I have read and heard about some guys with rays running there motors up and extra 12 volts. I don't have a ray but I do have a electric outboard that runs 36 volts unfortanitily my boat is only a 14 footer and I'm in no possison to by a bigger boat. Right now it runs off 12 volt batteries because I don't think my boat can handle 6 6 volts. If any of you guys do this can point my into the right direction on how to go about it or how it works that would be great. Also if anyone runs 12volt batteries can tell me what they use and how long there boat lasts a day that would be great.
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Going from 36v to 48v is a lot different than going from 60v to 72v so be careful. Anytime you are running a motor with a higher voltage than designed you are certainly going to shorten the time untiil service is needed. Just how much shorter - no one knows for sure but it will happen.
While the six volt batteries are heavier, you will get a longer run time when using similarly amp rated 6 volt batteries vs. 12 volt batteries. Likewise, as soon as you boost the voltage (say from 36v to 42v or 48v) you will travel faster but go through your power faster as well. It's all a give and take.
Rob Bertazon
Thanks for the info. In the end it seems like its not worth it to up the voltage with the risk of harming the motor. I wish I could add 6 volt battery's but I don't think the boat could handle them. I will settle for shorter runs and shorter days then risk putting too much weight in the boat.
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