Power on the go is not just a temptation but a very real need. We do not know what the future will bring but having something like what is demonstrated below is a true foot up during a chaotic situation!
Testing it out on a wilderness trek or camping trip is a great idea. When the SHTF you want to be absolutely sure you are ready and wired for power, whether you are staying where you are or must bug-out.
One day we would like to see miniature solar panels that a prepper can take with him anywhere but until that point a DIY generator like this will certainly do the trick!