i build the light, this weekend will try it outdoors. i actually recovered more leds than i expected, cat only destroyed 2, others were saved by thick reel, enough for 4 triples, all wired in parallel, fed by 6a linear driver.
white leds in the center ( has no optics, basically, the beam pattern is horrible, with dark spots everywhere, but it does pretty good job at illuminating dark spaces. it also wont blind if you look directly into it.
only 3 triples have white leds, all parallel too, 4,5A linear driver, both drivers, are slave boards from ME)
whole thing fed by 6 18650, in parralel, usb charging board,