The main difference of the solar panel price is between Tier 1 Solar Panel and not Tier 1 Solar Panel. If you order the mainstream solar panel --- cell size 166*166mm or 182mm*182mm (210*210mm will soon becoming popular), cell
Exclusive Prime price. See options. SUNYIMA 10Pcs 5V 60mA Mini Polycrystalline Solar Panels Cells 68mmx37mm/2.67"x1.45" for DIY Solar Cells Projects Toys. 5.5V Solar Panel Charger
Mini solar panels, 0.5V to 3V & 4V. Rigid, flexible & even self adhesive, a small solar panel can be for professional, hobby & educational projects. Mini Solar Panels From 0.5V To 4V | 1V, 2V,