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Dirtdaddy's avatar
Dirtdaddy
Explorer
Jul 25, 2023

Question on Coleman 100W Solar Panel "open circuit" voltage

I have what looks to be a Coleman 100W Solar Panel with a 30 amp Coleman controller in the trailer. It doesn't really charge my batteries, so I checked the open circuit voltage coming off the panel an...
bigfootford's avatar
bigfootford
Nomad II
Jul 26, 2023
Well I have never seen this phenomenon...hahahaaa.
Spec ISC and low Voc.. Like a bypass diode shorted but why is the ISC at spec. Going to have to see if there is an answer from someone else or join the Northern Arizona solar elect forum... I am a member over there. If you get no answer and can not become a member when I get some free time next week I will ask over there.

Jim

https://forum.solar-electric.com/

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