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Re: Solar panel - expecting too much?
Posted: Sat Mar 27, 2021 10:16 pm
by dom_e
It'd be annoying if it were a dud panel. It's not very old. It does seem the most likely scenario since both the mppt and cheap pmw controller give the same kind of reading. The bongo is parked in clear space. The only thing shading is a single roof bar that's set quite high above it.
Re: Solar panel - expecting too much?
Posted: Mon Apr 05, 2021 11:57 am
by dom_e
The mini saga is over. As suggested, it was the solar panel at fault. I am not sure why though - it was a good quality ETFE panel mounted with circulation underneath.
I took the plunge and purchased another panel, which is now working properly.
Thanks for the advice.
Re: Solar panel - expecting too much?
Posted: Mon Apr 05, 2021 12:46 pm
by Bob
Frustrating, but at least you're there.

Re: Solar panel - expecting too much?
Posted: Mon Apr 05, 2021 4:14 pm
by g8dhe
Where was the panel sourced from ? I guess its out of warranty ?
Re: Solar panel - expecting too much?
Posted: Tue Apr 06, 2021 12:40 pm
by dom_e
The old one was purchased through Midsummer Energy and was around 4 years old. I'm guessing it was a 2 year warranty, but I have no idea where the receipt is.
https://midsummerenergy.co.uk/
The new one is a Lensun 100w
https://www.amazon.co.uk/gp/product/B08 ... UTF8&psc=1 hope fully this'll last a lot longer!