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01-18-2013, 11:26 AM
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#1
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Montana Master
Join Date: Oct 2009
Location: Navarre
Posts: 1,527
M.O.C. #9765
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Battery Question
Have RV home and plan on attaching a battery tender. I have two 12v, so do I hook tender to + on one and - on the other?
Mike
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01-18-2013, 11:39 AM
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#2
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Montana Master
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
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I would talk to Deltran the Mfg of Battery Tender this could be tricky not the connection but if it will maintain the two batteries the same. I am sure each battery has to be the same age and condition.
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01-18-2013, 11:40 AM
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#3
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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Did you consider plugging in the Monty and let the converter do it's thing?
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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01-18-2013, 02:45 PM
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#4
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Montana Master
Join Date: Apr 2007
Location:
Posts: 992
M.O.C. #7128
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I have four batteries on my big truck, parallel, I just hook my trickle charger to the plus and neg of one battery.Been working like that for some years. Even had diff age batteries at one time, seemed to be no problem. I have the little Battery Minder, similar to the Battery Tender.
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01-18-2013, 05:11 PM
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#5
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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I use my Battery Minder like "ole dude" and I only had two batteries and all was fine for years. One of the batteries went dead and I am now down to the single battery I keep on the BM. I do think the battery failed on it's own (over 6 years old).
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01-19-2013, 12:00 AM
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#6
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Montana Master
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
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[quote]Originally posted by kdeiss
I would talk to Deltran the Mfg of Battery Tender this could be tricky not the connection but if it will maintain the two batteries the same. I am sure each battery has to be the same age and condition.
Again call Deltran 877 456 7901 they have great customer service.
A battery tender has a Microprocessor and different then other chargers I would check to be sure connecting two batteries you will get the full advantage with the step down feature that a Battery Tender has If you call please post their reply
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01-31-2013, 07:42 AM
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#7
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Montana Master
Join Date: Oct 2009
Location: Navarre
Posts: 1,527
M.O.C. #9765
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The Deltran battery tender plus will do the trick. The battery tender junior will not as it only puts out .75 amps.
Mike
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