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Terry Said:

How do I determine the polarity of solar cells?

We Answered:

If you have access to a Fluke (multimeter) then you could determine polarity by either measuring voltage across or current thru... if the number is positive, then the positive lead is on the positive side. If the number is negative, you've got it backwards. I'm not sure of any dot conventions regarding solar cells... usually they are color coded.

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