1Premium Material: This solar panel charger adopts premium polycrystalline silicon material for better and stable performance. 2High Conversion: This solar panel charger features high conversion efficiency and good output efficiency, which ensures strong applicability. 3Light Weight: This solar panel charger possesses light weight and small size, which is very portable and convenient. 4Wide Application: This solar panel charger is suitable for camping, hiking, backpacking, horseback riding, fishing or other outdoor activities. 5Semi Flexible: This solar panel charger is semi flexible, which can be properly bent so as to adapt to different environments. Item Type: Solar Panel Material: Polycrystalline Silicon Power: 7W Output Voltage: 5V Output Current: 0-1400mA Panel Size: 7W 5V Solar Conversion Rate: More Than 17% Output Interface: USB (Inbuilt Voltage Regulator) Expanded Size: Approx. 55.2 x 16.8cm / 21.73 x 6.61in( Manual Measurement, Slight Error May Exist ) Folded Size: Approx. 11 x 16.8cm / 4.33 x 6.61in ( Manual Measurement, Slight Error May Exist ) Weight: Approx. 260g / 9.17oz 1 xSolar Panel