problem with 12vdc controller , says charging but nothing seems to be happening

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  • turbo1600
    Junior Member
    • Jul 2019
    • 4
    #1

    problem with 12vdc controller , says charging but nothing seems to be happening

    how come my solar panel out put is 30vdc in full sun , without it connected up to the controller , but when i connect it up to the controller and measure the voltage at screw terminals where panel feed goes in it reads 12.6 vdc . lead acid battery is connected . it was working perfect with the same type controller , but the battery symbol had no lines in it.. ( charging state ?) so i replaced it now this is happening.
    see video : https://www.youtube.com/shorts/WjdAgFDuULs
    Tags: None
    • SunEagle
      Super Moderator
      • Oct 2012
      • 15126
      #2
      My first question is what is the charge level of the battery? If it is more than 90% the charger may not be doing anything.

      Second question. Did you hook up the battery to the charger first and then the panel to the charger? Doing the hookup in a different order may cause the charger not to do anything.

      Finale question. What is the Amp hour rating of the battery and how many amps can the panel produce?

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