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I flashed 2 or 3 Fm1794:s with normal AW 18650:s when I got my first FM 2x18650 tube... But I'm interested in the soft start option too, my switch is in the mail...
 
Crap! I have three MN16's I was planning on running with IMR's. Any reason why they would flash, but a P91 would not?

MN16's seem to run fine on the lithium cobalt cells.
 
The higher current capability of the IMRs has a downside of less voltage sag, which will flash bulbs if they are on their limit. mdocod's post confirms that is the case with the FM1794, which is OK on IMR16340s but not with IMR18650s. Of course, less voltage sag is not a downside but a definite upside if the bulb can handle the higher voltage, as it means a brighter light.
 
Ya, but a P91 is on the edge, I'm still wondering why the MN16 would flash, but the P91 would not.

Anybody have the specs of both bulbs? I've read the P91 is a 6.8V bulb.
 
Ya, but a P91 is on the edge, I'm still wondering why the MN16 would flash, but the P91 would not.

Anybody have the specs of both bulbs? I've read the P91 is a 6.8V bulb.

There are those that say the P91 and MN16 are the same bulb, but I am not so sure. Maybe potting is different. I can't find my MN16, but it is frosted too, while the P91 is not frosted. I think that the MN LA's are more robust than the P LA's.

Bill
 
ahh wheres this soft start switch and how much is it?

SO less runtime, and itll burn out my switch.

its safer, thats it?

or for use with much higher wattage and voltage bulbs, but at much lower runtimes, i guess.

I was excited for the 18650s but the 16340s have made an immediate smaller but brighter light.

one IMR in a 3P with an SF led.....or an EO 4

and two in a 6P with FM1794

At Least I have the bodies you need for these new cells.

I have spent so much money ....i have so many lights.
 
There are those that say the P91 and MN16 are the same bulb, but I am not so sure. Maybe potting is different. I can't find my MN16, but it is frosted too, while the P91 is not frosted. I think that the MN LA's are more robust than the P LA's.
I believe they are pretty much the same actual bulb, although obviously the assemblies are different so there may be different resistances which could account for slight variations in performance.
 
Ya, but a P91 is on the edge, I'm still wondering why the MN16 would flash, but the P91 would not.

Anybody have the specs of both bulbs? I've read the P91 is a 6.8V bulb.

I'm trying to remember if I have already commented on this or not.... But it would be recommendation to avoid the MN16, MN11, P91, and 1794 on 2xIMR18650 configurations as they are all going to be pushed really hard like that.

Tell ya what... I have a P91 here that doesn't work quite right.... It runs fine for like 10 seconds, and then when it heats up, a connection somewhere is broken within the assembly somewhere and I don't care to bother trying to fix it. In that first 10 seconds it behaves pretty normally... I'll load it up with a pair of my Emoli cells and see what happens...

Report coming soon...

----------------------

Rested cells at 4.11V per cell, no instaflash, noticeably brighter and whiter than any other batteries I've driven it with. Keeping in mind that this bulb may have a point of higher resistance somewhere in the electrical path that other P91s don't...

Now the question is... do I try the same test with fresh-from-the-charger cells? hmm....
 
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mdocod, I originally read your post incorrectly (#94) saying that the MN16 would flash, but the P91 was okay.

I now see the MN16 incompatibility was listed under the IMR18650 heading and the P91 is not listed at all under that.

I was planning on running MN16's and P91's on 17500 and 18500 IMR cells if they become available.
 
I think that AW's new soft start tailcap setup for the Surefire C,M,P series will allow us to run our P91, MN16's, and MN61's with fully charged hi cap 18650's regular, or the IMR 18650's, without danger of instaflash. Not sure though, but I will experiment when my AW tailcap mod shows up.

Bill
 
Depends on what your goals are:

One option is the HO-M6R, 700 bulb lumens, 13 minutes estimated runtime.
The other option is the IMR-M6, (not yet released as far as I know), which will be 1000 bulb lumen, I'm guessing closer to 8 minutes runtime on that (but don't have exact bulb information to work with on that).

The other alternative is an FM bi-pin adapter and a WA1185, which would probably be something like 1200 bulb lumen, with a runtime of maybe 7 minutes.

Eric

I'm planning on trying this. Know anyone else who's tried it? Looks like it's within the cells specs.

These new li-mn cells are bringing me back to the dark side. the p7 and mc-e turned out to be a bit disappointing.

I can't wait to get 1000+ lumens out of my g3.:devil:
I hope it works...
so awesome.
 
i have a 9P with a FM1794 bulb and 2x18500 body.
i must say this small light rocks!
its one of my favorite lights!
is there a brighter setup i can choose? by looking at some of the setups here i think the 2x16340 body and 22W axil bulb is the way to go, but im not to sure!
 
The 22W axial bulb needs 3x Li-Ion cells, not 2. 3x IMR16340 would fit in your 9P. It's a very interesting bulb. It gives a very good flood beam, not a spot beam at all. I wouldn't say it is noticeably brighter than the FM1794, but it is difficult to tell as the beam characteristics are so different.
 
its more spot im intrested in! if there is not much of a difference in output i think i'll just stick with my 18500 setup which i am super pleased with!

i might check tonight but how long before 50% left on the light?
 
I purchased 3 X IMR18650 to run a Wolf-eyes M300. I will report if it instaflashes the bulb. If so, I'll use them 1 at a time with my WE D26 incan instead.
 
I'm planning on trying this. Know anyone else who's tried it? Looks like it's within the cells specs.

These new li-mn cells are bringing me back to the dark side. the p7 and mc-e turned out to be a bit disappointing.

I can't wait to get 1000+ lumens out of my g3.:devil:
I hope it works...
so awesome.

You are so going to melt your light
 
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