The Siva Cycle Atom is a lightweight, highly efficient bicycle generator and
rechargeable battery pack designed to power virtually any of your
electronic and mobile devices via USB. The Atom is the bridge between the independence of cycling and the mobile technologies we all increasingly rely on in the 21st century. We capture clean, virtually effortless power from your own legs, while you ride and for later with the Atom's removable battery. Ride a bike, charge your phone, charge your lights, and get peace of mind that you'll never be without power.