Don't forget that the TN31 is magnetic ring control, with more level modes etc...
rufus001’s Crelant tested
His figures look to be totally out. Check out the TN31
I like the look of this better than TN31 just don’t know how the 2 compare to each other for throw? My believe the TN3 has better throw, any one own both?
Nup. My figures check out. I have about 15 flashlights I have compared to each other and other reviewers ratings. I just happen to have a VERY strong TN31. It outhrows both my SR90(a poor example I believe) and my TK70.
Welcome to the cool kids' club, rufus001!
I feel cooler already!
Aloha and welcome to BLF rufus001!
Thanks!
Welcome to BLF, Rufus!!
Bro, not that i meant to be rude. I have my reasons.
The varapower turbo has a similar bezel diameter as the TN31’s 79mm bezel diameter ( VPT XM-L has a 73mm reflector) and a UCL lens (99% trans), speciallised de-domed emitter for throw and with direct-to-copper bonding (you know, that thingy that DEFT uses) so that it can be overdriven to 4A plus….and manages 100k cd stabilised “only”.
Selfbuilt measured the TN31 to be 88k cd.
You might have a very good copy. Perhaps if i may suggest and if you have time, to measure both lights (SR90 and TN31) at say 15-20 metres range? (or have you measured at a pretty long distance already?)
And welcome to the forum! 
BTW, Pok’s TMR-73 also measured 82k cd…for reference. 3070mA to LED.
Howdy. Yep. Originally started at 5 metres moved to 10 metres and finally 16 metres. It’s definitely an exceptional copy OR I have a dodgy light meter plus about 15 other lights that are about 40% under-performing luxwise.
Oops! Make that under performing by about 20%
Wow….that shd be correct then. I am wondering what is happening.
(1) The driver can put out 4A or even 5A no issue at all and could be possible with a slightly faulty driver in “high”. The UF-980L shows that the current is possible even with just 1S Li-ion. However it can only put out that much more light with 2 conditions (a) direct copper to LED bonding (b) you are at 50 deg C ambient like Yakutsk/Northern Can/Alaska so the heat is really efficiently pulled from it however it is not winter now
(2) Your U2 is exceptionally efficient, like 10 plus % more efficient than the median efficiency of the U2 bin.
I think i will opt for 2, coz number 1 is impossible as i don’t think Thrunite is capable of direct LED bonding.
BTW, your other figures look a-ok to me. (i have some of the lights like DBS V3 aspheric EZ900, 7G5).
That’s what makes me think I just have a “special” version. I checked all my readings against whatever review I could find. I just did a quicky at about 12 to 13 metres(couldn’t be stuffed moving the car). 663 lux for the TK70 and 686 lux for the TN31. I’ve previously taken readings for my TN30, TC40CS, M3C4, XTAR s1 and others and they have all been as expected. I think I just got lucky. Makes up for my crappy SR90. 
Rufus, you seem to know alot about this stuff so I figured I'd ask. What would you say the best thrower is under 300$?Price is flexible 350 isn't the end of the world.
I only know about the full production throwers not the specially produced or modded flashlights. Having said that you should be able to pick-up a superseded SR90 for a good price. If you want to go nuts at 400 odd dollars then lash out on the SR95 UT. If they’re too big then definitely the Thrunite TN31. It’s much smaller/lighter and heaps cheaper.