Features: 1. Constructed by high quality material, eco-friendly, waterproof, durable and sensitive. 2. Can be used for charging cellphones, mobile power bank, etc. 3. Portable, foldable and lightweight, easy for carrying. 4. Offers continuous power supply even on overcast day. 5. Suitable for outdoor activities, emergency, and outdoor working. Specifications: Solar power: 20W Solar energy output: 5.5V / 1.2A Solar panel type: Monocrystalline silicon Conversion efficiency:> 19.5% Output interface: USB USB output: 1x5V / 2A (max) Expand size: 44×16.5×0.3cm Folding size: 10.5×16.5×1.5cm Package: 1X 20W Soalr Panel 2X Carabiner