2. SolarFocus Solar Kindle

Harness the power of Mother Nature with a guaranteed 3 months of reading coming from the sun with the Kindle cover that is form-fitted with a solar panel discreetly tucked inside the casing. The panel can be used to power the reading light stashed within the case or even to charge the Kindle 4 or Kindle Touch itself, via micro USB.

Price: £50 | Link:Solarmio.com

NextRukus solar-powered Bluetooth sound system