Loadbox charging




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  1. #1
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    Default Loadbox charging

    Hi I want to charge my xtra battery.
    If I run a wire from my engine bay battery to my loadbox and attach a bh plug to it.
    What do I need to charge my battery and prevent my xtra battery from draining my cranking battery.
    Please help I am clueless.

  2. #2
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    Default Re: Loadbox charging

    You will need some sort of protection in the form of a DC-DC charger or a solenoid system.
    Please share your requirements, such as loads on the 2nd battery, application - camping for x days, overlanding etc. It will determine your system design.
    Did you have a look at the Sticky called 'Electrickery for camping'? It will have all your questions answered..

    Hilux 3.0 D4D "Goldilocks" - Rigged for overlanding
    ORRA Callsign: X130
    Passionate about alternative energy

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  4. #3
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    Default Re: Loadbox charging

    .
    Last edited by Subok; 2019/03/15 at 06:33 AM. Reason: Duplicate

    Hilux 3.0 D4D "Goldilocks" - Rigged for overlanding
    ORRA Callsign: X130
    Passionate about alternative energy

  5. #4
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    Default Re: Loadbox charging

    Will be mostly for running fridge while driving but also if needed to camp for weekend running fridge and x2 lights.

  6. #5
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    Default Re: Loadbox charging

    Lusted for a Landy but the Pajero was sexier and bigger in the right departments, just like my Missus.

    2004 Gen 3. 3.8i petrol V6 (PAJTU)
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  7. #6
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    Default Re: Loadbox charging

    Jeep Grand Cherokee 2002 4.7 V8

  8. #7
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    Default Re: Loadbox charging

    Check the temperature limitations of he DC.-DC charger if you are planning to use it in the bin or engine bay.
    I lost one due to overheating in the loadbin. Even with two cooling fans it did not make it.

  9. #8
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    Default Re: Loadbox charging

    Quote Originally Posted by DC Polokwane View Post
    Indeed! It gave me the confidence to do my own installation. I went for the NL DC-DC and Bat box. Why do you need confidence? In the end it may be a straight forward job, but do it wrong, that very expensive vehicle of yours may go up in flames. Or you may be left stranded with warm beer
    Why did I do it myself? For the enjoyment of the project and satisfaction a well done job gives me.



  10. #9
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    Default Re: Loadbox charging

    Quote Originally Posted by hatjohan View Post
    Indeed! It gave me the confidence to do my own installation. I went for the NL DC-DC and Bat box. Why do you need confidence? In the end it may be a straight forward job, but do it wrong, that very expensive vehicle of yours may go up in flames. Or you may be left stranded with warm beer
    Why did I do it myself? For the enjoyment of the project and satisfaction a well done job gives me.
    Hi please give me a detailed discription what you did.

  11. #10
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    Default Re: Loadbox charging

    Quote Originally Posted by fatbike View Post
    Hi please give me a detailed discription what you did.
    So simple, it is actually embarrassing:
    • 16mm pos and neg cables from start battery to load bin. Pos 30 amp fused at battery.
    • Routed in a sleave underneath vehicle, making sure there is no opportunity for pinching/chafing/ hooking or heating from exhaust.
    • Connected to a NL DC/DC 25 Charger. Charger also connected to Ignition as per instructions and temperature sensor connected to aux battery as per instructions. The NL instructions are VERY clear and easy to follow.
    • I bought the special at Outdoor Warehouse during Dec, so I also got the NL monitor. That was actually the most difficult part to install, since that cable was a bit short to follow the easiest rout, so I had to take out the back seats and console to do a straight line installation to the dash. Apparently you do get a longer cable but I believe that would have been too long. I do not like meters of winded cable in my vehicle. I would HIGHLY recommend getting that monitor - it gives you certainty about the condition of the charging system as well as of the batteries. (If you get any other brand - also try to get one with a monitor it is really not negotiable)
    • DC/DC charger connected to NL Auxcillaiary Battery box with 16mm cable, Pos again fused 30 amp. Charger and Bat box within 50 cm from each other.
    • Used a 105 amp/h Discoverer Calsium deep cycle battery


    The system is also solar ready, which will follow shortly by means of two 80W panels.

    At the moment I am running a 56l Snowmaster freezer and a few 12 v led lights and other smaller stuff from the system.

    If you want to do it yourself - get a proper crimping tool.
    Enjoy!!

    Thanks to Elders, Fluffy, Eggie, SarelF and ALL the others that did the Thread on this.
    Last edited by hatjohan; 2019/03/17 at 05:44 PM.



  12. #11
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    Default Re: Loadbox charging

    Quote Originally Posted by hatjohan View Post
    Indeed! It gave me the confidence to do my own installation. I went for the NL DC-DC and Bat box. Why do you need confidence? In the end it may be a straight forward job, but do it wrong, that very expensive vehicle of yours may go up in flames. Or you may be left stranded with warm beer
    Why did I do it myself? For the enjoyment of the project and satisfaction a well-done job gives me.
    Why did I do it myself? Because if things go wrong in the bush you know exactly what's going on with your system.
    Last edited by DC Polokwane; 2019/03/18 at 07:30 AM.
    Jeep Grand Cherokee 2002 4.7 V8

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