Continuing the discussion from Do you have experience with the Finn bike holder? Alternatives?:
Wow, I really like the idea of using a bike dynamo to charge my FP! But is it good for the battery? Plus: Really great would be a way of using a dynamo bikeless, e.g. with a handle to charge your FP on the go!
But let’s start from the beginning: @paulakreuzer, how did you connect the USB cable to your dynamo?