You say that like it’s a bad thing?
I think of it as theft deterrent.
In fact, hey, I’d be happy to buy an extra, de-lighted, SS tailcap with the pink boot, for each light.
C’mon.
In all seriousness — those of you who’ve been using the lighted tailcaps — do you ever need to switch from storage-mode to daily-use-mode? Wouldn’t you want just to swap a tailcap, to do that? Or do you just pull the battery if you (gasp) ever put the light away for a while?
Dang Dale, this is real flashlight porn. The X6 ad X5 would be great additions to my copper collection, currently I only have the tiny CooYoo in it though 
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With just one resistor, the X5 should get 40 to 57 days of standby time depending on the cell capacity (600mAh to 840mAh). The X6 should get about 6.7 months on a 3000mAh cell.
So if you use the X5 at least once per month, or use the X6 at least once every few months, they should be fine. If it’s going to be longer than that, take the battery out.
I don’t know about anyone else, but I only keep cells in my favorite ~20 lights… and I use (or at least check) all the li-ion ones at least monthly.
Thanks Tom, I have 6 full copper lights and 5 with copper pills and heavy fins. 
A few I intentionally allow to darken, a few are polished and treated. I tried treating the exposed copper fins on the Texas Poker, but hanging around my neck virtually 24/7/365 for nearly 3 years none of the finishes stay on it. So I clean it. All the time. lol
Hmm interesting, i didn’t know the CooYoo came in copper i thought it was only Ti & SS.
Have you opened it? Can we get in to the driver & change the led and so on.
EDIT sorry i just saw the big CooYoo thread, i had been ignoring that because i missed they came in Copper also.
I just saw they come do them in aluminium also
Does anyone know if there exists a IMR10180 cell or is there only weak ICR’s available for them.
The ridiculousness of this statement is what’s so fun about BLF.
I only own about 20 lights, but that number is growing
What is the expected lumen output rating for the X6 v2 and for the X5?
I know it’s been posted before somewhere in this thread, and maybe a few times, I tried to find it but couldn’t. I should have wrote it down.
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If possible for the X6 I’d like to know 2 different output ratings:
1.) With a top of the line high capacity Li-Ion (such as the NCR18650GA)
2.) With a top of the line high discharge IMR (such as the 30Q)
(both unprotected)
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Even good estimates would be fine.
Whatever dude. I don’t have a problem. I can stop any time I want.
It’s pretty close to the BLF A6, actually. Dale measured ~1250 lm to ~1500 lm depending on the cells and what he did to the springs.
I think it’ll probably be slightly less on a low-amperage 18650 cell, or significantly less on a low-amp 14500 cell. The 840mAh cells I’m using have great capacity but aren’t good at doing more than 3 amps. I just put one of those in the charger so I can measure it soon.
This could additinally work:
Does TK say it will run just fine if we swap the tail cap switch to a stock one (I think yes, but I would like to hear her final judgment)
For thoes of us who dont have a surplus of X6’s laying around, As the SS/Cu light has non standard designs, exactly what “stock” switch is used (as in part number and/or model name) (would hate to learn that the planned replacement does not fit) best to answer that before rather than after delivery.
(it cant be that much more $0.00 to have manker include two alternate stock switches and two black caps in the set) I would like to think, better for us to buy/secure them in bulk. It is definitly easiest, as part of the kit.
Oh and a rhetorical question (why does a “pink” cap look blue when turned on)?
Thanks, I’ll look for your results with the 840mAh. wish I could find those posts from Dale on the X6 with the different cells.
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Also thanks for this, first time I laugh today 
Please add me to the list for the stainless/copper neutral white.
Thanks so much.
Matchoo
I’m really starting to like the purply/pink boot color after initially saying it may not be preferred. What color is the LED going to be in the tail for sure?
Also, please put me on for 2 more sets of the Aluminum version, at $45/set, that’s awesome for what we get and for presents. Are the boxes separate if you wanted to break them up?
The led in the tail is blue, or should I say they both are. Hence the pinkish transparent boot looks blue or a purple hue. The solid post in the middle looks pink, with a blue circle around it and pink edges. I think it actually works well with the red color of the copper, but whatever.
> blue
Damn. That’s the default cheap and easy choice. Way too many blue LEDs around our house already. All with tape over them.
You get old enough and the glare from blue — think headlghts, but even the little tiny ones — makes starbursts and blue fog. It’s just how aging eyes work.
But I can paint phosphor over it, right?
Yeah, but they’re under the boot, so they won’t be glaring like those blue LEDs you (rightly) are complaining about. And the final color of the light emitted will really depend on the color of the boot. I think its supposed to be a white boot, so the final glow may be blue-ish (pale blue maybe?), but it won’t glare like the power light on your bluray player.
I can’t wait to feel these in my hand. The weight of copper and stainless; the heat from the over driven led Maybe make my first triple… still debating doing that to one of my a6’s……
Good work my friends and as always thanks for the awesome pics, testing and organizing!
I thought so too. Pink is probably my least liked color, but it looks decent on the copper. I think a clear cap might actually stick out too much. Not really a big deal anyway, boot covers are really cheap to replace.
Do we have weight measurements on the aluminum x6 & x5 vs the SS/Cu counterparts? I’m just curious.