Here is another portable, rollable solar charger you can use anywhere to keep your gadgets charged. The SOUL Solar Scroll comes with a 5200mAh battery. You can charge the battery with sunlight or through a wall outlet. The Solar Scroll can charge your tablet, smartphone, e-reader, GoPro, and portable gaming devices multiple times.
The Scroll is pretty simple to use. Simply clip it onto your backpack and expose it to sunlight to recharge the battery. You can use it in temperatures 14 to 131F.