Waterproof Folding 20W Power Bank Charger Solar Cells Battery Pack 5V USB Portable Solar Panels for Mobile Phone Outdoor with Carabiner Feature: 1. Environmentally friendly, waterproof, durable and sensitive. 2. Multipurpose. It can charge mobile phones, 3.7-5V batteries, outdoor lights and fans. 3. Portable and foldable, easy to carry. 4. Suitable for outdoor activities, emergency and outdoor work. Specification: Polycrystalline silicon solar panel: 20W Output voltage: 5V; current: 0-2A (intelligent voltage regulator) Output interface: USB Colour: Black Expanded size: 590*170*3MM Folding size: 170*110*35mm Packing size: 200*140*40MM Product net weight: 295G Weight with packaging: 332G (subject to the actual product) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2mm measuring deviation due to manual measurement.