Originally Posted by chibosader
I need to figure out how to replace my pedal drive with an electric motor, I don't think they make any specific mounts for my kayak yet, but I may be wrong. I just got my new kayak this week, a Vibe Shearwater 125, but these JUST got released and shipped out a few weeks ago. Hopefully I can figure out a way to do it. On the battery front, I don't think I can much help you on the cheap. I have purchased 3 batteries, for various situations.
I have a HUGE 70 lb SLA battery, that I believe is closer to 200ah, for a super long day at max, somewhere I can launch straight from the truck and I don't have to carry that big old thing. Also requires the battery up front... just for balance.
I then figured I'd spend about 100-150 bucks, and got 50ah AGM battery, Less than half the weight, and so much easier to move around. This thing has been great!, got it in a nice battery box too. In the box, its a little bulky still. I've never run out of juice, but the longest trip since I got it was only about 7 hours out.
Lastly, I have a 50ah LiPO battery. This thing was EXPENSIVE! even on sale. If I recall, with a promotional offer, I paid around 300 dollars for it. There is also some concerns with LiPO batteries for voltage, some claim they output 14+ volts, and if you run your motor at max for extended periods it may damage it. Overall weight on the LiPO is ~12 lbs. It is less than half the size of my 50ah agm, and about half the weight. A godsend for portability. I have yet to use it, I received the battery after this shutdown and I haven't had time to take the trip to find somewhere open to try it out. The claims I had read were Lithium batteries you could drain straight down to 0%, with no worries of damaging it, they output the same voltage regardless of charge, and they are SO much lighter AND smaller.
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