While smartphones are tasked with more and more tasks, they also require more and more power. But as Murphy dictates, the further we are from an outlet, the faster we will run out of battery. But these have not been the only source of energy for a long time, and the Chargeboard, an "extended" skateboard (longboard) that produces and stores energy to fully charge a smartphone 8 times through a dynamo on the rear axle, is new proof.
