That's what I want on the gravel bike so I can swap between battery and dynamo lights depending on wheelset but I'd give it about a 99.99% chance of me never doing it.
I have a non-dynamo wheelset that I want to use with a battery light.
I have a dynamo wheelset that I want to use with a dynamo light.
I don't want to carry a dynamo light that does nothing while using the battery light.
That's what I want on the gravel bike so I can swap between battery and dynamo lights depending on wheelset but I'd give it about a 99.99% chance of me never doing it.