Lab Test: How Quickly Can You Charge A Battery or Smartphone With A Dynamo?
Let's indulge in some data to find out how quickly we can charge different batteries and devices using a bicycle dynamo USB charger.
Browsing Tag
rim dynamo
2 posts
Rim Dynamos Can Now Generate 70% MORE Power Than Hub Dynamos
As of this month, if you want to harvest power from your bike, the most powerful and most efficient way is using modern rim dynamos.