You'd be surprised just how much energy you create when you ride your bicycle, so to not let it go to waste there's the Siva Atom Bicycle USB Charger and Battery Pack, which uses kinetic principles to keep your devices fully charged. Able to be installed on almost any bike out there, the Siva Atom Bicycle USB Charger and Battery Pack uses your kinetic energy to power your phone as you use it as a GPS or when you've reached your destination and want to power up.
Weighing just 11.2-ounces, the Siva Atom Bicycle USB Charger and Battery Pack is water-resistant, which means that riding through a puddle or getting caught in a rainstorm won't stop the powerful little device from working.
Kinetic Gadget Chargers
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