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The original was posted on /r/offgrid by /u/OverOnTheCreekSide on 2025-10-01 16:33:41+00:00.
Original Title: Solar set up questions. I’d like to connect these batteries in 12v not 24. What gauge wire is necessary? 2nd question, is my tester the right setting for checking battery voltage? 3rd question, I have four panels, is my 30amp controller undersized? Thank you
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