![](https://i0.wp.com/www.tourintune.com/wp-content/uploads/2013/12/Tour-In-Tune-2013-11-26-070.jpg?resize=700%2C300&ssl=1)
Dynamo USB Chargers: Revolution vs The Plug
I started this bike trip with what I thought was the ultimate hub dynamo USB charging system. It’s served me well overall, but had some problems with The Plug USB charger. Luckily, I was given the opportunity to test a relatively new product on the market – the Revolution by …