A Photovoltaic solar panel consists out of individual cells that are connected. A 12 volt panel have 36 cells and a 24 volt panel have 72 cells. We supply mostly poly crystalline and thin film panels, but we can also supply mono crystalline solar panels on request. The solar panel sizes ranges from 10 – 300 watts. All our solar panels have a 25 year warranty that it will not produce less than 80% of its rated power.