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  • how to solar charge batteries?

    i keep my boat stored in a lot with no electrical. my 17 has a 24 volt minn kota up front which is depleted after each use. i have no way of charging them except by bringing boat to the house and plugging up over night, which HOA doesnt like. all solar i have looked at simply keeps a battery charged. it doesnt actually charge a depleted battery. any way to do this within reason? only other way i can think of is to chain a generator to the fence and let it work... Thanks for all input!
    Matt221[br]\'89 Mako 221 w/ Zuke 250[br]\'77 Mako 17\' Angler (under construction)[br]Auburn,AL[br]

  • #2
    quote:


    Originally posted by Matt221


    i keep my boat stored in a lot with no electrical. my 17 has a 24 volt minn kota up front which is depleted after each use. i have no way of charging them except by bringing boat to the house and plugging up over night, which HOA doesnt like. all solar i have looked at simply keeps a battery charged. it doesnt actually charge a depleted battery. any way to do this within reason? only other way i can think of is to chain a generator to the fence and let it work... Thanks for all input!



    A buddy of mine with a sailboat uses a large solar panel that can be in the weather. You could lay it flat on the deck. He uses a voltage regulator and can keep his refrigerator running on the power that it puts out and charge his batteries.

    He bought it all on Amazon for less than $200.
    \'07 Mako 19 bay, sold[br]\'76 Mako 21, sold[br]\'77 Mako 21, dump[br]\'77 Mako 22, sold[br]\'80 Mako 23 WA, sold[br]\'82 Mako 21, sold[br]\'85 Mako 254 currently[br]\'78 J24 USA 292 (sold)[br]\'05 Melges 32 racing sailboat

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    • #3
      How quickly do you need them charged? Overnight or for the following weekend?
      [br]Michael R. Delgado[br]1972 Mako 22[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=15745[br]1976 Mako 25[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=18013&SearchTerms=mako,25[br]

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      • #4
        just following weekend would be nice
        Matt221[br]\'89 Mako 221 w/ Zuke 250[br]\'77 Mako 17\' Angler (under construction)[br]Auburn,AL[br]

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        • #5
          I've been using a 5 watt panel on my starting batt (1000 CCA) and another 5 watt panel on my House batts (two group 31 deep cycles). I'm on a mooring most of time. I've had this setup for 14 years now and always came to the boat with batts topped off.

          For you I would say a 5 watt for starting and 10watt for trolling batts. And get a good Controller. I've been running these Battery Minder controllers for the past 5 years now. I need to replace them this year since the screws are rusting out.

          https://www.batterymart.com/p-021-11...iABEgIuYvD_BwE

          And get a panel that can stow easily in the boat, unless you plan on leaving them in the car.

          Just to back up a bit. I started off with the Battery minder kit. the panels outlast the controllers. that's why i'm running the battery tender controllers. they handle 5-45 watts. once battery is fully charged, they shut off. they don't trickle charge like most and overcharge.

          https://www.rvupgradestore.com/Batte...1CDE3C8661CA13

          that's my .02 watts.....i mean cents []
          [br]Michael R. Delgado[br]1972 Mako 22[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=15745[br]1976 Mako 25[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=18013&SearchTerms=mako,25[br]

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          • #6
            You're certainly not the first to require a large amount of power and then worry about a source of energy.

            Here's a little vid of a similar issue and how they worked through the issue.

            https://youtu.be/f-77xulkB_U

            D-
            Current Mqko - 1990 Mako 211 w/2006 250 E-TEC. http://www.classicmako.com/forum/topic.asp?TOPIC_ID=6226. [br]- Previous Makos 1987 20C, 1979 23\' IB, 1970s 17 Angler

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            • #7
              quote:


              Originally posted by dtmackey


              You're certainly not the first to require a large amount of power and then worry about a source of energy.


              Here's a little vid of a similar issue and how they worked through the issue.

              https://youtu.be/f-77xulkB_U

              D-


              HA! classic!!

              Thanks for the info Delgado.[)][)] that puts me on the right track
              Matt221[br]\'89 Mako 221 w/ Zuke 250[br]\'77 Mako 17\' Angler (under construction)[br]Auburn,AL[br]

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