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Old 29-06-2020, 19:34   #511
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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Originally Posted by Care2go View Post
As we are preparing to move aboard our boat, this has been excellent to follow and read. Thank you CNB for a well documented system and breakdowns. Much appreciated.

I plan to convert our FP 44 similar to yours except we don’t have a generator on board. I intend to offset that with enough solar and battery bank to not be concerned.

Thanks again
A battery bank only stores energy: it does not generate it. Without an ICE you will need to generate every needed kWh from solar and wind. The battery bank is just to overcome the period that there is no energy production, like the solar array idle at night.
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Old 29-06-2020, 20:07   #512
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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Originally Posted by s/v Jedi View Post
A battery bank only stores energy: it does not generate it. Without an ICE you will need to generate every needed kWh from solar and wind. The battery bank is just to overcome the period that there is no energy production, like the solar array idle at night.

That is what CNB points out clearly. You can easily produce enough power with solar generation for a LIFEPO4 battery system. All of this can be done while have electric range, washing machine, hot water heater etc. I really believe that the “essential ICE” will continue to be replaced. Difference in agreement aside.
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Old 29-06-2020, 20:49   #513
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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That is what CNB points out clearly. You can easily produce enough power with solar generation for a LIFEPO4 battery system. All of this can be done while have electric range, washing machine, hot water heater etc. I really believe that the “essential ICE” will continue to be replaced. Difference in agreement aside.
I mentioned this because you wrote you intend to offset lack of genset with more solar and more batteries. The “more solar” works but “more batteries” doesn’t
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Old 29-06-2020, 21:33   #514
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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I mentioned this because you wrote you intend to offset lack of genset with more solar and more batteries. The “more solar” works but “more batteries” doesn’t
actually the more battery forage does work as long as it is adequately balanced with solar , wind, and or hydro.
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Old 30-06-2020, 00:14   #515
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

More batteries is a good thing too, it gives you resilience for some cloudy days in series or when the sails shade the panels on long passages.
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Old 30-06-2020, 02:49   #516
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

And more batteries are also a good thing for those days, at least with our pattern of cruising which for now is time constrained, when cruising inevitably involves motoring someplace. If the bank gets full too soon then effectively one is wasting free charging.
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Old 30-06-2020, 08:56   #517
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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And more batteries are also a good thing for those days, at least with our pattern of cruising which for now is time constrained, when cruising inevitably involves motoring someplace. If the bank gets full too soon then effectively one is wasting free charging.
no that point is where you start the watermaker or the rice cooker or the holding plate refer .

However if you are so time constrained then you chose the wrong type of boat.
Sailboats have no schedule.
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Old 30-06-2020, 11:26   #518
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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More batteries is a good thing too, it gives you resilience for some cloudy days in series or when the sails shade the panels on long passages.
Yes, you mean for the periods that there is no power generation... like I wrote night time was just an example.
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Old 30-06-2020, 14:07   #519
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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no that point is where you start the watermaker or the rice cooker or the holding plate refer .

However if you are so time constrained then you chose the wrong type of boat.
Sailboats have no schedule.
Well, in the world in which I live I unfortunately don't have control over the wind (or too often lack thereof) and I do at times have a schedule to keep. But if as a result I have to motor say 20% of the time then I don't for a moment think I have the wrong type of boat.

In fact, in choosing my boat light air performance was a major consideration. We have SA/Disp of 25 which to most people places us towards the performance end of the cruising boat spectrum. We see plenty of people motoring when we're sailing.

I'd simply like to capture more of the possible amp hours from that 20% of the time spent motoring. Hence more battery capacity is in the works.
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