Originally Posted by army14

I need a headlight system that will get me 800-1200 lumens for two hours. Or at least I think I do. I ride at night on the road with cars and some no streetlight areas. 16-25 mph. I am currently using 2 Zebralight sc600 II flashlights. SC600 Mk II L2 18650 XM-L2 Flashlight Cool White I run both of them on the H2 setting which should be around 670 lumens for each light. I love this set-up except I can't get more than 44 minutes. It was explained to me that when pushing cold air over these lights it forces the pid to run the lights brighter, but it reduces the amount of time they can run. If I put these same lights in a room and turn them on, I can get over two hours before they shut off. I carry extra batteries but I would rather not stop and switch them out. I was also running a C

Chris