Specifications: ISC: 0.83A Voc: 20V Vpmax: 18V Power: 15W Size: 185*270*2.5mm Waterproof Rate: IP65 Conversion Rate: 19.6-20% Output Current: 850mAh (Max) Material: Polycrystalline Silicone Note: 1. Do not scratch the surface of the solar panel with sharp objects. 2. Exposure the solar panel to direct sunlight to ensure maximum charging speed while charging. 3. Do not put the charger in rainy days, otherwise it will lead to short circuit. 4.The 18V 15W solar panel charger is made of anti-flow anti-agent, it will not cause backflow phenomenon. Package Includes: 1 X 15W Solar Panel 1 X Line Clip 4 X Suction Cup