Feature: 1. LARGE CAPACITY BATTERY: Solar power bank has a built in 20000mAh capacity lithium battery with high performance solar panel. 2. APPLICABLE DEVICES: Portable solar phone charger is suitable for all cell phones, smart watches, tablets and other electronic devices. 3. DUAL OUTPUT PORTS: Solar charger is designed with dual output ports to share with friends or charge your phone and tablet at the same time. 4. WITH CHARGING CABLE: Solar phone power bank supports USB and solar battery charging. Comes with charging cable, plug and play, very convenient. 5. DURABLE MATERIAL: Solar phone charger is made of durable and reliable ABS and PC silicone material, which is waterproof, dustproof and shockproof. It is perfect for outdoor activities such as hiking, fishing and traveling. Specification: Item Type: Solar Phone Power Bank Material: ABS, PC Battery Capacity: Built in 20000mAh Lithium Battery ( Included) Interface: 2 x USB Port, USB C Port, Micro USB Port. Package List: 1 x Solar Phone Power Bank Note: Using an AC power outlet makes solar battery chargers charge faster; as solar charging is affected by many factors, charging is not as effective as expected. If you don't mind, this solar charger bank will be the best choice for you.