for zombie apocalypse Solar charging backpack that can charge your laptop. From Voltaic. This can be your bug out bag. Charge your phone and flashlights and laptop. For daily use, not only in case of any emergency.
This clever gadget, called Activ, makes it possible to harness the kinetic energy created by your own body and transform it into electricity! With each step, it juices up the battery a little more. After it’s full, just attach a USB cord directly to Activ