Meet the HeLi-on: a compact solar charger that fits in your bag and lets you charge your smartphones conveniently. This rollable solar charger can recharge your smartphone in about 3 hours. There is also a battery to store energy just in case you need to charge at night.
HeLi-on measures only 11.3 x 3.6 x 2.8 centimeters and weighs 105 grams. It charges your gadgets outdoors. What do you think? Are you impressed?