FOSSiBOT SP420 Portable Solar Panel | 420WMC4 Connector Compatible with approximately 90% of mainstream power stations on the market, including most common brands. Plug & Play Higher Energy Conversion Rate Covered by monocrystalline silicon solar cells, the solar panel adopts multi layered cell technology to generate energy from the sunlight and perform better with higher conversion efficiency that up to 23. 4% than other conventional panels. Great Portability An innovative foldable design