Originally Posted by
John E
Why not both? I always supplemented my friction-driven dynamo head and tail lights with battery-powered French lights strapped to my upper arm(s) and lower leg(s).
I still have some of those lying around... in my old kit of "what lights work best... "
I have long since graduated to battery power and 32W of halogen lighting. I still have a backup C cell light and separate battery blinker.