Thanks for the info, much appreciated
Crickey !, after reading your cost break-down I think thats a very slim margin for you on your lights. Must hardly cover your initial R&D.
Anyway, ran my light today while on a ride, it kept switching down to the L2 setting due to temping-out. I've now set the cut-in to 80 degrees. Running during a sunny day will mean higher ambient, but I like to test my efforts at the higher end of what I expect the operational conditions to be. Belt-n-braces, and all that.
Thats the beauty of a light such as the Trout light, you can configure it to a level of light-output that you think is sufficient, assuming that the Max is too much. You can lessen the max-output setting to suit your taste, and stretch out your run time, Bonus !.