Maker Pro

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    Swapping batteries for Fish Finder

    I has hoping to hook up a rechargeable battery that would last a day of fishing, 4-6 hrs. Ya, my electrical knowledge is limited. Its been many years since I took electronics and physics classes in highschool. The info for my sonar fish finder that I gave is what was in the owners manual. I...
  2. C

    Swapping batteries for Fish Finder

    Hi, I bought an old Sonar Fish Finder that I want to use for ice fishing. I don't want to lug around a full size marine battery. Which 12 volt batteries could I use without damaging my Fish Finder or blowing lots of fuses? Here is some info on the fish finder, Voltage- 12 volts (operates 10-15...
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