Originally Posted by
Road Fan
If I recall, Magnic is a German company. They probably think about watts electrical output, but I bet they think even harder about compliance with STvO compliance. This standard states the minimum power needed for legal sales of a bike light system in Germany. I haven't followed bike lighting standards for a while, but in the past it was necessary.
The other eddy current light I know of is the Danish Reelight Nova. It is not StVZO. Reading their marketing blurb, I think simple optics and fewer photons with the Reelight.