Chargeur usb vélo dynamo

About this item

• •????MULTIPURPOSE DYNAMO GENERATOR: Bicycle powered generator is made of high quality plastic and electronic components material, easy to install, come with small tool to complete the installation, DIY convenient.
• •????ENERGY SAVING AND : Riding 5-30km/h and generating about 100-1000mA of electricity, environmental , never power off, charging and lighting.
• •????DUAL USB OUTPUT: Hand crank with dual USB output, compact and fashionable, easily solve the problem of continuous power supply on the go, can be used to cycling lights, mobile phones, stereos, power banks, smart helmets, and sports cameras , etc.
• •????WORKING PRINCIPLE: Drive the generator to generate electricity through the rotation and friction of the tire. Motorized friction drive bicycle generator kit, sturdy, durable and long service life.
• •????RIDING COMPANION: Partner for long distance cycling, riding, can install all bicycles with front or rear fork between 15-41MM in diameter. If you have any questions about the electric bike generator, please feel to us, we will serve you wholeheartedly 24 hours a day.

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