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Dumb Question

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Don Rudolph

12-06-2013 10:12:52

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I purchased a new battery charger last summer and failed to get one with a 6 volt option. Is it possible to charge a 6 volt battery w/a 12 volt charger, or will it ruin the battery, or the tractor's electrical system? Thanks, Don

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12-09-2013 17:57:36

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
Keep it simple Jerry W has nailed it!

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Adirondack case guy

12-06-2013 16:51:05

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
Tried e-mailing you but it wouldn't go through. It was in reply to your new shop. My e-mail is open, try giving me a shout.

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12-06-2013 14:32:37

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
yes and no and maybee no.

if it is a 'smart' charger.. good luck.

if a plane jane xformer and diode job.. then technically.. yes. if you use a kludge series load you CAN charge up a 6v bat.. that's the non tech version. there are a few hurdles for hte technical moinded about laod change as the bat charges.. etc...e tc.

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Jerry W

12-06-2013 14:10:02

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
Hook your 6v battery in series with another 6v and then charge it.... or put your 12 v charger on its lowest setting and then understand that you are putting a 'boost' charge into you battery and do it for just a short time.


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Johjn Saeli

12-06-2013 13:50:45

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
I wonder if you could use a resistor? My '54 Dodge has 2 Group 4 6V's in parallel, & I have put the 12V charger in the "Low" setting on them for a short while, w/ no problems.

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12-06-2013 16:34:08

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 Re: Dumb Question in reply to Johjn Saeli, 12-06-2013 13:50:45  
No. You must match the internal resistance of the battery, which changes depending on the batteries charge.

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12-06-2013 13:28:02

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
jump starting 6v on 12 is very hard on the regulator.

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Case Nutty 1660

12-06-2013 10:25:37

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 Re: Dumb Question in reply to Don Rudolph, 12-06-2013 10:12:52  
I have never found a way to do it Don, I have found a great charger for the 6 volts are sold at Home Depot its a Black & Decker unit that slow charges/maintains and will do 6 and 12 volt cost is 20.00 here

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j hikemper

12-06-2013 13:12:18

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 Re: Dumb Question in reply to Case Nutty 1660, 12-06-2013 10:25:37  
agreed .6 and 8 volts need a 6 volt settin. while we are on that question,,, I have jump started 6 volt with a 12 volt system ,,i always turn off the 12 volt engine ,,, because, i fear there mite be a gremlin in the worx ,, so far so good..

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