Features: Environmentally friendly, stay away from the sun and go green! High conversion efficiency: Our polycrystalline silicon can reach an efficiency of 20%. Lightweight and easy to carry. Charging temperature range: -20-70 °C. Flexible solar panel with a maximum bending angle of 30 degrees. Short circuit and overvoltage protection protect you and your devices. Durable, waterproof, and built to last. Widely applicable for security cameras, laptops, car batteries, cars, buses, ships, airplanes, satellites, space stations, farmland, landscaping, tourism, solar-powered street lights, and more. Specifications Solar energy conversion efficiency: 20% Material: PET Maximum power (Pmax): 20W Output: USB 5V/18VDC Open circuit voltage (VOC): 5V Maximum supply voltage (Vmp): 18V Maximum current (Imp): 2A Unfolded size: 44 x 16.5 x 0.3 cm Folded size: 10.5 x 16.5 x 1.5 cm Short circuit current (Isc): 2000hA Package size: 170*300*30mm Features: 1. Made of high-quality materials, environmentally friendly, waterproof, durable, and sensitive. 2. Can be used to charge mobile phones, power banks, etc. 3. Lightweight and foldable, making it easy to carry. 4. Provides continuous power even on cloudy days. 5. Suitable for outdoor activities, emergencies, and outdoor work. 6. Lightweight and ultra-thin, making it easy to store and install. Waterproof: IP65