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crcr's avatar
crcr
Explorer
Jan 07, 2020

Solar Panel, Unmarked Pigtails, which is Positive, Negative?

I bought 5 solar panels recently, the pigtails on the two HQST solar panels are marked as to positive and negative, but the pigtails on the three Renogy 100w panels are not marked. On the HQST panels...
JesLookin's avatar
JesLookin
Explorer
Jan 07, 2020
Boon Docker wrote:
By looking at the direction of those diodes the pigtail with the red ring is positive.

Yes, red ring is positive, because of connection to the diodes.

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