It is a solar charger with superior performance, specially designed for outdoor sports and travel. It adopts a foldable solar panel design, which is easy to carry and use. At the same time, this solar charger is made of waterproof leather material, which can effectively prevent water and rain erosion. As a dual USB port solar charger, 3prosper 5V 18W solar charger can charge two mobile devices at the same time, very convenient. At the same time, this charger also has excellent charging efficiency, surpassing many similar products on the market. The brand of this solar charger is 3prosper, the model number is SS-SP18W, and it is a tested and verified high-quality product made in Liaocheng City, Shandong Province, China. 3prosper 5V 18W Solar Charger Waterproof Leather Foldable Solar Panel Dual USB Ports is a very cost-effective and practical solar charger for various outdoor activities and travel use.