Sofirn SP10S (left) and Sofirn SC31 Pro 6500K (right). SC31 Pro looks a bit greenish on the picture, but it is not.
Sofirn SC31 Pro 6500K.
Probably somebody would like to share a beam picture for SC31 Pro 5000K. Would be very interesting to see how 5000K tint looks.
+1
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Thanks for sharing the beamshots :+1:
Really appreciate that.
I’m still waiting for my SC31 Pro to arrive.
Sofirn SC31 Pro SST40 5000K arrived today! I swapped the 18650 tube and tail cap with an 18350 tube and magnetic tail cap.
Time to learn how to use Anduril. 
Sofirn SC31 Pro SST40 5000K turbo with KeepPower IMR18350 1200mAh (left) and Lumintop Tool AA 2 NW max with LADDA AA (right)
Thanks for sharing beamshots! SC31 Pro 5000K looks cold in turbo.
Left to right:
Manker E02II SST20 4000K with Vapcell INR10440 set to max;
Sofirn SC31 Pro SST40 5000K (?) with KeepPower IMR18350 set to turbo;
Lumintop Tool AA 2.0 219C with LADDA AA set to max;
Sofirn C01S SST20 4000K with LADDA AAA set to max.
Left to right:
EagTac T25C2 XM-L U2 CW with EagTac 18650 3400mAh set to max;
Olight i3T with dc-fix and Vapcell INR10440 set to max;
Sofirn SC31 Pro SST40 5000K set to turbo;
Manker E02II SST20 4000K with Vapcell INR10440 set to max.
I’m not sure if I’ve got 5000K or 6500K.
My old Sony RX100II camera thinks the hot spot is about 4500K and the outer bit is 5300K for the Sofirn SC31 Pro 5000K on turbo.
Thanks for sharing more beamshots!
I quess it is SST40 5000K. As far as I know, the SST40 5000K starts at around 4000K in low modes, and becomes colder when you ramp it up. So I think it is fine that in turbo it looks colder.
I added some dc-fix and the beam now looks much nicer.
Is the SC31 Pro safe to use to charge KeepPower IMR18350 cells?
500mA to 1000mA charge current? Terminates at 4.20V?
ZL SC64c LE, SC31 Pro, GA
ZL SC64c LE, SC31 Pro, GA
I think you can do that with a 500 mA USB power source. Don't use a quick charger. You might have an older phone charger sitting around.
I tried charging a KeepPower IMR18350 in the SC31 Pro.
Discharged to 2.8V.
Setup:
- Wall wart with USB-A socket providing 5V 2.4A output
- USB-A to USB-C cable connecting wall wart to USB-C input of the USB Tester
5V 1.17A initially when around 2.8V
5V 1.09A when around 3.2V
When I switched to USB3 output from a laptop, it dropped to 5V 0.86A.
It’s probably not the best way to test…
KP 18350 1200mAh has a 1.1A max charge. 1.17A is a bit on the high side.
EDIT:
I later charged it with an XTAR VP2 to 4V and then inserted the 18350 into SC31 Pro to charge it more. 300-500mA charge rate. It terminated at 4.16V. I put it back in the XTAR VP2 to get it to 4.19V.
I suppose this is one scenario wherein a lower-rating (older) USB power adapter will be useful…
In general, I often shelve aside lower-current (older) USB power adapters since I want to charge my USB devices with at least 1 Amp or higher.
I have a related question: I have some “poor quality” USB cables that pass very low current, eg. even if I use a 5v/2.4A USB power adapter, it will only charge at 0.5A or lower, compared to when I use a good quality USB cable. Will using a “low-quality” cable to limit the charging current be safe to use?
Not sure. I found an interesting blog post about this:
Well, that explains my observations. I'm glad I have one of those cable testers.
Where’s the best place to buy D-C Fix?
How much do you want? Boaz sells small quantities or Amazon if you need more. The milky is the original.
Thank you
Just wish it wasn’t going to cost the same amount in shipping for New Zealand
Still worth the purchase though!
SC31 Pro with DC-Fix from Boaz:
Video of SC31 Pro 5000K going from Turbo to low with DC-Fix:
https://i.imgur.com/mwD14jH.mp4