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  1. #11
    Site Sponsor Cahriad's Avatar
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    Quote Originally Posted by Heavysledz View Post
    Your truck charging is limited due to the wire gauge and amp rating of the 7-pin pigtail. If you slap on some solar, that will also augment the charging while enroute and let you take advantage of all of that free Arizona sunshine.
    There is also the option of bypassing the 7 pin circuit by adding a DC to DC charging circuit from his alternator. There are several vendors that make the dc to dc charger.
    Reflection 297RSTS 2018
    Ram 2500 Laramie 6.4 Hemi

  2. #12
    Seasoned Camper
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    Quote Originally Posted by Cahriad View Post
    There is also the option of bypassing the 7 pin circuit by adding a DC to DC charging circuit from his alternator. There are several vendors that make the dc to dc charger.
    Agreed....I have a full compliment of Renogy solar equipment in my slide-in camper and am planning on adding their DC-DC charger to augment my charging options since I use this setup primarily for boondocking when not "glamping" in the GD.

    Click image for larger version. 

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    Jeff and Debbie
    2021 Imagine 2250RK
    2015 Ram2500 Laramie CC 6.7 Cummins Diesel w/air-ride auto leveling
    USMC Veteran

  3. #13
    Rolling Along RV Sailor's Avatar
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    Congrats on getting unchained

    Using the 7 pin will only not make much addition in 4 hours
    Add solar or dc to dc charger.
    Donna and Dave
    Annapolis, Maryland
    2021 Grand Design Imagine 2500RL / Dodge Ram Longhorn 2500 6.4 Hemi
    350 W Newapower Solar: 3000 Victron Inverter/ Charger: Firefly Oasis carbon foam AGM

  4. #14
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    Add solar, especially if your camping in the western states.
    Location - Wherever the road takes us...Full-timers
    2015 Momentum 380
    2019 Ram Dually

  5. #15
    Seasoned Camper Extreme's Avatar
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    Where can I find your review of the park?

    Thanks.

  6. #16
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    Quote Originally Posted by Extreme View Post
    Where can I find your review of the park?

    Thanks.
    Not sure who this question is for?
    Location - Wherever the road takes us...Full-timers
    2015 Momentum 380
    2019 Ram Dually

  7. #17
    Seasoned Camper Extreme's Avatar
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    Sorry that was my mistake...My Bad.

  8. #18
    Fireside Member
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    With the small wires and voltage drop from front of your truck to the RV battery, your lucky if it will get 8 amps of charge.

    Figuring 4 hours driving, so 32Ah or 15% added back in to 155Ah out of 206Ah.

    Just a rough guess mind you.

  9. #19
    Seasoned Camper
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    Quote Originally Posted by deeuubee View Post
    With the small wires and voltage drop from front of your truck to the RV battery, your lucky if it will get 8 amps of charge.

    Figuring 4 hours driving, so 32Ah or 15% added back in to 155Ah out of 206Ah.

    Just a rough guess mind you.
    Keep in mind the actual voltage....you need to exceed the battery voltage when charging in order get it to charge....if your voltage drop is significant enough, you may not see any charge from the TV.
    Jeff and Debbie
    2021 Imagine 2250RK
    2015 Ram2500 Laramie CC 6.7 Cummins Diesel w/air-ride auto leveling
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  10. #20
    Site Sponsor SolarPoweredRV's Avatar
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    Quote Originally Posted by deeuubee View Post
    With the small wires and voltage drop from front of your truck to the RV battery, your lucky if it will get 8 amps of charge.

    Figuring 4 hours driving, so 32Ah or 15% added back in to 155Ah out of 206Ah.

    Just a rough guess mind you.
    Yes to the above, however, the LiFeP04 battery operates differently from a Lead Acid battery. Basically, the LiFePo4 battery operates at a higher voltage than the Lead Acid batteries and the LiFePo4 batteries do not experience the voltage drop that Lead Acid batteries do as they discharge. The voltage drop is what triggers the alternator to start charging the LA battery, with very little voltage drop, the alternator may not sense that your LiFePo4 battery needs to be charged and will not add any charge to the battery as you drive.

    The best solution to charge your LiFePo4 battery while driving is to install a DC to DC converter that can up the voltage coming out of your truck to the 14.4v to 14.8v that your LiFePo4 battery needs for charging. Installing a DC to DC converter has the added advantage of protecting your truck's alternator from being over used (by the LiFePo4 battery) and burning out.
    David and Peggy
    2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
    Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
    Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
    Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
    2018 Solitude 310 GK

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