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 HIGH EFFICIENCY: Constructed of SUNPOWER solar cells, 2 monocrystalline solar panels, which can absorb solar energy, high efficiency up to 22% efficiency, high conversion solar charging technology keeps your devices powered up with free solar power. STABLE OUTPUT: Unique voltage regulator design to ensure stable voltage and current, protects your device while charging. Premium USB output design supports charging 5V devices simultaneously in 1.5A total (MAX) FOLDABLE, PORTABLE & LIGHT WEIGHT: with 2 foldable Solar Panels, folding size only 11.5*6*0.5 inches, net weight only 0.8 pounds. It is portable and convenient to carry for hiking, camping, traveling and any other outdoor trips and activities, as well as gift. ZIP PACK DESIGN: Easy to close with a zipper and open like a book. Well-placed 14 ribbon hooks enable easy attachment to backpacks (4pcs free carabiners included) while you going. Well-placed a stretchy fabric pocket( 5*8inch), placing your cell phone, cable ,key or many other small parts. PACKAGE CONTENTS: 1PC* ECEEN 10W solar panel charger, 4PCS* Carabiners,1PCS* 40cm Micro USB cable,1pcs* instruction manual.