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06-30-2017, 06:26 AM
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#1
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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2 Battery question
I have 2 new batteries, same strength.
I want to use one of them to get power while I get ready to go up north this weekend. This will draw down the amps on this one battery.
We then connect 'both batteries while we are driving up north.
My question relates to the concept of using 2 batteries with different strengthes.
Ok, the question relates to charging both batteries. When I plug in will 'both' batteries return to the same strength?
I think I covered what I wanted to ask.
Happy 4th.
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06-30-2017, 07:43 AM
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#2
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Montana Master
Join Date: Apr 2015
Location: Stafford Springs
Posts: 524
M.O.C. #17256
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Just keep both connected in parallel and use and recharge them both at the same rate. no need to connect and disconnect them separately.
__________________
Jason & Wendy
2014 Ford F-350 Lariat 6.7L PSD
2015 Keystone Montana 3711FL
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06-30-2017, 07:51 AM
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#3
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Montana Master
Join Date: Apr 2015
Location: Stafford Springs
Posts: 524
M.O.C. #17256
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Like this picture
__________________
Jason & Wendy
2014 Ford F-350 Lariat 6.7L PSD
2015 Keystone Montana 3711FL
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06-30-2017, 06:45 PM
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#4
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Montana Fan
Join Date: Jun 2015
Location: Beloit
Posts: 283
M.O.C. #17535
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I agree with Jason. Don't disconnect one of them. Just run off both.
__________________
Steve & Lisa
2015 Montana High Country 353 RL | Sailuns | Kodiak Disc brakes
2015 F-350 DRW Crew Cab | Reese Goosebox
Retired and Lovin’ it!
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07-01-2017, 09:42 PM
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#5
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Quote:
Originally Posted by cw3jason
Just keep both connected in parallel and use and recharge them both at the same rate. no need to connect and disconnect them separately.
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Unless they are both 6 volt batteries in which case they need to be connected in series.
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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07-01-2017, 09:48 PM
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#6
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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There is a switch that you can install that allows you to use one 12V battery or the other or both at the same time. See: http://www.wirthco.com/20393.html
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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07-02-2017, 02:41 PM
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#7
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,953
M.O.C. #5651
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I installed a switch similar to the link above almost 10 years ago. Moved it to the new unit a few years ago. I got it at a marine parts dealer. I have 2 6 volt and a single 12 volt and can switch as noted in the link above. Just run on the 6 volt and sort of have the 12 for backup. This also allows you to completely disconnect the batteries when in storage, as the factory switch still has some items still connected. I store my Montana for as long as 6 months and I think the batteries still work.
__________________
Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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