Meet the SunLabz Solar Charger Backpack: a cool product that lets you generate and store power for your favorite gadgets on the go. This durable product has 22% efficient solar panels. You also get a power bank and a 5V USB port to charge your gadgets. There is also a 1.8L hydration pack for your outdoor adventures.
This solar backpack is compatible with iOS and Android devices. It also supports a wide variety of other USB products. It is available for under $80.