Charge Your Phone With Your Own Power - Now you can recharge your small electronic devices with your own power through a small renewable energy tool called Clipray. It's a good and cheap of American Red Cross-endorsed emergency products that you will need in an emergency power needs of your small electronic devices.
The small device for $15 is has a small crank mechanism which can rotate to generate electrical energy that can be stored or used directly. Clipray also equipped by LED flashlight which can be used any time during the appliance still save electricity. Read More at AltEnergy