Solar panels and cells have come a long way from those early days when all they seemed capable of doing of was powering a small pocket calculator. However, new technology and reduced manufacturing costs means that we are now seeing some interesting and useful ideas. In this Top Five we are going to be looking some designs where solar power is being used not just to charge battery packs but for purposes too.
Solar power for USB devices
This is something for anyone who travels around and finds themselves away from mains power for a while, but still has the need to keep their gad
