10Pcs Mini Solar Panel 4V 150Ma Small Epoxy Polycrystalline Solar Cell Panel 70M
10Pcs Mini Solar Panel 4V 150Ma Small Epoxy Polycrystalline Solar Cell Panel 70Mm X 70Mm/2.76″ X 2.76″ for DIY Electric Toy Materials Photovoltaic Cells Solar. 【Used for】– Solar panels are devices that absorb sunlight and convert solar radiation directly or indirectly into electricity through photoelectric or photochemical effects.