I was curious about the Omega after reading so many good things so I scraped together some cash, grit my teeth and ordered one. Well I got to say this thing is nice. I have been useing it now for 3 days and I am very satisfied. Tried it at 6 volts,I know I know it was not designed for stacked batteries, but I had to try. In my opinion the 18650 with an Lr atty is at least just as good if not better, and lasts way longer. This thing is solid. If you are mulling it over do yourself a favor just order one you will not be disappointed. I also would save the money and don't bother with batts and charger for 6v. The 18650 is a beast. I am already seriously thinking about getting an SB thats how much I like this mod.