Features:Fast and efficient charging polycrystalline cells provide this solar panel charger with enough power to charge devices! Intelligent charging technology recognizes the input required for a connected device and distributes the current output accordingly, reducing total charging time.Wide compatibility: use this solar phone battery charger with any USB powered device with 5V DC input voltage. Compatible with iPhone, Android smartphones and other electronic devices, including power banks of various capacities. It is also the perfect backup in case of power outage.Portable and lightweight: you can easily take this foldable solar panel charger with you on any outdoor adventure! It weighs only 12.34 ounces and is ultra thin. It is ideal for use in backpacks, hiking, camping, kayaking and other outdoor activities. Resistantweatherproof and durable: don't worry if these clouds can turn into rain - our solar panels are protected with industrial resistance PET polymer and sewn intoa resistant polyester fabric, making it highly resistant to water and dust.Friendly service: If you have any other questions, please contact us in time.Specifications:Color: Black Output: 5VV /2APower: 20W (max.)Waterproof level: IP 65Folding size: 19* 10* 4 mmSize: 650* 170* 3 mmWeight: 350gPackage list:1* Solar panel