Mini 5V 6W USB Solar Panel, Portable 5 Volt 6 Watt High Efficiency Monocrystalli
Max Power at STC: 6W. Item Type: Solar Panel. Aocoray usehigh-quality crystalline silicon material improves the conversion rate and high efficiency output, the conversion rate isas high as 20-21.5%, much higher than other polycrystalline solar panels.