1、Durable Material: The 20W solar panel folding bag is made of monocrystalline silicon, soft fabric with wear resistant, waterproof and dustproof. 2、High Efficiency: Solar panel charger provide high conversion efficiency, efficiently convert solar energy, perfect for camping, climbing, hiking or backpacking trip. 3、Safe Charging: Solar panel charger with led charging indicator, easy to carry and can be used in emergency situations, 5.5V for charging your phone, tablet, etc. 4、Portable Solar Panel: The foldable solar panel is lightweight and compact, which make it easier to store and carry, you can take it to anywhere. 5、Applications: Suitable for Surveillance cameras, laptops, car batteries, ships, aircraft, satellites, space stations, outdoor agriculture, planting, tourism, solar street lights, etc.