Well, it looks as if it is almost here. The DX30B-MR
No xhp50.2, but the xhp35-HD or -HI, in flood & throw-your choice.
I hope the circuit is smart enough to skip the 'turbo boost' period when you are using 2x cr123a. Attempting to draw ~12 watts from two cells, doesn't do anyone any favors, for...