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Battery for Watersnake and Fishfinder

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As above separate battery for electric motor. You could get a smaller 12v 24amp hour battery for the sounder this would not take up much room and would be lighter than full sized battery. Easy to recharge and easy to manage.


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Your Garmin probably won't need much of a battery to run it.  When I had a tinny I used a small 12V battery such as alarm systems use.  If it's going to be in a tinny, you will want to strap it down securely so that the sparks stay on the inside.


If you buy a spare power cable, the big plus is that you can then take battery, power lead and Garmin to somewhere comfy when you want to load GPS marks.

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