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Birksun Atlas Blue
The Birksun Atlas Blue backpack is a tough, 20-liter container with an inbuilt solar power for charging your gadgets on the go. The six-watt solar panel powers a 2,400mAh battery, and one hour of sunlight is able to generate roughly a 25 percent charge for smartphones, connected via a range of USB connectors.
Logitech Wireless Solar Keyboard K760
Logitech's K760 keyboard, suitable for the Mac, iPad or iPhone, is a wireless accessory that is charged by any type of light, including the sun, lamps, indoors or out. Once fully charged, it is able to work for three months.
Price: £69.99 ($116)
Solarmio Kindle cover
Solarmio's solar-charged Kindle cover has a built-in solar panel at the front of the cover, which charges a reserve battery for an integrated LED reading light. The reading light turns on automatically when released from its housing, and turns off when the Kindle is placed in to sleep mode.