Features 1. Monocrystalline silicon solar cells. It provides high photoelectric conversion rate. Environmental protection and energy inexhaustible 2. The solar panel connected with crocodile clip can be used to automobile, motorcycle, tractor, boat batteries and more 3. Adopt imported Sunpower solar panel, highly efficient sun power transformation, stability voltage panel, no need to worry damaging your phone 4. Standard USB output fit for mobile phone and other portable digital devices 5. Without build-in battery, no troubles caused by heat or strong sunshine 6. DC output: 18V 20W(Max) 7. USB output: 5V 2.5A (Max), support DCP, QC 2.0, QC 3.0, MTK PE1.1/PE2.0, FCP, SCP, SFCP fast charge protocol