SUAOKI 20W Solar Phone Battery Charger 22 oz Dual USB-Port Sunpower Panel Efficiency up to 25% Great for Camping Hiking High Conversion Efficiency: 20 watt Sunpower mono-crystalline solar panel Intelligent Technology with intelligent chip built-in, the charger can automatically and quickly identify the current of your equipment and speed up the charge process Dual USB Output: provide enough power to charge two devices at the same time when you run into embarrassing power outage moments Ultra portable: Triple fold design (6.02'' x 10.35'' folded) and lightweight (22 OZ) make it very easy to pack into your backpack Thoughtful details: well-placed eye-hole, mounting loops around the panel and 4 carabiner hooks