I bought some solar powered garden lights for around the place and I'm trying to learn as much as I can about solar power too. I want an off grid system eventually.
I have read, and even on the box, that it needs a certain amount of sunlight to produce the energy for the light.
Now I got them out just before and put them together and when I put my hand over the top of the solar part, it lights up. Take the hand away and it doesn't light up.
So my question is, does solar respond to heat and not just light like all the info I have read? Or is it the heat from the light that generates the energy? Can you run solar with heat (like from a compost heap) and not light?
Sorry if this sounds like a stupid question.