I don’t have many unprotected button-top cells, so I did the same thing I usually do when I need something like that… solder-blob the top of flat-top cells.
To make button tops usually I cut up some copper sheet into a tiny disk and solder that on top with solder paste. I leave the iron on just long enough for the paste to melt.
I find that copper wears better than bare solder when its rubbing against springs and other parts of a battery compartment.
I don’t think he means solder the giant brass ring. That’s too big for most soldering irons. Plus it would need to be filed flat afterwards (I assume) and that requires even more unnecessary work.
Perhaps it’s best to remove the plastic(?) rings and sand them down just a little. It sounds like they may be a bit too tall.
My will have this mix:
XP-L HI 3A 6 pieces
XP-L HI 5D 3 pieces
XP-L HI 1A 1 piece
Nichia 219CT 4 pieces
XP-G2 S4 3D 4 pieces
I would like to achieve the color of 4800K and Duv zero or slightly under BBL.
I wonder how many lumens it will generate. I invented such a system:
I was thinking of a carrier when I said to solder blob the pads, sorry.
TK showed how to pop the ring off the battery contact side of the driver to gain access to the screws, if this ring is removed and sanded down some the cells should work fine (you’ll have to monitor the height as you sand) the ring is made from the same fiberglass style material as the pcb of the driver. It can be left off, disabling reverse cell protection. You would then have to make absolutely certain you never drop a cell in the tube backwards.
Only nichia stands out from the rest, so if there is a problem with her, I will put something else. I have all the LEDs, so I do not risk anything. It is worth a try.
As for protection, I abolished it long ago. In M43, I got rid of the ring and cartridge in the central part. I do not have protection (as in all my other flashlights) but I can use any batteries.
That’s probably three different Vf curves for the three different emitter types… and half of the emitters aren’t evenly spaced. You might get a better result by just mixing 12 x 3A and 6 x 5D.
As far as removing the ring goes, why not? The Q8 doesn’t have any reverse polarity protection, does it? Same thing, no? If my copper tabbed cells don’t fit, I may be removing that ring.
With the individual TIR’s virtually covering the entire MCPCB, where would the auxillary LED’s go?
Looking at these images from TK, there is a cover plate that holds the TIR’s in the correct position and eliminates all gaps (as seen previously in the M43), literally covering the MCPCB in it’s entirety. So where would an aux LED be seen? Nowhere up top for sure. Not without a lot of alteration…
Lexal has been able to squeeze aux LEDs into every other Emisar light. I’m sure it could be done on the biggest one, especially if it was designed into the board from the beginning. They would still glow up through the lenses, or use an unpainted clear or opaque material for the cover plate.