Wait… I can charge my cellphone from the sun in the same amount of time that I can charge from the wall? Goal Zero makes it happen with the Nomad 7 solar panel.
Bullets:
Solar charge cell phone in 1 to 2 hours
Attach to backpack while on the go!
Charge via USB by using the power of the sun
Lightweight – 13 ounces
Protect devices with built-in pocket
30% smaller, 14 times more powerful than closest competitor