This simple circuit allows a 12V battery pack to be charged via a bike generator. The generator is rated at 3W and with this voltage multiplier circuit provides about 200mA at about 15km/h. A 12V system was chosen because it allows the use of a car horn (get noticed)! Two 6V 3W globes in series provides adequate lighting and they last more than six months
Circuit diagram:
Circuit diagram:
Bike Battery Charger Circuit Diagram
Author: Paul Breuker
Copyright: Siicon Chip Electronics
Copyright: Siicon Chip Electronics
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