Dyana WROTE:Hey. Can I know what kind of solar panel that suitable for arduino mega and battery 11.1V?
Not really understand what you need from the question. Since you have 11.1V battery ( I assume is Lipo), so the Solar is to charge the battery? If so, any outdoor solar panel that is 12V should fine, but you will need a proper Lipo charger, and normally for Lipo, you will need balancer too.