60W Portable Solar Charger, NexTrend Foldable High Efficiency 18V DC 5V Ternate USB Output (Including QC 3.0) Charger Solar Power Generator Laptop Tablet GPS iPhone iPad Camera Other 5-18V Devices

this product is what i want to buy！ easy to carry and to use in anywhere. it does npt require a lot of space after you fold it. it might be a little bit heavy and costy but it worths. i just love it so much！