Originally Posted by
Nachoman
I use my P3d on turbo in excess of ten minutes all the time without any problems. I'm usually cranking it between 30-50 minutes at a time. I must admit though that it accidentally turned on one night when I left it in my front pocket and things got a bit heated down there.

Be carefull, if you get those batteries too hot they can explode, or vent dangerous (life threatening) chemicals. I would guess from what you said, that riding with air flowing over the light in the cooler night hours, it should be OK. The problem of overheating the LED's is that you reduce the life, and you may not notice any symptoms for a while. You might go from lots of years of life to just a couple of years of life. Not a huge problem considering the reasonable price of a new light. But, it might only last a little while longer.