometime soon.  It
>could pay for it's self pretty quickly!
>
>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 10:16 PM
>Subject: Re: [AT] 6V chargers - repost
>
>
>  
>
>>I don't know.  When it is desulfating, the charge light blinks and
>>different voltages flash on the dial. It doesn't say if it is positive
>>or negative, but if I had to guess I would say it stays the same
>>polarity and just pulses the voltage. I read that this technology has
>>been around in industrial chargers but just came affordable for home use.
>>
>>charlie hill wrote:
>>
>>    
>>
>>>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
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>
>>>      
>>>
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