Other than the obvious Lumen difference, and $10 price difference, would love to hear from users which they prefer. At this point, I have never used a 14500 rechargeable batter or a RCR123A battery. As for high lumes, I do have a Olight S30RII which will turbo out at 1020/450 so output is not all that important, I do think 300 Lumens would be enough. More concerned about the size platform. Kinda like the idea that I can use AA's also, so I am leaning that way... but would love to hear what you all have to say.... Like the reversable clips in both also. Comments or other suggestions?