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Thread: Lithium Battery

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    Lithium Battery

    Hi, I am thinking about replacing the AGM battery in my 2024 303RLS to a lithium. I read about EPOCH batteries and their reviews were really good. They have one that is very similar in size to my AGM but offers 300Ah, Heated & Bluetooth. The reason for upgrading is that I would like to be able to run my 12 volt fridge, TV and LED lights for 2-3 days without shore power.

    Does anybody have any experience with EPOUCH lithium batteries?

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    Site Team Second Chance's Avatar
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    Thread moved to Electrical System and Wiring.
    @SolarPoweredRV may have some knowledge of the battery brand you're asking about.

    Rob
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    Quote Originally Posted by pigag1 View Post
    Hi, I am thinking about replacing the AGM battery in my 2024 303RLS to a lithium. I read about EPOCH batteries and their reviews were really good. They have one that is very similar in size to my AGM but offers 300Ah, Heated & Bluetooth. The reason for upgrading is that I would like to be able to run my 12 volt fridge, TV and LED lights for 2-3 days without shore power.

    Does anybody have any experience with EPOUCH lithium batteries?
    Looks like those batteries are a bit more expensive than some, but may be worth it. Will Prose, who has helped me learn about the solar and battery world, does a comparison on YouTube: https://www.youtube.com/watch?v=66lHr-DFNIE
    Stephen and Judy
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    Site Sponsor SolarPoweredRV's Avatar
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    Quote Originally Posted by pigag1 View Post
    Hi, I am thinking about replacing the AGM battery in my 2024 303RLS to a lithium. I read about EPOCH batteries and their reviews were really good. They have one that is very similar in size to my AGM but offers 300Ah, Heated & Bluetooth. The reason for upgrading is that I would like to be able to run my 12 volt fridge, TV and LED lights for 2-3 days without shore power.

    Does anybody have any experience with EPOUCH lithium batteries?
    I whole heartedly recommend upgrading to Lithium batteries.

    I would definitely view the video SoundSailor linked above.

    I am a bit concerned that a single 300ah battery might not store enough energy to meet your stated goal of 2 - 3 days boondocking without some way to recharge it, either Solar or Generator.

    I think, with your modest energy usage as stated above, you could easily add a ground deployed Solar panel (100 Watt +) that would easily allow you to reach 3 days, or more, of boondocking. Another way to meet your stated goal would be to buy a pair of batteries, I think you could reach 3 days of boondocking on stored energy alone with a pair of 300ah batteries.

    I noticed that you live a bit far to the North, will you need to run the furnace during any of your boondocking trips? If yes, then you would definitely need some method to recharge the battery daily, because, the furnace eats up a lot of electric energy when it is operating (unless you buy the pair of 300ah batteries).

    I would suggest you start with one battery and go camping in a campground with an electric hookup, don't hook your camper up to the electric and camp exactly as you would if you were boondocking. This will let you know how many days you can get by without recharging your battery. Then you can make the decision on buying the second battery and/or adding a ground deployed Solar panel.

    Good luck, and please let us know what you decide, and how long you are able to boondock.
    David and Peggy
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    Seasoned Camper Conner58's Avatar
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    One battery with solar panels will work great or 2 batteries and no solar .
    2019 super duty 6.7
    2021 solitude 2930rl
    1236 ah of Sok lithium 1200 watts of solar.

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    Setting Up Camp
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    I appreciate your replies. I should have mentioned that I my trailer came with two solar panels producing 370W.

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    Seasoned Camper RoJoSo's Avatar
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    Your options are many.
    I would even think of a DC to DC charger too.
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    Last night, I tested my AGM battery in my driveway. I unplugged shore power once the 12 volt fridge was at normal operating temp and left a couple LED lights on. The battery monitor was showing the battery was at 13.6 volt. After six hours, the battery was down to 12.1 volt. This is without opening the fridge doors and using other electric equipment. This is a bit disappointing as I would have expected to get 10-12 hours. I guess I will be pursuing the option of switching to a 300Ah Lithium battery to ensure I have plenty of power when spending a night without shore power.

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    Site Team Soundsailor's Avatar
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    Quote Originally Posted by pigag1 View Post
    Last night, I tested my AGM battery in my driveway. I unplugged shore power once the 12 volt fridge was at normal operating temp and left a couple LED lights on. The battery monitor was showing the battery was at 13.6 volt. After six hours, the battery was down to 12.1 volt. This is without opening the fridge doors and using other electric equipment. This is a bit disappointing as I would have expected to get 10-12 hours. I guess I will be pursuing the option of switching to a 300Ah Lithium battery to ensure I have plenty of power when spending a night without shore power.
    That's not all that surprising. It appears that you have the same frig as I do, mine averages out at about 90 Ah per day. Other "phantom" draws bring total consumption to 125 Ah per day before any other electrical needs. I'd suggest at least 200 Ah, the 300 Ah battery you mention in your first post would be even better.
    Stephen and Judy
    2022 Reflection 150 Series 260RD (Stella)
    2017 Chevy Silverado 2500 HD (Blue)
    Traded - 2018 Forest River Rockwood Minilite 2104S

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    Site Sponsor SolarPoweredRV's Avatar
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    Quote Originally Posted by pigag1 View Post
    Last night, I tested my AGM battery in my driveway. I unplugged shore power once the 12 volt fridge was at normal operating temp and left a couple LED lights on. The battery monitor was showing the battery was at 13.6 volt. After six hours, the battery was down to 12.1 volt. This is without opening the fridge doors and using other electric equipment. This is a bit disappointing as I would have expected to get 10-12 hours. I guess I will be pursuing the option of switching to a 300Ah Lithium battery to ensure I have plenty of power when spending a night without shore power.
    Experiments like yours are the best way to figure out your ACTUAL energy needs.

    Personally, we tested our system with a 30 day stay at a campground about an hours drive from our home. During that time, we determined that we had enough battery storage to get by, but we decided to double our battery capacity and we are very happy we did. Now, we have very few limits on our Boondockong adventures.
    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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