HAWEEL 14W Foldable Removable Solar Power Outdoor Portable Canvas Dual Shoulders Laptop Backpack, USB Output: 5V 2.1A Max(Grey) Features 1. The solar panel absorbs solar energy, high efficiency transfer speed, turns into electric power to charge your cell phone or other small devices. When your phone has no power, you can use the USB link of your phone. 2. Comfortable handle, less pressure on your arm while holding. 3. With a laptop compartment and a tablet PC compartment inside the main pocket, fits for laptop under 15.6 inch and 9.7 inch iPad. 4. Anti-theft design: The backside hidden zipper protects your valuables such as mobile phones, ID card, wallets, etc. 5. Breathable Elastic sponge shoulder strap and backside provide your extra back support and feel more comfortable. 6. The solar panel adopts imported Sunpower solar panel, highly efficient sun power transformation, stability voltage panel, no need to worry damaging your phone. 7. The solar panel is removeable, advantages: Remove it to reduce the weight of backpack, and convenient to clean the backpack. 8. Foldable and removeable solar panel, simple and beautiful appearance, easy to carry. 9. Solar power: 14W, USB output: 5V 2.1A max.