Designer Soledad Martin has developed a cellphone charger concept that uses the energy generated from your movement to charge cellphones. The device converts kinetic energy into electrical energy which is used to juice up cellphone batteries.

The charger can be easily attached to your shoe and connected to your cellphone through a USB port. The charger keeps generating electric energy as you walk, run or play any sports. So, whenever you run low on battery, just start running. This device can keep you as well as the environment around you healthy.

Too bad this is just another concept. But until some of these environment friendly ideas gets implemented on a big scale, lets be happy that some of us are thinking in the right direction

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