you have a schematic for those power controllers for the led's? what sort of chip is that? i have a 6aa energizer cut for 4 17670 lithiums i plan to convert for LED.
trying to find info on an old flashlight my father bought a long time ago. probly some time in the late 80's. it's modular, and can be arranged in prety much whatever configuration. only says made in the usa on it, and 432143.