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    3 kw DC motor at 12 volt , short burst best choice of cells and BMS ?

    Sounds like I have the same bow thruster… soon I will be replacing my pb- acid batteries with lithium too. I’m tied in to my house batteries with one battery within three feet of the bow thruster motor… this takes care of ir drop. Just an idea for you.
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    Smaller (32650) LiFePO4 cells - any recommended Ali suppliers?

    Got 40 kWh of cells out of Signature Solar about six months ago…. Cost 6000 usd.
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    1000' run from good solar site to house/shop - Questions

    Convert to AC near your panels … then run it to your load. Keep it simple … power consumption in transformers would negate any gain doing step up and down transformers. Running heavy gauge dc wire to near the load b4 inverting is un economic and just stupidity.
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    Supplemental electric heating; 6kw inverter, 5kw of battery, 2kw of panels

    Baseboard electric heaters can be run on DC as well as AC power. You don’t lose the inefficiency of putting it through the inverter and you don’t need as large of an inverter.
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    Any heavily promoted article is over priced… just like pump and dump stocks.
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    Broken photovoltaic panel

    Are you using a DC volt meter?
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    Overkill BMS for 200a?

    Put two cells in parallel then take 16 of these two cell groups and hook it up to your BMS or if you need to charge/ discharge at 200 amp build two 16s batteries with two BMS
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    What is the cheapest way to upgrade to 36v system from 24v?

    Go to a 48 v system… 48v is the more popular standard… more choice and usually cheaper than 36v
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