Feature:1. Monocrystalline Silicon Material: This foldable solar panel is made of premium monocrystalline silicon, which is lightweight and sturdy, long service life.2. Easy to Use: Just face the solar panel towards the sun. With 1 USB charging port to charge the device, and the charging efficiency depends on the size of the sunlight.3. Excellent Performance: High conversion efficiency, great output efficiency, low light efficiency, light weight, easy to carry, strong applicability.4. Foldable Design: Using advanced production techniques, this solar panel charger has a foldable design that can be used anywhere, convenient to carry outside.5. Application Scenario: This solar penal charging bag is perfect for camping, hiking, backpacking, horseback riding, fishing or other outdoor activities.Specification:Item Type: Portable Solar Panel BagMaterial: Monocrystalline SiliconWeight: Approx. 314g/11.1ozFolding Size: Approx. 19x9cm/7.5x3.5inExpansion Size: Approx. 53x19cm/20.9x7.5inPower: 50W (without storage function)Interface: 1 x USB interface.Package List:1 x Portable Solar Panel Bag2 x Buckle1 x SpecificationNote:No power storage function.