How to wire up dual batteries?

Hi everyone! Going to put a second battery in my boat to run my radio,lights, sounder ect. How do i go about it?? Want to beable to charge both batteries when outboard is running. But only use one battery to start boat, and one to run the rest..cheers! Googled it but..cant find anything in my lingo


Tim's picture

Posts: 2497

Date Joined: 26/09/06

Quick

Mon, 2009-03-02 13:55

Just did a quick search and found this. http://fishwrecked.com/node/15004

Is that what your after

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Tim's picture

Posts: 2497

Date Joined: 26/09/06

Again

Mon, 2009-03-02 13:58

Just read it again and realized you want it to do it automatically. Basically the same wiring but with a VSR voltage sensative relay unit in place of the switch.

I just use the manual switch and change from one to the other half way thru the day.

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wadetolley's picture

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Date Joined: 27/06/08

Yep

Mon, 2009-03-02 14:04

Cheers mate! Thought it must be some automatic solinoid thingy out there someone must know about. Not keen on switches..as that involves having a good memory! Might find me local Auto sparkie tomrw and see what he can recomend. 

 

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mako magic's picture

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try dinkum auto electrics in

Mon, 2009-03-02 15:37

try dinkum auto electrics in malaga mate, they are pretty good , top guy, just behind bunnings

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wadetolley's picture

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cheers

Mon, 2009-03-02 15:43

 Thanks mate, will suss him out!

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Tim's picture

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Date Joined: 26/09/06

Here

Mon, 2009-03-02 15:48

Wade have a look here

http://www.bla.com.au//index.php?fn=productGroupView&dId=1&id=588&eId=10&sId=3900723476c74f21b91c2feab0a7a579

Just have to add your batteries to it. Gives you isolators as well which is a good idea.

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Faulkner Family's picture

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Date Joined: 11/03/08

why spend the $ now when

Mon, 2009-03-02 15:57

why spend the $ now when your looking at upgrading anyway?

might be good to experiment on and if it works apply it to a 4x4

RUSS & SANDY

 

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wadetolley's picture

Posts: 2258

Date Joined: 27/06/08

Good point

Mon, 2009-03-02 16:05

 Good point, i have a spare battery here, and some cable....and have always wondered how to do it. Found this website....http://www.fridge-and-solar.net/dual_bat.htm

 

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