Meet the Sunny Bag PowerTAB: a solar charger and power bank that lets you charge your smartphones, tablets, and wearables using sunlight. The 5 watt solar panel charge the two cells (6000 mAh). The device has two LED lights you can use for reading at night.
The PowerTAB comes with everything you need to charge your gadgets on the go. It can charge your smartphone in about 3 hours in sunny conditions. Costs $99.