DUEL BATTERY SET UP

Hi guys, after gettung stuck at the Pentecost river last week and having big dramas to get home i want to put a duel battery into the prado, if anyone can help with what i need that would be great, also is it an easy job or should i pay to get it done??

Cheers Mick S
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Reply By: Michael ( Moss Vale NSW) - Saturday, Jan 31, 2009 at 00:44

Saturday, Jan 31, 2009 at 00:44
Gday Mick, What do you want the second battery for, more starting power, fridge.....?? Michael
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AnswerID: 346813

Follow Up By: Seakarvan - Monday, Feb 02, 2009 at 04:37

Monday, Feb 02, 2009 at 04:37
4X4's are like boats you use offshore as far as batteries are concerned Mick. I prefer big marine batteries in both applications. Just ensure in that one battery is the dedicated starting battery and the other is for whatever. As offshore its handy to calculate draw over any given period and treat power use carefully.

Cheers
Seakarvan
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FollowupID: 615328

Reply By: Kroozer - Saturday, Jan 31, 2009 at 02:12

Saturday, Jan 31, 2009 at 02:12
Pentecost? What were you doing out there at this time of year? And what were your drama's mate?
AnswerID: 346818

Follow Up By: RV Powerstream P/L - Saturday, Jan 31, 2009 at 04:31

Saturday, Jan 31, 2009 at 04:31
Be careful with what you do as I believe new Prados have engine temp compensation on alternators that reduces the charge voltage of the alternator down and any further voltage drop will mean no or little available charge to an auxilliary battery.

I do not know exactly with what model this started and it would not matter what you want the dual battery for.

Please check it thoroughly before doing anything.
Ian
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FollowupID: 614878

Reply By: Richard W (NSW) - Saturday, Jan 31, 2009 at 06:29

Saturday, Jan 31, 2009 at 06:29
Mick,

I did my own about 7 years ago using a Pirhana isolator, research and a good wiring diagram for an auxilliary battery in the rear to run a fridge and other assorted devices. Transplanted it into the current vehicle.
Not difficult if you are handy but there are some pitfalls that you need to be aware of.

There is some good info on this site.
Battery Link

AnswerID: 346823

Reply By: ABR - SIDEWINDER - Saturday, Jan 31, 2009 at 09:47

Saturday, Jan 31, 2009 at 09:47
Hi Mick

I recommend a Dual Battery if you run any accessories when the engine is not running.

The TD Prado is a very easy DIY and is quite cheap to do.

The battery space avalable suits a N70 case and I would use a MRV70 rated at 105 a/h.



Regards

Derek from ABR
AnswerID: 346841

Reply By: garrycol - Saturday, Jan 31, 2009 at 09:52

Saturday, Jan 31, 2009 at 09:52
Why do you want your batteries to duel each other - wouldn't a dual battery system be better? :-)
AnswerID: 346842

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