Top Positive Review for rc toys, fun sports, fashion, popular electronics on Banggood USA|Shopping USA

20% OFF 20W 30W 50W 30mil Full Spectrum LED Grow Chip DIY for Indoor Plant DC12-14V US$7.99 US$9.99 View It

Overall:

sat2pc 26/05/2018

Good quality, good price . The polarity is missing

Comments (2)

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Dozo! Did you figure it out just by trying? One side of the connector has a single hole, the other connector has two holes. Do you know which side is positive?
Reply 11/10/2018

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Dozo! The polarity IS indicated ( ) on the device, though not very readable. You can "Ohm out" the connectors from the location of the marking. I am sure YOU found this already.. and now, so do I
Reply 19/10/2018

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