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Dual Battery Installation


StarDeala

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  • Member For: 17y 1d
  • Gender: Male
  • Location: Byford, W.A.

I've done this in my 1989 nissan GQ patrol, but it is an entirely different setup to what the Falcon would be. I used a manually controlled system which I would not recommend for the XR with all the electronics to potentially blow up. You would definitely want to go with one of the computer controlled units or even a simple solenoid with those $30 surge protectors might do the trick.

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  • Member For: 17y 9m 12d
  • Gender: Male
  • Location: Sydney
why?

I have a carputer setup, which I would like to run independant of the main power, to prevent from flat battery syndrome, and to allow the system to stay running irregardless of whether the car is running or not.. Would love the 2nd battery to charge while car is running, I know this can be done, but want to find out as much as I can before I can go down this path...

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  • Member For: 18y 4m 24d
  • Gender: Male
  • Location: Perth

Redarc battery solenoid, $150 or less, very simple, automatic operation, will make sure starter is charged thoroughly before auxillary is charged. google it...

You will be better off with a deep cycle battery, an AGM type. You are looking for larger Ah, not CCA.

Recently bought a new gel cel deep cycle, $400, that should last a good 5+yrs in our application.

Battery will have to be mounted in the boot, and you will need an appropriate thickness cable, too big and long and you will have major voltage drop.

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