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Posting a reply to: Re: maxing amp-hours with 12V trolling motor

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hi


You are replying to:
jaultman
Posted 5/26/2016 8:10 AM (#818267 - in reply to #818263)
Subject: Re: maxing amp-hours with 12V trolling motor




Posts: 1828


Fishysam - 5/26/2016 8:00 AM
As the battery dies you go from power 3 to say 7... Heat is a waste of power and I bet one battery trying to run at 7 on the troller makes more heat.

This makes sense. As the voltage drops in a battery, the current has to increase to meet the same power demand. More current means more heat loss, so then the battery is running less efficiently.

So running two in parallel maxes the amount of time that the batteries can be more efficient, i.e. work at the high end of their voltage curve.

Thanks!

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