We use our mobile phones as if they were a physical attachment of ourselves. They are an ever-increasing staple in our daily lives and to be out is like losing a limb. As such, it is crucial that we keep them charged up throughout all hours of the day. It seems though, however, that as the technology in our phones becomes more advanced, the battery quality is not keeping up with the added features. As such, our batteries seem to die on us after no time at all, usually when we need them the most. If you’re an active person, though, that spends a good portion of your week staying active, a new development in the phone charger world may be for you. Using the magic of kinetic energy harvesting, chargers have been developed that convert your movement into electrical potential to charge your phone! In this article you’ll find out how they work and which products you can buy for yourself.