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This is a product which connects the brake of a bike to the power generation for the bike lamp; through operating the bike brake, users as well start the internal power device to generate the power for the head lamp. The kinetic energy from the movement of braking the bike is transformed into electrical energy that would be stored in the battery, and from which it is the power supply to the head lamp. Therefore, in order to make the lamp work, there is no need to charge or replace the battery when one rides the bike at night.
Shu-Te University Chia-Yuan Pai Kaohsiung, Taiwan