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Thread: Auxiliary battery & split charge system

  1. #1
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    Auxiliary battery & split charge system

    Could anyone help with advice on an auxiliary battery setup in my GQ Patrol please?

    It's a 1996 4.2 with twin batteries in the engine bay. I'm assuming both are required for starting?

    I'd like to put an auxiliary battery in the back for running accessories, fridge etc from. Any advice on whether this has been done before gratefully received.

    Thanks,

    Graham.

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  3. #2
    Patrol Freak
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    Is yours a 24V system? That would be the only reason you would have 2 batteries for starting I believe. I have batteries mounted in the rear cargo ara behind the second row seats, and have also had batteries mounted on the raised wheel arch on both sides.Easy to do, just a bit of mucking around.
    Manufacturer of the Complete Camp Oven System

    Website:http://davesstuff.net/

    Vendor Page: http://www.nissanpatrol.com.au/forum...ar-That-Works/

    Tuturial Video's: http://www.nissanpatrol.com.au/forum...ted-on-Youtube

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    Patrol God Hodge's Avatar
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    Quote Originally Posted by PeeBee View Post
    Is yours a 24V system? That would be the only reason you would have 2 batteries for starting I believe. I have batteries mounted in the rear cargo ara behind the second row seats, and have also had batteries mounted on the raised wheel arch on both sides.Easy to do, just a bit of mucking around.
    Some diesels in Europe came out with 2 x 12v batteries in parallel for cold starting purposes.

    2 that I know off are the navaras. I had a 2010 D22 with such setup off the showroom floor.

    I imagine and assume since he is from UK his may be the same ??

    If such is the case , it's just a matter of splitting them 2 up and making one a aux with a charging system of choice . And making the aux a deep cycle.

    Sent from my SM-N920I using Tapatalk
    2005 GU TD42Ti

  5. #4
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    Thanks Hodge, something new I learnt today. Sounds like this is this similar to the twin battery setup on the Landcruiser 200 series?
    Manufacturer of the Complete Camp Oven System

    Website:http://davesstuff.net/

    Vendor Page: http://www.nissanpatrol.com.au/forum...ar-That-Works/

    Tuturial Video's: http://www.nissanpatrol.com.au/forum...ted-on-Youtube

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    I went down the path of 4 off slim deep cycles mounted 2 per side over the rear wheel well. They were 100a/hr each. They ultimately all failed from the same condition, which was cell collapse. The batteries I chose were more suited to stationary standby/float condition UPS installations and I believe did not cope with the vibration and thumping around. The cases all developed bulging and failure mode was very quick and all dead within 3 months of each other. The style is shown below, but it was not this brand. The brand shown actually appears to have a more robust construction as its rated for 4WD/camping and has a 5 yr warranty.


    https://www.ebay.com.au/itm/KICKASS-...8AAOSw-YZa4SKj
    Manufacturer of the Complete Camp Oven System

    Website:http://davesstuff.net/

    Vendor Page: http://www.nissanpatrol.com.au/forum...ar-That-Works/

    Tuturial Video's: http://www.nissanpatrol.com.au/forum...ted-on-Youtube

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