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  1. #1
    Setting Up Camp Widget's Avatar
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    Wiring Refrig to run on interverter while driving

    I have a 2021 Imagine 2800bh with a Dometic frig gas/elec which I want to install an inverter which will allow me to run down the road without propane.

    Has anyone done this? I would like to know your experience with this.

  2. #2
    Rolling Along
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    Do a Search for "inverter installation" and you should come up with tons of reading.

    Does you fridge not work well on propane?
    Howard and Peggy
    2019 Momentum 351M, and 2001 Dodge Cummins dually 6-speed.
    His: 1999 Honda Interceptor
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    Site Team Second Chance's Avatar
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    The Dometic absorption refrigerators use two electric heating elements when running on electric only and they have a high current draw. Running that fridge on electric only with an inverter from a battery will drain a battery in no time. You're much better running it on LP while not plugged into shore power.

    Rob
    U.S. Army Retired
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    Generally speaking, people who run their fridge off an inverter have seriously upgraded their batteries.
    Howard and Peggy
    2019 Momentum 351M, and 2001 Dodge Cummins dually 6-speed.
    His: 1999 Honda Interceptor
    Hers: 2013 Spyder ST-S

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    Setting Up Camp Widget's Avatar
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    I think we will use our Titan Solar generator battery which provides enough current to run a household. Hopefully that will take care of it.

    Thanks for your quick response.

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    Site Team Second Chance's Avatar
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    Quote Originally Posted by Hoopy Frood View Post
    Generally speaking, people who run their fridge off an inverter have seriously upgraded their batteries.
    ... and have compressor refrigerators.

    Rob
    U.S. Army Retired
    2012 F350 DRW CC LB Lariat PS 6.7
    2020 Solitude 310GK-R, MORryde IS, disc brakes,
    Sailun LRG tires, solar, DP windows, W/D
    (Previously in a Reflection 337RLS)
    Full time since 08/2015

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    Rolling Along huntindog's Avatar
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    I can run mine off of the factory inverter. It draws about 55 amps from the batteries. With my battery bank and solar, it works really well.... But for most people, it is not really doable.
    2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
    Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1380 watts solar.
    800AH BattleBorn Batteries No campgrounds 100% boondocking
    2020 Silverado High Country 3500 dually crewcab Duramax Allison

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    It might work, but for piece of mind you will need a 60A DC-DC charger set up off the TV battery https://www.renogy.com/12v-60a-dc-to...ttery-charger/

    I am just starting this project to be able to run the fridge on AC when traveling. I have 4-6V deep cycle batterys - 520 Ah and a test run I did without it got me 4 to 6 hours run time to 60% SOC and that is not enough to get me through the night to run my CPAP's (2) . With the DC-DC charger I should be fine.
    2018 Reflection 150 Series 220RK 5th wheel. Reese R20 Titan hitch, Steadyfast system, 2004 F350 6.0 Diesel King Ranch dually, Trailer reverse lights, rear spare tire holder, storage tube, sumo springs, Victron MultiPlus and Solar

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    Rolling Along huntindog's Avatar
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    Quote Originally Posted by Widget View Post
    I think we will use our Titan Solar generator battery which provides enough current to run a household. Hopefully that will take care of it.

    Thanks for your quick response.
    The battery in the titan has 74 AH available. That will only run the fridge for a little over an hour. Can you use the solar recharge while underway? If so, that would help...... a little.
    It has a Max of 80 amps charging. Real life means 40 amps would be what you will see.

    In short, the math just doesn't work well.

    On edit: Upon further reading I see that ths can be optioned several differeent ways.
    So what exactly do you have?
    IE" I see that one battery has 2000 WH available. If so, then that should run the frige for 3 hours.But a second battery can be added? Where dos that go? Doe it fit inside the generator? Or is it jumpered to it with wires? IOW, can this second battery be used while underway?
    Do you have the second battery? 6 hours of fridge time could be doable, 3, not sp much.At any rate, it would likely mean arriving at camp with a depleted battery(s). How many solar panels do you have? This is important, as I do not think that they can be used while underway, and you will need to recharge in camp, while using power at the same time. You can have up tp 2000 watts for this unit.
    Last edited by huntindog; 12-05-2021 at 04:28 AM.
    2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
    Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1380 watts solar.
    800AH BattleBorn Batteries No campgrounds 100% boondocking
    2020 Silverado High Country 3500 dually crewcab Duramax Allison

  10. #10
    Setting Up Camp Widget's Avatar
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    Cool

    Quote Originally Posted by Hoopy Frood View Post
    Do a Search for "inverter installation" and you should come up with tons of reading.

    Does you fridge not work well on propane?
    It does work on propane but we hoping to have better frig performance and cooling and not have to turn the propane off at each gas stop.

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