wait what? I am saying why take power out of battery for light when you can have super efficient dynamo with 20" wheel
The battery and motor would be pushing the bike and turning the Dyno. So you're basically using the battery to power the Dyno. With losses.
what about constant downhill?
@PhilDAS started
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wait what? I am saying why take power out of battery for light when you can have super efficient dynamo with 20" wheel