Charge Trailer Battery via BH Plug




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  1. #1
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    Default Solar Charge Trailer Battery via BH Plug

    Good Afternoon

    Hope everyone is well. Recently both a 2008 Conquest Conqueror and planning our first long Overland trip. Factory setup has a BH plug
    that connects to vehicle or AC Plug from 220v supply feeding a controller board which charges the trailer battery. Just wondering if I cant connect a solar panel directly to the BH plug that normally connects to my vehicle for charging when in camp? Do I need any other equipment to charge the battery in this way via solar?

    Kind regards,
    Last edited by FatHuey; 2018/10/04 at 03:53 PM.

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  2. #2
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    Default Re: Solar Charge Trailer Battery via BH Plug

    If that plug is used for the vehicle charging the trailer then it can charge with solar as well. This is what I do.

    Assuming your charge controller supports solar.
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  3. #3
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    Default Re: Charge Trailer Battery via BH Plug

    Just a solar regulator between panel and BH plug.
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  5. #4
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    Default Re: Charge Trailer Battery via BH Plug

    Yes you can use the BH plug as the input from Solar.

    Just make-up your Solar Controller that input to and out-put from Controller/Regulator is before the BH-plug. '

    Will get a pic tonight off what we use and share tomorrow. Been using for many years without issues.

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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by Hollebollegys View Post
    Just a solar regulator between panel and BH plug.
    Do not place it after the plug as the power comming from your vehicle cannot go through the regulator. The regulator cannot handle the amps for the vehicle alternator. It has to be between the panel and the BH plug.

  7. #6
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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by Martinj View Post
    Just make-up your Solar Controller that input to and out-put from Controller/Regulator is before the BH-plug.
    Explain?

    I donít have a controller on the panel. The controller is in the trailer.
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  8. #7
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    Default Re: Charge Trailer Battery via BH Plug

    Thanks everyone. Sounds straight forward. What watt panel would be suitable to charge the trailer battery? Any recommended charge controllers?

    Regards

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  9. #8
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    Default Re: Solar Charge Trailer Battery via BH Plug

    Quote Originally Posted by FatHuey View Post
    Just wondering if I cant connect a solar panel directly to the BH plug that normally connects to my vehicle for charging when in camp? Do I need any other equipment to charge the battery in this way via solar?
    It could be possible to connect the solar to the vehicle's BH , but maybe first check with the manufacturer.
    Last edited by JLK; 2018/10/04 at 07:45 PM.
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  10. #9
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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by FatHuey View Post
    Thanks everyone. Sounds straight forward. What watt panel would be suitable to charge the trailer battery? Any recommended charge controllers?

    Regards
    The size of the panel is very much dependent on what is used, and what is to be recharged. On our van we have a 150w panel on the roof, and this charges 2x 105ah batteries, via a 20amp controller. in the van we have a NL 90litre fridge and 4 led lights that are used

  11. #10
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    Default Re: Charge Trailer Battery via BH Plug

    Thanks once again. I found this on the web:

    https://optimate-battery-charger.co....-40w-tm-523-4/

    Also available in higher wattage panels. Looks like what I need. Anyone used these panels before? Comes with charger and cables.

    Kind regards

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  12. #11
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    Default Re: Charge Trailer Battery via BH Plug

    Check with Conqueror for feasibility and specs. Ask for their advice on panels.

    https://www.4x4direct.co.za/509-solar-power and http://www.bushpower.co.za/product-category/rentals/ for buying panels.
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  13. #12
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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by FatHuey View Post
    Thanks once again. I found this on the web:

    https://optimate-battery-charger.co....-40w-tm-523-4/

    Also available in higher wattage panels. Looks like what I need. Anyone used these panels before? Comes with charger and cables.

    Kind regards
    Expensive and you might only need panels depending on your charger/controller, check with Conquerer.
    Jeep Grand Cherokee 2002 4.7 V8

  14. #13
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    Default Re: Charge Trailer Battery via BH Plug

    Will do. Thanks everyone.
    Last edited by FatHuey; 2018/10/13 at 09:21 AM.

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  16. #14
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    Default Re: Charge Trailer Battery via BH Plug

    Instead of getting one 100w panel, I was wondering if I could wire 2 50w panels to the same controller in parallel. That way I could join them together with a hinge saving packing space. Would that work?

    Kind regards,

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  17. #15
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    Default Re: Charge Trailer Battery via BH Plug

    Yes. And if you can, go for 2 x 80W panels. Check the dimensions. See 4x4Direct 80W panel.
    Last edited by Dungbeetle; 2018/10/13 at 01:18 PM.

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  19. #16
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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by Dungbeetle View Post
    Yes. And if you can, go for 2 x 80W panels. Check the dimensions. See 4x4Direct 80W panel.
    This is better, go for as much wattage as you can!

  20. #17
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    Default Re: Charge Trailer Battery via BH Plug

    Last edited by Jack Russell; 2018/10/13 at 03:19 PM.

  21. #18
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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by Jack Russell View Post
    And horrendously expensive...
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  23. #19
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    Default Re: Charge Trailer Battery via BH Plug

    Quote Originally Posted by Dungbeetle View Post
    And horrendously expensive...
    Because it works properly. Thin film Mono crystaline vs poly crystaline. I go for 3 weeks without a hiccup using only 2x 79W flex panels. Yes they are expensive, but so is replacing the contents in the fridge and freezer...
    Last edited by Jack Russell; 2018/10/14 at 08:00 AM.

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