Views:
The wind force caught when a bicycle is pedalled is changed into electric power.
As for it, it is accumulated electricity in the charge Pond by a battery charger.
It is used as electric power, such as a cellular phone.
The wind force caught when a bicycle is pedalled is changed into electric power.
As for it, it is accumulated electricity in the charge Pond by a battery charger.
It is used as electric power, such as a cellular phone.