20000mah Portable Solar Power Bank Waterproof External Battery B. Features: Dual USB Ports, You Can Charge Phones, Pads or Other Small Electronic Devices Simultaneously  Material: Solar Panel, ABS Plastic Cover, Silicone Frame LED Light Works Perfectly in Darkness, Especially for Emergency SOS Distress Signal to Help Other People Find You Compass, Help to Find Direction Specifications: Foldable Solar Panel: No Number of Panels: 1 Certification: CE Flexible Solar Panel: No Type: Solar Cells Battery Type: Li-polymer Battery Capacity: 20000mAh Input: DC5V/1.0A Output: DC5V/1A, DC5V/2.1A Package Included:1 X Power BankNote:  Even in a Perfect Laboratory Condition,The Efficiency of Energy Transformation from Solar to Electric Energy is Really Low. When It Used in Outdoor, It Also Affected by the Weather, the Location or Others Factors. So the Solar Panel is Not Good As First Choose to Recharging. We Suggest You Recharge It Via Wall Charger at the Beginning to Make the Power Battery Fully Activated.  . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.