Echo63, that is one sweet pile of Surefires you have there!!! Good to hear of more people getting in on the M6 love!
I just received my first M6 today! Cheers to benm11 for that!
I'm still waiting on my lighthound order of some extra IMR cells, and a HO-M6R lamp. I couldn't fire it up because my stocks of CR123 primaries are running dangerously low, and I can't find 6 with the same charge state. So I got to testing. I found 2 Different ways which one can put four IMR16340 cells into the MB20 holder, to give roughly 8 volts. After checking CPF I found only one mention of this being done, and a couple of people saying it wasn't possible.
So I checked, rechecked, and checked again the different configs and voltages, they came out as between 8.2 and 7.9 volts (must be some internal resistance in that MB20). So I bit the bullet and chucked them in with the MN20 LOLA. Glorious incandescence blasted my retinas! It draws 2.12A off the fresh cells, which is in spec for both the cells and the lamp.
Runtime should only be less than 30 minutes, but its a way to play with this amazing light until my new LA arrives!
If I was really strapped for cells I could run it with only 2... but it's not necessary.
Does anyone else do this? Li-ions in 2s2p in the standard battery caddy? I'm assuming most people just go for one of mdocod or fivemega's 17670 or 18650 holders...
Cheers,
Alex