Sooo….it is a gimmick? You said it was a hoot not that it was useful! 
When recharging, the FC12 doesn’t require the tail switch to be clicked on. Does this mean it’s not truly mechanical and does not provide a physical lockout? Not necessarily a major concern for a duty light but something to be aware of.
I’d also rather use non proprietary batteries, but given the flashlight “has” what I want, it is a risk I’m willing to take in that model.
Klarus is doing the same thing regarding their similar model (E1).
From the manufacturer standpoint, they are creating and feeding a niche [good for them…] while for us customers it is another PITA, not having easily available cheap batteries that can be used in that/those flashlight(s). And we know that most manufacturers care about the customers’…money!
I also agree that their non-proprietary batteries are overpriced and we can easily find other substitutes. Only a true fan/fool would buy them. Maybe like Nitecore batteries too.
We can only hope that the market doesn’t become flooded with lights w/ proprietary batteries. But if they have what I need/want, I may risk it…
Sorry Markus for derailing the thread :person_facepalming:
BTW, Markus, can the FC12 be charged with any regilar USB-C cable or only the included one? TraiTrek had some complaints regarding the SC21 only taking the included cable, so I wanted to know, too! Thanks again!
When I screw off the tailcap and create a contact between tube and negative terminal the light comes on as I would expect from a mechanical switch system. It seems to charge no matter what position the mechanical switch is in. I have to check. Interesting.
Not a derailing as it was a big part in my original review. I am feed up with the proprietary battery system but I see the advantage in a professional user context. For emergency prep, survival, general use it is a nightmare though.
I am charging the light right now with a generic USB-C cable and it works fine, did not even unpack the original one yet. I have used a few different cabels on it so far. No problems unless perhaps u use a very fat one 
Naw, it’s really handy. Normal creamy-white light, handy-dandy red to not get et by bugs when going outside, UV to make opossums fluoresce red.
It is hard to overstate how awesome the WK30 is: The primary light is creamy neutral white perfect for close-up and midrange. Floody, good color rendition. Perfect to explore stuff and take pics, make a movie. The UV (now 365NM!) and redlight are very powerful and with a good, floody beam each. All of that is powered from a 26650 cell giving long runtimes. All of it in a very compact and super robust package. And there is a red/white strobe for the child in each of us with the UI as perfect as it gets with a single electronic switch.
The WK30 has a slot in my EDC-backpack and it will go with me everywhere there might be something to discover. The best light for the money, more or less a true must-have.
Thanks for your feedback on that
Perhaps the smaller body of the SC21 has less space for different (fatter/larger) cables. My RovyVon A23 doesn’t take all cables as well, and also other lights with micro USB, so I asked for that and it’s good that it can be charged by different ones
Yep. I was able to fully charge a battery in the FC12 with the tail switch in the off position. There’s a PCB visible below the tail spring so clearly not a simple mechanical switch.
Edit: Using an amazon cable, not the included cable. Works fine.
Here is my 3D printed tactical ring for the FC 12:
The ring is designed so you first pull it into the clip and then move it over the battery tube. Screw on the tailcap. If someone would like the stl-file I can share it.
UV makes opossums glow? Very interesting! Is it as creepy-looking as it sounds?
I guess I’ve hesitated to get a UV light because I’m worried I’d somehow inadvertently make my crummy vision even worse. Also, why does this model have no knurling? It looks like a diving light and I’m not a big fan of that look.
Thanks for review. I ordered one. And not be the last.
The white parts of their fur glow pinkish-red, yeh. Got it on video, too.
The WK30? It’s hourglass-shaped, so you ain’t gonna be losing it anytime soon if you grab it around the middle.
I like it. It’s not too “busy”.
You kann still wrap it or ask your grandma to knit something nice for the WK30 :confounded:
UPDATE Here are a few pics showing how my FC12 looks like after many drops to the hard floor and more than a dozen shifts. It has run now for many hours, mostly on medium settings. I also had to use it as searchlight on runaway folks. The range of the light made a difference in the effort. 100% reliable and pleasant to work: It just works, a great tool. BTW: It greatly benefits from the tactical ring at least the way I use it. To my surprise the PLA (+) print does not even break
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Yes, many different colors. And it holds up great. I don’t know if it is a PLA+ variation of PLA but it really does well.
I added a 2mm ZWB2 filter and it fits in the hole.
Hey can I have the file? Thanks.
Thank you. I printed one with your file and it’s solid.
What diameter did you use?
The Ali-Link doesn’t work anymore.