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  1. #1
    Seasoned Camper teamam's Avatar
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    Batteries what to do with over winter

    Hey guys

    Was wondering if I should remove my batteries while my unit is in storage for the winter will March?

    Should I put on a trickle charge if so what are you guys using

    Brett
    2015 RAM 3500 Crew Cab Laramie Diesel
    2016 375RE
    Pullrite 2900 Superglide hitch
    Wife and program director, Nancy
    2 Labradors, Abby and Willow

  2. #2
    Site Sponsor dchrist1733's Avatar
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    I bring mine in for the winter and put it in my basement, then I charge it once every two weeks for about 24 hours with a trickle charge from a battery charger. That seems to keep it in good shape for the next Spring.

    Debby - Stafford, Virginia
    2017 Grand Design Solitude ST374TH
    2012 GMC Denali 3500HD DRW

  3. #3
    Seasoned Camper teamam's Avatar
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    Thx so much what trickle charger do you use?
    2015 RAM 3500 Crew Cab Laramie Diesel
    2016 375RE
    Pullrite 2900 Superglide hitch
    Wife and program director, Nancy
    2 Labradors, Abby and Willow

  4. #4
    Site Sponsor Cate&Rob's Avatar
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    One alternative is to fully charge the batteries and then completely disconnect them.
    They will still be safely over 50% state of charge, up to 5 months later.

    Rob
    Cate & Rob
    2015 Reflection 303RLS

  5. #5
    Site Sponsor dchrist1733's Avatar
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    I use a Sears Die Hard Battery Charger. I bought the better one because it is for auto and marine batteries which the batteries in an RV are Type 2. It works great. I have always removed mine during the cold months because I was told the cold weather effects the acid in the battery not sure if that is true or not was told that by a mechanic.

    Debby - Stafford, Virginia
    2017 Grand Design Solitude ST374TH
    2012 GMC Denali 3500HD DRW

  6. #6
    Site Sponsor Cate&Rob's Avatar
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    Attached is some information from Trojan on battery storage.
    A lot of good info here, but key is that battery self-discharge rate reduces significantly at colder temperatures.
    Per their Figure 1, at a temperature of 42F (the blue line) after 19 weeks (nearly 5 months) state of charge should still be over 75%. At colder temps, this remaining state of charge will be even higher.

    Trickle charging is obviously not going to hurt, but is not necessary. The important thing is to make sure that there are absolutely no parasitic drains on the battery . . . i.e. disconnect at least the negative terminal.

    Rob
    Attached Thumbnails Attached Thumbnails WP_DeepCycleBatteryStorage_0512.pdf  
    Cate & Rob
    2015 Reflection 303RLS

  7. #7
    Seasoned Camper 2825Matheny's Avatar
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    Winter Battery Maintenance

    I have my batteries in the warm basement hooked up to a PulshTech desulfator/maintenance charger.
    Does this type of charger really work?
    I do not know for sure, but their literature makes them sound pretty good.
    I can't wait until it warms up and we can install these batteries, flood the water system, and get some campfire nights in.
    Attached Thumbnails Attached Thumbnails 100X010.PDF   12545844_939070442836883_1019691128_o.jpg  
    Peggy and Jamey Matheny
    2016 Grand Design Solitude 5th Wheel 369RL Serial #G1104808
    As of 19 April 2019, 792 nights and 23,887 trailer miles.
    2015 Ford F-250 4X4 Super Cab SRW 148" WB 6.7L Powerstroke Diesel

  8. #8
    Seasoned Camper teamam's Avatar
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    Rob just checked the batteries and is down to less than 25% left have not used in a about 2 months
    2015 RAM 3500 Crew Cab Laramie Diesel
    2016 375RE
    Pullrite 2900 Superglide hitch
    Wife and program director, Nancy
    2 Labradors, Abby and Willow

  9. #9
    Site Sponsor Cate&Rob's Avatar
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    Quote Originally Posted by teamam View Post
    Rob just checked the batteries and is down to less than 25% left have not used in a about 2 months
    Teamam,

    Are your batteries completely disconnected ? As in "cable removed from battery terminal" . . . not just "main switch turned off". Down to 25% sounds about right with parasitic loads like CO detector, entertainment memory, etc.

    Rob
    Cate & Rob
    2015 Reflection 303RLS

  10. #10
    Seasoned Camper teamam's Avatar
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    Just the main switch off at this time
    2015 RAM 3500 Crew Cab Laramie Diesel
    2016 375RE
    Pullrite 2900 Superglide hitch
    Wife and program director, Nancy
    2 Labradors, Abby and Willow

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