That’s right, we suggested the little white polarity protection discs that other companies use.
I think some protection rings for the Q8 could be machined from plastic or delrin or even 3D printed. The hard part seems to be getting them too stick to the driver. I think that’s why Thorfire decided to not use them. They kept coming unglued.
The prototypes of the Q8 used two raised plastic rings, on both sides of the brass ring, it was indeed kind of a manufacturing head-ache for Thorfire so they asked to not use them in the production Q8 and we were ok with that because most batteries are wrapped around the edge anyway, and ultimately the springs were there as a safety backup.
You got a special ROT66, I only got 3 cells in mine 
I had an oopsie yesterday. Testing the Keeppower 6000 in my D4S then putting the 5200 back in and had it reversed, positive to the tail cap. I almost tightened all the way then when the Aux Leds didn’t come on it triggered my brain and I undid it with heart in throat. All good 
Yes, 3 batteries
The D4 had not full reverse protection, the driver protects itself but the battery drains at quite some amps (I believe it was 8A). So if noticed immediately it is no problem, but if kept like that you have a big problem. There was talk about this being improved for the D4S but I’m not sure. Easy enough to test with the tailcap off and a clamp meter (don’t have a D4S myself).
I would like two
AZ US
Interested. Amazon US
One please. Amazon USA
Interested please
I measured a Samsung 25r backwards in a D4. Heated the battery tube up to 115C (215ºF) in about 1 minute. Big Problem is an understatement.
Out of curiosity, would it be possible to order one of these without the emitters? Could you ask Barry what the price would be in that case? I’d only be getting one to swap something else in, and I don’t want to pay for emitters I’ll never use.
In for one. Amazon us
Also 2x battery extensions! That would be awesome… do it guys!
People seemed pretty exited that Sofirn was selling parts .. i looked and my first reaction was the parts weren't all that cheap and just buying a light is going to be about the same as the parts you want.
I kind of find this to be true about most hosts etc for sale.like a s2+ host for 10$..doesn't make much sense not to just buy the whole light.
Interested in one. Amazon US. Thanks.
Interested
In case you don’t miss the information. Sofirn Q8 is available in our aliexpress store now! Click me
Just place the order and leave a message saying your BLF ID before payment, our staff will modify the price for you, you need to refresh to find out!
Oh, one more thing, long tube for BLF Q8 will come out soon.
Interested
I gave someone an original SRK once. It came back a few years later with two toasted springs because someone put the cells in with alternating polarity. It should be obvious at a glance which way the cells go, given that it has all the springs on one side and a solid contact ring on the other side, but apparently that’s not enough of a hint.
Any chance to send 4 x 30Q with the Q8? I think it is legal to send to Canada if inside a flashlight.
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