Give those adventurous friends a treat in the form of this Power Bank with Solar Panel Charger. Just like the name suggests, this power bank is designed to use solar energy for charging your mobile devices on the go. The device is highly compact and portable. You can attach it to your backpack in a way such that the solar panel is exposed to the sun rays. As a result, the power bank will be able to draw enough power to keep your devices charged up when you are on the go. So even if you travel to remote locations where there is no electricity, this power bank will still ensure your devices never run out of power.
Input: 5V/2A Output: 5V/1A Material: Polysilicon, rubber paint LED flashlight power: 1W (4 * white LED)