After seeing the new dinotte 500l tripple cree bike light, and just purchasing 3 cree p4's I decided to make my own bike light.
Instead of making a body, I used an aluminum 3aaa light that had enought room in the head for the 3 emitters. I used the lenses out of a few dorcy aaa lights which work excellent with the cree.
The problem is that driven either off of 3aaa's or 3aa's(both nimh, leds in parrallel) it just doesn't seem that it is kicking out the light that is should. I mean it definately puts out a good amount of light but no where near as much as the following lights..
These images are from the gear review 2007 led test, all bike lights.
The cat eye tripple shot pro 3 x 3 watt luxeons http://www.gearreview.com/images/led...ye%20TSPro.jpg
And the new dinotte 500L (tripple cree light with claimed 500 lumens)
Are three crees just sagging the three cells too much? I know they should be all run in series but I don't have the batteries to do that right now. Sorry for the long post and thanks in advance for any help. I am going on a night ride soon and I want to get this thing up and running.