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Hooking up solar panels through 7 pin trailer connection

RayJim
RayJim Member Posts: 145
in Battery/Electrical & Solar
Has anyone used this adapter to connect your trailer batteries with solar panels? 

 
2021 T@B Boondock 400. 2021 Toyota SR5 V6
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Comments

  • Ikanizer
    Ikanizer Member Posts: 11
    I made my own and it works fine. I plug it into the suitcase solar panel controller which provides a convenient place to plug in the Starlink mini. The power wiring between the 7 pin connector and the battery is 10 AWG. 2023 400. 
    2023 400
    2021 F150 2.7l 
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  • AnOldUR
    AnOldUR Member Posts: 1,725
    It will work as an easy, less efficient alternative to buying a panel without an onboard controller and adding a solar port so that you can mount the controller close to the battery.
    Stockton, New Jersey
    2020 nuCamp T@B 320S * Jeep Wrangler
    60,865 camping miles through the end of 2025

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  • pthomas745
    pthomas745 Administrator, Moderator Posts: 4,527
    edited January 7
    This sort of thing was brought up in the Forums back in 2018, with the "Anyone Carry a Spare Battery" thread.  I still have mine that I can use with my portable solar panel.  With the proper adapters, you can plug a "spare" battery into the 7 pin and power the trailer if you wanted.   (With the trailer battery switch off).  I still have mine and use it from time to time.  The threads and comments below show the original idea.
    2017 Outback
    Towed by 2014 Touareg TDi
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  • tphaggerty
    tphaggerty Member Posts: 77
    Made one as well. Don't use it much as I put an SAE port where the old battery box vent is on the 2018 400. Worked fine, just a bit clunky. 
    2019 Honda Ridgeline RTL TV
    2018 T@B 400, 300Ah Renogy LiFePo batteries, 350W Renogy rooftop solar
    Poughquag, NY
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