Bike generator portable

How do I charge my bike?

You don't have to use it only at home.

a cool breeze

Recharge while running and enjoy the Viking

It was amazing that there was something you could do with a small device 

I can turn on the light

I charge my cell phone.

I looked it up and found an upgraded product.

Non-contact charging.

I'll post it next time
From the wheel swing,
They also charge electricity by placing a pedestal on an outdoor bicycle.