Description: Material: This portable solar panel is made of plastic which is wear resistant, sturdy and not easy to break. Portable: The USB cellphone power bank is compact in size and lightweight so that can take it outdoor easily. Application: By using the battery charger can charge for the smartphone especially when you are outdoor. Wide use: This outdoor charging board is widely applicable which is suitable for cellphone and light charging. Fit occasions: This solar panel can be used in many occasions including outdoor camping, hiking and backpacking. Specification: Material: Plastic. Interface: DC USB port. Maximum power: 1.65W. Working current: 300mA. Working voltage: 5.5V. Open circuit voltage: 6.2V. Short circuit current: 330mA. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Solar Panel.