3 amp Single mode buck driver. Got any ideas?

[Lightbringer]

Booyah…

Ultrafire F13 mod

The F13 is a nice light, takes a 26650, is nice and beefy, could run some decent power and still stay relatively cool. The UI, though, was rather annoying. H/M/L plus blinkies… yecch. Dis-co-nnect! So, rather than suffering in silence, I figure I’d share my modding misery. Anyway, I was doing this already, didn’t want to stop (inertia, and all that), so just grabbed some Truly Crappy cellphone pix while I was already in-progress. Start with a standard F13 ( http://www.gearbest.com/le…

Hit the AX link up-top. Retarded thing keeps changing to spanish on me.