Yes mitro, the idea of such 3x and 5x XM-Ls is to get massive light output and still be able to do long runtimes without the issue of overheating.
To give people an idea on the big picture, some folks already encountered a kick down from Turbo to high in the Nitecore TM11 before 10 minutes, with this light just trailing a wee wee bit in OTF output possibly. Yes they are definitely not equal, but just a frame of reference.
59 deg C stable, before kickdown.
Sorry for so many posts, but I forgot to mention that I even fired it up on 4 C alkalines. 4Cs and a little spacer at the back means that even those who like NiMH can benefit from this light. :)
I'd like to know if it can take 4x li-on, but I'm not about to find out. :p
EDIT: I tried 4 x AA Duraloops and got a 3.3A draw to start and about 75% of the brightness of 3x li-ons. Not too shabby. Also, there is no difference in brightness (less than 0.5%) between 3 fully charged 26650 and 2 fully charged 26650s.
Music to my ears! I am planning on using 2 cells only! :)
I am absolutely floored by DX's quickness of my order for the TR-J12. In less than 72 hours from placing the order it is shipped with tracking number.
EDIT- and I cant wait to get my hands on this and to see how the driver is set up. This screams to be driven harder from what I am seeing on the reviews. I would love to have a high driving 3A each, followed by a medium at 1.5A.
Since I like flood I put some DC Fix on the lens and it now has a beam that is just about perfect for me. A huge wall of light. There is still a hotspot but it is quite diffused. The light still manages 10k cd through brute force. :)
So far I like this light a lot. I wish I'd paid $70 instead of closer to $90, but that's the price I pay for impatience. Its not a revolutionary light, but the combo of 26650's and 5 emitters just works nicely. I'm the opposite of most people here, I wish the medium was actually the high(1.3A on 3 cells) and then give me a lower medium.
By the way... the lens appears to be the same size as the big throwers (59mm), are we ever going to get some decent glass in this size? I don't want to chop up a UCLp. I'm half tempted to just pay for a run of them and then sell them myself.
if you do get a run, let me know. Im tempted
I'm not sure what's wrong with my order. My order was placed on 1-1-2012 and was thrown into their new account management system. It was then labeled as BackOrder on the 4th. I filed a support ticket for this problem. Had this happen to another recent order - waited two months as "backorder" and canceled. Not sure when they will refund me.
Anyone else order from DX? I have the "FandyFire" L1 on its way but would really like to play with this one too.
I got some trustfire flames I bought a week ago that says backorder in their new account management system.
So 2100 yours must be here now ?
I received few day ago, but my camera wasn’t here.
I will make a mini review later.
I ordered from KD first and DX.
For DX I ordered 12-31-2011 , but 01-09-2012 still in “Order Received”.
So I canceled from DX and WILL NOT ORDER ANYMORE!!!
DX is so slow that's why I ordered from manafont, but I'm in Australia so orders take around two weeks to get here from manafont over a month for DX I'm not realy a fan of KD either to be honest.
Service from DX KD MF
1st for me is MF but TR-J12 is too late in MF’s catalog.
From now
MF = Flashlights , DIY
KD = Flashlights (If cheaper than MF 
) , DIY , driver
bro yep, got it 2 days ago it was delayed a bit, i have posted sone measurements in another thread
I've got mine very fast from KD, seemed to be the first to recieve it too?
KD seems very fast, good and helpful too bad their website lacks info...
I am waiting since two weeks and nothing happens. Last time ever I ordered something at DX
You need to be patient if order from DX & KD. Generally takes 30-35 days are normal!
When I ordered 18 month ago it took 10 days to New Zealand. The time in between it got worse and worse. One month is not acceptable. Last order ever at least for me.
Waiting waiting!
My Skyray 818 does 3A on two fully charged (4,19V) 18650 Hi-Max batteries. If this one does 3,3A on two 26650 it can't be much brighter. Or can it?
Here's a test that might answer your question, posted by ergotelis on cpf: