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How to Make Your Own DIY USB Bike Charger
The USB Bike Generator can power two USB ports as you ride your bike, to charge your electronics. Here's how to make your own.

The USB Bike Generator can power two USB ports as you ride your bike, to charge your electronics. Here's how to make your own.
reylatham commented 16 minutes ago
reylatham commented 17 minutes ago
Alex Belardi commented 20 minutes ago