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Thread: Solar panel wired for 36V/3 bank charger?

  1. 01-22-2017, 11:22 AM #1
    Predator861
    Predator861 is offline Slabmaster II
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    Default Solar panel wired for 36V/3 bank charger?


    I've got a new boat on the way, 25' w/ merc 350, 112lb ulterra. Buddy told me on those windy days that I will likely run out of trolling battery. I was wondering if there was a way to rig up a solar panel with an inverter and female plug to plug into my 3 bank charger? How big of a solar panel would I need? Would the panel be big enough to produce enough V to power the 3 bank changer to get any charge on the trolling batteries?

    I know now I can just get the solar panel with the alligator clips and rotate battery to battery. Just trying to figure out an easier way. Another buddy recommended I just get a small Honda generator. Wouldn't always need it, but some weekends me and a few buddies will go out in the guff and camp out on an island. So I'd need someway to recharge either throughout the day (solar) or over night (generator). Any suggestions/help?
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  2. 01-22-2017, 01:02 PM #2
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    Spaceman
    Spaceman is offline Crappie.com 3K Star General * Crappie.com Supporter
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    First, congratulations on the new boat.
    I am no expert on solar panels but I did sleep at a holiday Inn express. And, there was a recent post discussing this very topic.
    I do not believe most solar panels will generate/provide sufficient wattage for your desires/needs. I'll let the more technical guys jump in with their expertise.
    Having grown up in Gulfport, I used to spend many weekends on the barrier/Chandeleur islands...great fun and memories. Sounds like for your weekend/overnight adventures, a small Honda generator may be your best option. Besides, a generator would give you other options for powering weekend/overnight items. Just beware of carbon monoxide!
    Enjoy your new boat.
    Triton 190FS, 200hp Optimax, HB 798C HD & War Eagle 548LDV, HiTek, 30hp Mercury, HB 998C HD
    Fishing is a privilege...catching is a bonus. Enjoy each precious moment we have to experience our great outdoors!
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  3. 01-27-2017, 08:03 AM #3
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    CatFan
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    With a 3 battery system you probably won't run out of battery unless your TM batteries are way undersized.

    To get any appreciable charging from solar panels, you would need about 50W per battery. A 50W panel is about 4'X4'. You will need 3.
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