WildTrail WT90 - SBT90.2 1800m+ throw 90mm 3x 21700 With Texas_Ace driver

The prototype is officially in the mail on the way to TomE for a more in depth review with beamshots!

Look'n forward to seeing it!

awesome !

Added the manual for the light to the second post

I do like deep (but not extremely deep) reflectors. While spot brightness is not affected, some of the spill that is in shallower reflectors is in deep reflectors converted into a bit wider hotspot, which is where I find the light more useful than going to the side.

This Wildtrail light, from what I can see, has about my ideal reflector depth.

i am getting very excited for this WT90, specifically because i got my MF02sV2 delivered last night, which is an awesome light. And this WT90 (i believe) will trump the mf02sV2, based on the reflector width (74mm vs 90mm), battery type (3 30t’s or 40t’s!), and design for thermal capabilities. I mean i could be wrong, and i really like my mf02sV2, but i see this WT90 being on a whole different level while being close to the same size. which is exciting.

Oh, and plus the WT90 has Narsil UI, which is just MUCH better then the stock Astrolux UI, i think most of us would agree. lol.

If they are ever mass produced, I am in for one of each color.

That MF02S v2 rating of 6500 lumens is way out there. I see Flashaholic got more reasonable #'s, think 4800 at 30 secs, 5600 at turn on. I'm even surprised it got 5600 lumens at turn on - that's impressive for a SBT90.2 in a factory stock light.

I'm assuming the short MF02S v2 has 4 parallel cells?

I agree, 5600 lumens is very nice. My Noctigon K1 SBT90.2 was 5,100 lumens at turn on and I know Hank pushes the envelope for sure.

Interested in a silver one.

2S2P

I agree, and i’ve shared this before, but i’ve come to reign in my expectations on the lumens of the sbt90.2 (just because i’ve seen enough reviews on these lights online and their lumen ratings form members like Matt smith and flashoholic) that it is much more realistic to achieve 4200-5000 lumens, or so it seems. Like with Lumintop and astrolux specifically, claiming 6500 lumens, it just seems like when they’re tested by end users they dont achieve that, stock that is.

The mf02s V2 looks like 2s2p, (2 batteries facing positive up, 2 facing positive down), so i think thats what that means right?

Also, when i do “battery check”(5 clicks from off, iirc) it counts out up to “8, 4” with flashes on the button light. So… 8.4 volts of course.

I am Interested in a silver one please,
what a Great design - it is a Beautiful light!

Why wait until then? The price will be higher at that point?

Also, “mass production” is a relative term, they don’t plan on kicking out a 1000 of these like larger companies. This group buy will really set the tone for how many they make long term. It will remain for sale after the group buy though.

Unless they have higher bin SBT90.2’s now I don’t see 5600 lumens, the GT90 which uses 8 cells and runs around ~30A of current can just manage 5k lumens IIRC.

The MF02S v2 must have a buck driver if the cells are 2s2p, and getting a 30A buck driver is no small feat as we all know. Something doesn’t add up, maybe they found a much higher bin SBT90.2?

for what its worth, Martin’s original groupbuy thread (groupbuy: Astrolux MF02S SBT90.2 (600kcd) ONLINE) has a claim by Astrolux that they are using a “35 amp Constant Current Driver”. I dont see that claim on the sales listing on BG anywhere, so no telling if that ever happened. But 35 amp CC seems … expensive? I don’t know.

Interesting, maybe they pulled off a high current driver. If it was actually driven at 35A then over 5k lumens should be possible.

Yes, a driver like that would be quite expensive, although I have a feeling they went the cheap method to cut costs but in this use case it would still do the job. Still not cheap by our standards though.

Interested in one in silver/bare ano, price for performance is very very good.

Just for fyi, from my HK90 tear down (https://budgetlightforum.com/t/-/64075/39):

Now for the ultimate test - solder topped 30T cells, fully charged:

  • lumens start-30secs: 20500 - 17580 (Tom E @'s), 18090 - 15510 (maukka cal'ed)
  • 820 kcd (1811 meters)

So that's 6030 lumens per LED at start. I used 18 AWG wires, 3 pairs, and 20 AWG spring bypasses.

Did you measure the current? Either there are higher binned LED’s floating around now (very possible as these LED’s were still very new with the GT90) or the numbers from the GT90 were off it would seem as we know it was pulling 28-30A of current.

I know my numbers were bathroom readings using an L6 for “calibration”, so not exactly tip top quality lol.