ACTION BICYCLE GENERATOR

THE WORLD'S FIRST BICYCLE DYNAMO BY CHAIN!!!

NEVER WORRY ABOUT YOUR BATTERY LIFE AGAIN!!

INCLUDES ALL MOUNTING BRACKETS AND CALBES!!

EASY TO INSTALL， EVEN NOT NEED A SCREWDRIVER!

Description:

Bicycle Dynamos are alternators equipped with permanent magnets
They are typically claw-pole generators and deliver energy at rather low rpm
The typical bicycle dynamo is sidewall-running bottle dynamo and hub dynamo. and there are
a few other types (spoke dynamo， roller dynamo) but those gained limited popularity
But now， our product， Bicycle Chain Dynamo， it will take over all

Features:

Patented technology and the up-to-date design in the world
Bicycle chain drive the dynamo's gear to generate power
Dynamo by bicycle moving， almostly not influce on the bicycle speed
Suitable for almost all kinds of bicycles
The integrated design of dynamo， battery and voltage regulator
DIY installation， no need any tools
Built-in 1000mA Lithium battery， supply power even no riding
The gears made of abrasionresistant plastic steel， and the bicycle chain don't wear out
With a LED indicate light， it flash when charging， also can be used as tail light when riding.
Rainproof design， no need worry about water entry at raining days.
Supply power to your mobile phone， bicycle music box， flashlight， etc
Energy saving， no pollution， green products.
Over-charge， over-temperature， over-voltage， over-current protection
Special automatic adjustment holder(Patented)， suitable for speed-variable bicycle