ECEEN Solar Charger Panel with 10W High Efficiency Sunpower Cells & Smart USB Output for Smart Mobile Phone Tablets Device Power Supply Waterproof Portable Foldable Travel Camping Outdoor Activities Nylon+Poly HIGH EFFICIENCY: The Solar charger made by SUNPOWER highly efficient solar cells convert up to 22%. The charger utilizes natural sunlight to charge your device, Its a green charger without battery and not too heavy to carry. USB SMART OUTPUT: Built-in Smart IC automatically adjusts to connected devices and provides the optimal charging current to minimize charging time, It detects connected device input and distributes current output accordingly sunlight level. COMPACT CARRY: Compact size (11.5 x 6.0 in. folded / 12.8  12.0 in. open). Lightweight (0.8 pounds) and ultra-thin (1.0in folded) lightweight foldable design make it great for camping, hiking, picnics, and other outdoor activities. ZIPPER PACK DESIGN: Foldable zip pack exposure to damp conditions will not damage the exterior part of the solar charger. The wave straps on backside of solar panel make it easier to hang, removable, attachment to backpacks, trees, or tents. PACKAGE: You will get 1 - ECEEN 10W solar panel charger, 4 - carabiners, 1 - 40cm Micro USB cable, 1 - instruction manual. 12 months warranty.