I am just in the planning stage at this point but a light cat build with somewhere between 2400 watts and 3000 watts seems doable with the quality of solar coming on stream now and in the next year or three.
My usage will primarily be cruising inland waters canals etc so lots of continuous no wake zones.
The draw from one or even if I wind up with two ray marine outboards or another brand( I haven't made final decision it will be a matter of what's available at the right price at the time) at the low cruising speeds will often be less than the solar output or just under.
So my thinking is a bit different than many on here. I think my battery bank will spend most of its life topped up.
What is the better battery for these conditions?
Thanks
Nick
Sent from my Bell Samsung device over Canada's largest network.
-------- Original message --------
From: "'P. Jeremy Baker' childscrick@yahoo.com [electricboats]" <electricboats@yahoogroups.com>
Date: 2017-11-07 12:38 PM (GMT-05:00)
To: electricboats@yahoogroups.com
Subject: Re: [Electric Boats] Re: Battery Banks
Amps or volts? I think you are referring to amps? Or current.
The voltage from the panels needs to be higher than the battery to push a charge into the battery.
If you have that much current from your solar and it matches you motor I suspect your motor may be a little small for the load? What are you trying to do.
Jeremy
If you have that much current from your solar and it matches you motor I suspect your motor may be a little small for the load? What are you trying to do.
Jeremy
On Nov 7, 2017, at 8:03 AM, 63urban 63urban@gmail.com [electricboats] <electricboats@yahoogroups.com> wrote:
What if you have a large solar panel bank the produces close to or in excess of your motor draw? What type battery bank is recomend ed?ThanksNick bSent from my Bell Samsung device over Canada's largest network.
-------- Original message --------
From: "cpcanoesailor@yahoo.ca [electricboats]" <electricboats@yahoogroups.com>
Date: 2017-11-07 10:39 AM (GMT-05:00)
To: electricboats@yahoogroups.com
Subject: [Electric Boats] Re: Battery Banks
I think it depends somewhat on the size of your motor compared to the AH capacity of your batteries. If you use 3 switchable banks, the Peukert losses will be greater, but you'll have fewer problems with balancing. You'll also have a system with built-in reserve.
If you have a large motor and small capacity batteries, Peukert losses are significant, so the parallel configuration will give much better performance than three switchable pairs.
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Posted by: 63urban <63urban@gmail.com>
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