Review TrustFire TR-3T6 Triple XM-L T6 5-Modes Memory LED Flashlight (3x18650)

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benckie
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my daughter was bugging me for a bush walk and wanted to see some kangaroo,s so we took the TR-3T6 and the Tr-1200 out for a walk just over 30 Min's.

we ran them both on high the whole time, the TR-3T6 is great for bush walking as the spill is decent, the TR-1200 out throws the TR-3T6 and at approx 80 meters the TR-3T6 will light up a talk bushy tree completely and the TR-1200 will light up most of the center of it and I'm talking about a decent size tree.

the TR-3T6 host got warm, a bit warmer then the TR-1200 but not hot and after being on high for a tad over 30 Min's the current draw on the TR-3T6 was 2.89 amps i could not be bothered going down to the shed and getting my temp gun out to see exactly how hot the screw in was as it would of cooled down to much.

after sitting for about 2 Min's i unscrewed it and could hold it in my hand as it was not that hot pritty much cold and had cooled off, I'm confident i could run it longer then that and when I'm not so buggered from work ill take it on some longer bush walks.

there is two models of the TR-3T6 and i got the 3 x 18650 model, there is a 2 x 18650 only, but i got the one you can run 2 or 3 18650,s on.

benckie
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agenthex wrote:

benckie, it would probably be a better use of your time to check for draw as the batteries deplete, to verify that it's same type of driver as 3800.

Even within regulated lights, the constant power regulation it does is kind of odd, since passing 4A+ as the cells go down is probably one contributing factor for the failures that're occurring with them.

 

agenthex wrote:

Well, "constant" power is generally not the case with regulation, which is usually constant current. That's why it's worth checking the draw after running, say, 30min.

it seams your talking about the sky ray

any way for a tad over 30 Min's on high the current draw on the TR-3T6 was 2.89 amps on trust fire flames

so its looks like the driver is not the same as the sky ray 3800.

the TR-3T6 3 x 18650 seam,s to have a higher draw then the TR-3T6 2 x 18650,s from what ive seen on the net... and its the only one out of the two with a claimed 3 amp draw.

2100
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Doing 3 x 18650 scaled exact, ie IIRC it was 2.05A for 2-cell, and i put in the 3rd one and it would be 1.36A.  Anyway, my experience with this vs the Sky Ray and 2 DRYs is that there is a lot of mass for the drop-in to soak up the heat, and it is not a lot due to the slightly lower drive levels.  So i am sure this would live, but i have only done 2 x full discharges.  I am happy with this, and won't be torturing the light.

benckie
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the drivers have to be diffent to the light i posted, the TR-3T6 3 x 18650 is rated for 12.6v max and the sky ray 8.4v max so the driver has to de diffrent.

its a great light not a thrower but an awsome light any how and i will be torturing the light, as i like to use them for extened use, i have not added any artic silver thermal compound to it and ill see how it goes in stock forum from the factory, like my tr-1200 that draws 2,05amp that has had many use's from 30 to 50 mins and one 85 min run, i have not added any thermal paste to the screw in either.

if the current draw remains steady after 30 mins of use on high and the sky ray jumps up to 4 odd amps the TR-3T6 should out live the sky ray.

the TR-3T6 3 x 18650,s on high for a bit over 30 mins straight was not hot to me, but hot to my hands is around 70 degrees i would guess it was around 50 degrees c, maybe a bit more, it was a cold night and i find they get a bit of active cooling while bush walking as the torch is always moved around, a hot summers night would be a good test.

i should put my temp gun on it and once the rain goes away i will take it on some long bush walks and run it on high the whole time and see how it goes, i think its a great torch and in my opinion if it has a steady draw its better then the sky ray, for longevity

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Just for reference I ran my 2 cell version for 25 minutes on high, then measured current and unloaded battery voltage.

Batteries used: Xtar 2600mAh 18700's 

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fran82
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Anyone can tell me what dropin fits in this TrustFire 3t6? It can fit "not threaded" dropins like the 3xml skyray? or the modules designed for the WF500?

 

Thanks!

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benckie wrote:

agenthex wrote:

benckie, it would probably be a better use of your time to check for draw as the batteries deplete, to verify that it's same type of driver as 3800.

Even within regulated lights, the constant power regulation it does is kind of odd, since passing 4A+ as the cells go down is probably one contributing factor for the failures that're occurring with them.

agenthex wrote:

Well, "constant" power is generally not the case with regulation, which is usually constant current. That's why it's worth checking the draw after running, say, 30min.

it seams your talking about the sky ray

any way for a tad over 30 Min's on high the current draw on the TR-3T6 was 2.89 amps on trust fire flames

so its looks like the driver is not the same as the sky ray 3800.

the TR-3T6 3 x 18650 seam,s to have a higher draw then the TR-3T6 2 x 18650,s from what ive seen on the net... and its the only one out of the two with a claimed 3 amp draw.

 

That's interesting. It's actually proper constant current on yours? Is it 2.9A w/ fresh cells?

Reading this makes you smarter: http://lesswrong.com/

benckie
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well between all my batteries i get a diffrence from 2.6 to 2.9 amp draw over 2 x 18650,s but after 30 mins on high it was only a slight increase of less then 0.2 amp.

it would seam the TR-3T6 3 x 18650 has a better driver then the sky ray 3800 and going by atbglenn test it shows the TR-3T6 2 x 18650 is as well.

i would recomend these over the sky rays as these should last longer

once the rain goes away i will take it on a longer walk on high and re-test

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benckie wrote:

well between all my batteries i get a diffrence from 2.6 to 2.9 amp draw over 2 x 18650,s but after 30 mins on high it was only a slight increase of less then 0.2 amp.

it would seam the TR-3T6 3 x 18650 has a better driver then the sky ray 3800 and going by atbglenn test it shows the TR-3T6 2 x 18650 is as well.

i would recomend these over the sky rays as these should last longer

once the rain goes away i will take it on a longer walk on high and re-test

Lower current, better heatsinking= longer life. So far I'm thrilled with mine. The only thing I don't like is you have to cycle through the disco modes. I wish Trustfire would have at least hidden those modes. I really can't complain because for the price, you can't beat it. A truly excellent flashlight..

Boycott Nike

benckie
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i agree, i also dislike the the epo modes as well, i can really see the need for s.o.s and fast strobe unless your keen to see if you can be prone to a epileptic episode atlest they have mode memory.

great flash light one thing that drew me to the 3 x 18650,s is run time and higher voltage less current less heat, with the proper constant current these things should not fail like the sky rays with extended run times.

maybe people will look at these before the sky rays, but the sky ray following is pritty strong even since there is 3 difrent types and the new one witch makes 4, but drawing over 4 + amps after some use will shorten the life drasticly and produce a lot of excess heat.

the TR-3T6 gets my thumb,s up and im glad i canceled my sky ray order and got this one in stead ive been realy impressed with my two trustfire's.

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got my TF 3T6 and i was pleasantly surprised that it is able to run on one 18650. Does anyone know of any disadvantages for it on one 18650?

fran82
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Did you measured the current draw with 1x18650???? maybe is too high! 5A+ or more! (or not)

 

How did you managed to run it with ONLY 1x18650???

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2100
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Hey yes! The 3T6 runs on 1 x 18650! Haha!    My Sky Ray does not run on 1-cell, just does not light up.  So the drivers are different definitely.

2.65A on 1 x 18650 with Solarforce battery at 4.23V (!!! tends to overcharge on the WF-188...hmmm).  The value should be somewhat wrong (due to DMM voltage drop inside the meter), but not too far off.  2-cell is 2.1A actually with fully charged cells and 1.37A on 3-cell.

 

How to run on 1 cell?  Just put coins at the back.  Or if you want, magnets.  You can do it safely here.  DO NOT USE THAT AT THE POSITIVE END, esp with unprotected cells, sure short out in an accident. (eg hard knock)

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But, how it is possible to fit ONLY 1x18650 and get it working?

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2100
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fran82 wrote:

But, how it is possible to fit ONLY 1x18650 and get it working?

Coins.  In this mode, you can also do 2 x 18500. 

2100
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1 x 18650 @ 2.6A  does 87 lux reflected ceiling measurement.  Compare this to 130 lux with 2-cell operation, drop of 33% well...not too bad.  How much is that 87 lux?

Right after this, my Ultrafire P60 XM-L does 3.1A with the same battery in a L2T with wrapped aluminum foil, got 54 lux.  After 30 seconds it dropped to 41 lux.  25% drop due to heat. Big Smile   And it continues to drop.....

Compare this to TK70's 250 lux, and the DRY triple at 310 lux initial and 250 steady. (if you are in sub-zero with a light breeze you probably do about 290-300) Those lights haul ass.

xed888
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I have an AW so current draw should be ok, charging them up again for current draw test. I think driver is rated for 1,2 or 3 cells.

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2100 wrote:

1 x 18650 @ 2.6A  does 87 lux reflected ceiling measurement.  Compare this to 130 lux with 2-cell operation, drop of 33% well...not too bad.  How much is that 87 lux?

Right after this, my Ultrafire P60 XM-L does 3.1A with the same battery in a L2T with wrapped aluminum foil, got 54 lux.  After 30 seconds it dropped to 41 lux.  25% drop due to heat. Big Smile   And it continues to drop.....

 

so it seems that 1 cell is not so good for lumens?

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xed888 wrote:

so it seems that 1 cell is not so good for lumens?

Nope...but nobody cares, it is small enough to put into your pocket and its like 15mm longer than your C8 and you don't have to buy 18500s.  And the 18500s don't pack as much energy into the cells while i am sure most have good 18650s here.  A Panasonic 2900 / 3100 should be a piece of cake even at 4A.

The Sky Ray can do 2 x 18500 and be a bit brighter (not sure how's the status of the reliability now + ordering from the stores, mine is rev 0), but definitely cannot do 1 x 18650 coz I tried.  You can order a pair of 18500, but at an extra cost though not much.  If you have lights like Sky Ray STL-V2 or Fandyfire STL-V6 (both are same light), then your 18500's investment is not wasted as they can use that as well.

 

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My 2 cell version runs on 1 cell as well at just over 3 amps. The Xtar 2600 measured just a little over 4.1 volts unloaded at the time I tested it.

Edit: My original test was incorrect at 2.49 amps. Not sure what mode I was in, but it wasn't on high.

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2100
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Seems like it is direct drive for 1 cell voltage.  I tried a lower voltage cell @ 3.75 and it did 1.65A.

2100
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atbglenn wrote:

My 2 cell version runs on 1 cell as well at just over 3 amps. The Xtar 2600 measured just a little over 4.1 volts unloaded at the time I tested it.

Like i said to Agenthex, i need to get a new meter!

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2100 wrote:

atbglenn wrote:

My 2 cell version runs on 1 cell as well at just over 3 amps. The Xtar 2600 measured just a little over 4.1 volts unloaded at the time I tested it.

Like i said to Agenthex, i need to get a new meter!

What are you using now?

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2100
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atbglenn wrote:

What are you using now?

The same one which HKJ evaluated as the cheap meter as in the one you get in MF or DX (DT9205), but the leads are 10A AWG18 ones from my Uni-T.  The Uni-T (low-end about $30) went haywire when i measured HID ballasts, you know when a 100W starts up it goes above 10A.

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2100, I wish I knew what to recommend. The DMM's I own are close to 10 years old. I'm not up on current models. What are you looking to spend? 

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2100
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atbglenn wrote:

2100, I wish I knew what to recommend. The DMM's I own are close to 10 years old. I'm not up on current models. What are you looking to spend? 

Probably a Uni-T 58E, I think the local electronics shop is selling at $50.  Actually most models are around there for our really simple usage in this $$ range. For Flukes you really need to go the really high-end range.

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Looks like a great meter for the money. Very good specs indeed Smile   

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2100
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atbglenn wrote:

Looks like a great meter for the money. Very good specs indeed Smile   

The specs are definitely not real.  But I guess hopefully would be better than the really cheapo meters. 

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2100 wrote:

atbglenn wrote:

Looks like a great meter for the money. Very good specs indeed Smile   

The specs are definitely not real.  But I guess hopefully would be better than the really cheapo meters. 

So you're saying it's like the Lumen ratings of cheap Chinese flashlights. What has this world come to lol!

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i have not tryed my TR-3T6 3 x 18650 on 1 x 18650 only the normal 2 x 18650,s and the 3 x 18650,s im happy with running two most of the time, i didnt buy this cause it was a pocket torch i have others for that.

its the same as my TR-1200 it can run two or three 18650,s and the battery tube, extention tubes, glass lense and tail cap are all the same.

the only diffrence is the alloy ring inside the bezile on the TR-3T6 is where the TR-1200 drop in screws into and the head has less fins and the TR-3T6 head is larger and made for a screw in, the TR-3T6 it better handled for heat, but ive ran my TR-1200 for many 30 to 50 mins runs on high and one 85 min run on high and its current is pritty steady.

so the TR-3T6 host is just a modded TR-1200 host thats seams to be pritty common on the budget lights use in alot of torches from all over.

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