12volt vs 24 volt?

Discussion in 'Start here' started by steven, May 13, 2020.

  1. Im just setting up my 4 panel 400 watt solar system wondering why I would need to wire it 24 volt ? im only going to run a computer a fan light and possibly a mini fridge in a small off grid office.
  2. TomT

    TomT WindyNation Engineer

    Didn't include if you are direct connecting or have pwn or mppt controller.
    Also what are the open voltages for the panels?

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