Originally Posted by
Ziemas
Actually LED beams are a lot more intense than halogen headlight beams. Set up your 600L, taillight, and a cars headlight and look into them all like a driver would. You'll be surprised.
Are you saying that that 500 lumens from a LED is brighter than 500 lumens from halogen?
One thing to keep in mind that bike lights and car lights operate differently. A bike light is symmetrical/omnidirectional, whereas a car's light is designed so that the beam won't blind oncoming drivers.