10pcs Mini Monocrystalline Solar Cells Solar System Kit 50mm X 50mm/1.96″ X
【High Conversion EffIciency】 Constructed of high-efficiency solar arrays,convert up to 21.5-23.5% of solar power into free energy. 【Experience the fun of DIY】 Build your DIY powered models/solar toys / solar displays/Solar Powered String Lights.