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Old Today, 14:58   #1
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Join Date: Mar 2022
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Marine Air generator and Li batteries

I recently installed 600 ah of Li batteries for a house bank and have an AGM start battery.
The Li bank is charged by a dc to dc converter and 500 watts of solar from a mppt controller.
The system so far works great, better than expected.

Now, should i hook the Air Marine wind generator to the start battery and let the dc to dc controller handle the output to charge the house bank?
I would not replace the wind generator or purchase another one but as long as it is installed I might as well use it.
Thanks for the comments
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Old Today, 17:11   #2
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Re: Marine Air generator and Li batteries

The voltage controllers on most wind generators are fairly crude, and not as adjustable as a solar controller or DC2DC would be. Many windgen controllers are nor even adjustable.
For those reasons I would connect it to the AGM start battery, and let your existing dc2dc charger do the charging of the LFP bank.
That is how I am doing it

Secondary reason are if something goes wrong, the voltages on windgen output are very high, and they will destroy the battery, I rather they destroy one starter battery than a bank of LFP.
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Old Today, 17:20   #3
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Re: Marine Air generator and Li batteries

Thanks Hank,
That’s the way I thought but needed someone to back me up!
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