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Battery for electric trolling motor?
#4
I will back up 100 % what has been said. Your not going to be happy with a Motorcycle battery.
I have been using a Minn Kota 40 pound thrust endura motor for 4 years. A friend of mine got a 30 pound. After he got the 30 he got a used 50 pound thrust. We had the opportunity to test all three motors with two different batteries. Both batteries were deep cycle Marine. One was a series 24, and mine was a series 27.

We mixed and matched all three motors and both batteries. What we found was actually quite interesting. The 30 pound thrust had the same maximum speed as the 40 and the 50. The 50 gobbled up batteries like a pig on corn. The 30 pound with the series 24 had the same speed and battery life as my 40 with the series 27 battery.

We tested them with our motors dragging us backwards ( this is the normal way for use tooners) not wind to speak of. We were dragging only one leg to cut down on the resistance in the water. We got 3.2 MPH out of all three motors. The 50 gave 2 miles with the series 24. The 30 had almost 6 miles with the 24.
I got 7 miles or 7 hours of trolling at 1 mph with the series 27 but the max speed was still 3.2.

My buddy got rid of the 50 and traded it for another 30. If we race my boat is a pinch faster maybe. He as a FC cougar I have a Sportsman 9. His pontoons are a little wider so that is probably the reason. These results show that a 30 is a very good size for a pontoon and the 40 doesn't give that much more, and the 50 is way over kill and adds nothing to a pontoon but extra weight. I never tested the 40 with the series 24 battery but I know I would get less time and miles than what the 30 did. The best match would be a 30 with a series 27 battery for the longest life and that adds up to longer trolling time if that is the thing you want to do.

I used mine a lot for trolling for walleye. The Electric motor will slow down to a crawl or get right along with the bite is super hard and fast.

Ron
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Re: [BorntoFish01] Battery for electric trolling motor? - by idahoron - 07-10-2013, 01:59 AM

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