The BikeCharge Dynamo is a simple yet remarkably useful device. It taps into your cycling energy and converts it into USB output power for your gadgets.
The DC generator can be mounted on just about any bike and with the universal USB output, it can also charge the majority of smartphone brands and a full charge would more or less require approximately 2 to 3 hours of pedaling.
You could presumably use it to charge your iPod or your GPS device too.
Boasting a weatherproof, all-in-one design which was deemed to be 20% lighter compared to similar systems, the BikeCharge Dynamo will come with a quick-release clutch, ensuring riders are unable to experience any resistance whenever the device is not in use so that you need not expend energy unnecessarily.
This is definitely one of the greenest ways to get around the neighborhood, where you not only save money as you do not burn precious fossil fuel, you also get to enjoy a decent workout in the process.
The BikeCharge Dynamo sells for $99.99(USD) but is currently out of stock.