1Environmental protection, free from the power of the sun, take the green road. 2High conversion efficiency, our polysilicon efficiency can reach 17%. 3Light and thin, easy to use and carry. 4Widely used, suitable for security cameras, laptops, car batteries, automobiles, RVs, ships, airplanes, satellites, space stations, outdoor farming, planting, tourism, solar street lights, etc. 5The charging temperature is -20-70 degrees Celsius.