Brown Dog Gadgets Solar Charger
With enough available sunlight, this 10-watt solar charger by Brown Dog Gadgets delivers up to 2 amps of power. According to Brown Dog, the charger is capable of charging an iPhone in 1-2 hours and, with enough time, will even restore the battery of an iPad. This sun-powered gadget unfolds into four sections to a width of 32.5 inches and charges devices via a USB port.
List: Available for pre-order starting at $100, shipping in July