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johnm1's avatar
johnm1
Explorer
Apr 15, 2016

Looking for Battery & Solar sizing spreadsheet

Hey all, I had a link to one that I liked but can't find it now and apparently I'm not using the correct search terms either because nothing turns up in a search. I'm trying to figure out how mu...
Almot's avatar
Almot
Explorer III
Apr 16, 2016
With 48V bank only the wire to battery will be thinner (where it's not too important as it's short). The wire from panels to controller won't change, and the dance of parallel/series/Vdrop will be the same.

Controller will be smaller and cheaper, yes.

A DC-DC downconverter will have to be installed after the battery, to handle 12V loads of trailer - costs $80 or so.

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