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Solar panel doesn’t appear to be charging.

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Hi All,

Another question from me - I have a solar panel that runs through a controller to the battery. It was working fine after installation earlier this year, but now it’s not. Today it was showing on the controller as the panel producing between 10 - 12volt, but no amps going into the battery. A volt metre confirmed the voltage - but I can’t figure out why it isn’t charging the battery.

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10-12 volts wont charge the battery. Matt will probably chime in with a more detailed answer but if it was me I would disconnect the panel from the controller and check the voltage there to eliminate the controller as a possible cause. I Would expect more voltage than  that. 

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Thanks. It’s an mppt controller. Disconnected from the controller and direct to the multi metre it was still only showing fluctuating between 10 - 12 volts. Do you think the panel is knackered - it wasn’t shaded....

Edited by carpenter29

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