third battery hook up

nrejman1

Recruit
Joined
Nov 9, 2008
Messages
5
Hi
is any one here can gide me how to hook up a third battery
i have twin 150 rEvinrude fich ram 2001
im looking to hook up a 3rd battery so each battery dedicat for each motor & the 3rd one for eccesories or called house battery
thanks
Norm
 

fdmsiv

Petty Officer 1st Class
Joined
Mar 2, 2008
Messages
283
Re: third battery hook up

I would suggest skipping the 3rd battery - OB connection. I don't know the specs of your motor, but I have a feeling that charging 3 batts maybe more than it can handle.

If the 3rd battery is a deepcell used for house loads (no trolling motor or other larger drawer) then just get yourself a plug in charger and charge the battery before going out.
 

Silvertip

Supreme Mariner
Joined
Sep 22, 2003
Messages
28,771
Re: third battery hook up

You can certainly do this since. You leave one battery dedicated to one engine. You then add a battery switch or an isolator and a second battery to the other engine. That engine will have responsibility for charging both batteries and the other engine needs to operate as it always did.
 
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