The USB Werk is the more recent release by Busch and Muller. It’s a stripped back version of the E Werk but with tiny cache battery built in. It ca...

The Dynamo Harvester is another super powerful dynamo USB charger that can hit 2.5W at 15km/h and 4.5W at 20km/h. The cool thing is that it’s handb...

Introduced to consumers at the 2012 Eurobike tradeshow, this bright dynamo light incorporates a handlebar switch and USB plug so that you can charg...

This dynamo cable features a built-in 2200mAh cache battery with pass-through which allows you to stop/start or dip below 15km/h and still have a c...

This cable/battery combo allows you to charge straight from the cable or through the battery. I used this kit for years now and never had an issue...

This is one of the original USB charging products. The ReeCharge kit wraps around the headtube neatly with a cable running down to the dynamo hub....

The Revo is probably the brightest dynamo light on the market. It has a port which allows you to hook up Exposure’s ‘boost’ cable and charge USB de...