How can we charge our phones without using electricity ( chargers ) .
Please give a proper explanation
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you can make your handy Carger by using these things..
1. dynamo.
2. cardboard.
3. muscular power to rotate the Handel of dynamo.
4. A USB cable
.
.
thank you
1. dynamo.
2. cardboard.
3. muscular power to rotate the Handel of dynamo.
4. A USB cable
.
.
thank you
Anonymous:
......
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