Equinox ✭✭

The temperture coefficient issue can be confusing, but: please note that the coefficients in practically all the panel specifications I ever saw are not provided for the same opperation point: the co…

Hi Littelharbor, sorry I did not reply to your comment. Why do I think the cells are from silicon sensors? I do have a solar panel where the solar cell look very much allike the ones your panel shows…

for all vintage panel owners, I do collect vintage solar panels and cells for a long time. Please take a look at a small exhibition (file attached) I did in Cologne. These are some samples of PV dati…