TrustFire TR-J12, $54-Shipped, Aliexpress

76 posts / 0 new
Last post
edc
edc's picture
Offline
Last seen: 6 years 1 week ago
Joined: 01/16/2011 - 02:28
Posts: 3300
Location: NSW AUSTRALIA

I tried some Blue 3100 18650 from Int Outdoor with the dodgy protection circuit. Light flashes once. No good as expected.

 

http://i1193.photobucket.com/albums

benckie
benckie's picture
Offline
Last seen: 8 years 6 months ago
Joined: 07/04/2011 - 08:36
Posts: 1513
Location: Western Austraila

Shopbot wrote:

Thanks benckie. Oh yeah I see now, Kramers batteries also increased (posted #26)

Just one thing now, my damn J12 won't change down to lower modes using 18650.

Prior to receiving the 18650 batteries, I did use AA batteries and it did change down modes and flicker as well.

Not the case with the 18650's though (for my 1 test at least). Would be scary using unprotected batteries..

What batteries are they ? as some crap 18650's will not hold there voltage aswell as some nimh, you light could be running in low voltage mode.

I use 2 x unprotected panisonic NCR18650A's and get a current draw over 6 amps this gives me around 20 mins run time.

 

edc wrote:

I tried some Blue 3100 18650 from Int Outdoor with the dodgy protection circuit. Light flashes once. No good as expected.

They where crap hey

Shopbot
Shopbot's picture
Offline
Last seen: 6 years 9 months ago
Joined: 03/23/2012 - 07:11
Posts: 95
Location: Sydney

benckie wrote:

What batteries are they ? as some crap 18650's will not hold there voltage aswell as some nimh, you light could be running in low voltage mode.

I use 2 x unprotected panisonic NCR18650A's and get a current draw over 6 amps this gives me around 20 mins run time.

3 x intl-outdoor protected ncr18650a 3100mah. I'm like really certain that the J12 was on high mode the whole time (there wasn't like any noticeable dim at all).

So when you were running those 2 unprotected batteries, did the J12 let you know that the batteries is nearly done? by like flickering or changing down modes automatically.

benckie
benckie's picture
Offline
Last seen: 8 years 6 months ago
Joined: 07/04/2011 - 08:36
Posts: 1513
Location: Western Austraila

Yours could have bad protection curits like the early ones from IO. Mine dims. I usualy go by time as i know what the batteries discharge like at 6.2 amps from my hobby charger test's.

Hikelite
Offline
Last seen: 7 months 6 days ago
Joined: 07/13/2011 - 16:18
Posts: 3888
Location: Honeyland

Highly doubt such thing, the same cells are sold by several reputable companies, well know fact at this time.

 

 

Shopbot
Shopbot's picture
Offline
Last seen: 6 years 9 months ago
Joined: 03/23/2012 - 07:11
Posts: 95
Location: Sydney

I actually have the one IO is currently selling (http://www.intl-outdoor.com/panasonic-ncr18650a-3100mah-protected-batteryone-p-333.html) and not the old batch (was it the grey version? I forgot) which I read people on here have issues and Hank offering them a discount on the newer version (which is the one I have).

So I guess my question is, at what voltage or current does the J12 decide to move from HI to MED/LO?

Again in case anyone missed it, the battery that the protection circuit activated, reads 3.05v (when warm) after I deactivated the protection with my hobby charger.

benckie
benckie's picture
Offline
Last seen: 8 years 6 months ago
Joined: 07/04/2011 - 08:36
Posts: 1513
Location: Western Austraila

kramer5150 wrote:

Shopbot wrote:

hey guys,

I was doing a runtime test on my one with 3 partly charged Panasonic NCR18650A 3100mAh protected batteries.

It went for 1hr then all of the sudden the flashlight turned itself off (there wasn't any noticeable dim during the hour btw).

I thought the J12 meant to change to lower modes first before shutting down completely? Is this correct?

When I checked the batteries, they were around 3.05V left in them.

I thought these batteries can go down to 2.5V before the protection kicks in and also thought the J12 can run well below 3V as well.

Hmmm, what is going on...

After reading this I took some depleted Sony 18650 cells and ran two them down in my J12.  These cells were depleted previously down to 3V in a capacity test, and deemed too little capacity to be any use.  But they're suitable for tests like this when I want to see how a light behaves when the cells run down.  The cells had rebounded back to 3.8V.

I ran the light tailstanding for a few minutes, enough to get the head very warm.  Took a tailcap current measurement and the boost circuit was pulling 5.5A.  I noticed the cells were VERY hot at this time.  Too hot to comfortably hold in my hands, so I stopped the test here (fearing some kind of melt-down) measured the cells and they rebounded back to 3.5V each.

Paused here and let everything cool down for 20 minutes.

Ran the test again.  Cells started out at 3.5V each.  Re-loaded them and ran them in HI for 4-5 minutes (as I type this), long enough to get the light warmed up again.  Measured current draw, and it was still pulling 5A, down a little ~.5A from before.  The cells were once again very HOT, measured cell voltage and it had dropped to 3.3V.  So things seem to slowly be dropping, as the cells deplete.

Paused here and let everything cool down again.

Ran the test again.  Cells started at 3.35V.  Only this time (knowing the cells will be completely depleted) I ran the test without the tailcap, passing current straight through my Fluke meter.  Current topped of at 7.2A for a brief moment (maybe 10 seconds) and started to drop rapidly down to ~1.75-2A.  Went over to the wall and confirmed HI output had dropped to MED, so the circuit was doing what its supposed to.  Truncating the HI mode.  The other thing I noticed was mode switching began to "flicker" a little between modes as I flipped.  It wasn't a crisp HI-MED-LO cut.  Pulled the cells and they measured 2.85V each, and they rebounded back to 3.25V after a 3-4 minute rest.

I Re-loaded the cells and ran the light again.  At this point its clear the circuit is dropping both HI and MED output down to a lower mode, maybe a little brighter than LO.  At no point did the light output cut off completely.  I stopped testing here, bad/dangerous/explosive things can happen running Lithium cells  depleted this far.

BLF'er benkie and a couple others have been very vocal about the existence of fake Trustfire TRJ-12 and J18 lights... and from reading others comments and reports that appears to be a very likely scenario.  Personally I think it goes deeper than that... I think it has to do with the driver board supplier, and their ability (or lack thee-of) to manufacture the same DC-DC circuit form batch to batch.  I have always wondered why they take the extra time to scratch off the component ID and BIN numbers from the SMT components.  After reading threads like this HERE , I personally believe the driver board manufacturers are stuffing the circuit boards with whatever components they can get their hands on.  They may not always be 100% compatible or identically capable.  By the time you add together the cumulative sum of inter-mixed parts on each board, you end up with the variation we are seeing across the population.

Anyhow...  I think this particular J12 from the aliexpress $54 batch is a good one.  Just be careful with unprotected cells, and don't run them all the way down. Watch out for HOT cells, HI mode dimming down to MED, and a slight "flicker" between modes, these are all signs the cells are fully depleted.

My driver runs around 6 amps tops out at 7.5 amp then dims and the current drops right off, i think they or some are digitaly regulated at 7.5 amps max. I have brought this up in my calling all tr-j12 owners thread. I to dont belive all tr-j11,s are made equal.

kramer5150
kramer5150's picture
Offline
Last seen: 3 months 1 week ago
Joined: 05/19/2010 - 13:43
Posts: 2331
Location: Palo Alto CA

Shopbot wrote:

I actually have the one IO is currently selling (http://www.intl-outdoor.com/panasonic-ncr18650a-3100mah-protected-batteryone-p-333.html) and not the old batch (was it the grey version? I forgot) which I read people on here have issues and Hank offering them a discount on the newer version (which is the one I have).

So I guess my question is, at what voltage or current does the J12 decide to move from HI to MED/LO?

Again in case anyone missed it, the battery that the protection circuit activated, reads 3.05v (when warm) after I deactivated the protection with my hobby charger.

Mine appears to cut off HI at around 3V per cell, but as I suspect above theres a high likelihood not all J12s have identical DC-DC circuits.  Its almost impossible to measure though because with cells depleted this far down unloaded cell voltage is much greater than voltage under load, and the cell voltage will rebound within a minute or two.  Note also that my testing ONLY pertains to the TWO cell configuration.  I havent tested it with 3x cells.

33696933
33696933's picture
Offline
Last seen: 6 years 10 months ago
Joined: 02/19/2011 - 01:27
Posts: 431
Location: Newburgh, NY

I have checked current on both of my TR-J12 between driver and led. One has alot of  brass around the driver and the other has mostly plastic and smaller brass middle.

Using Sanyo 2600 fully charged and partially depleted gave similar results .

 

TR J12  BRASS 

3 CELL 1.42 HI , 0.88 MED 0.22 LOW

2 CELL 1.47 HI , .88 MED .20 LOW

TR J12  NYLON

3 CELL 1.41 HI , 0.86 MED , 0.21 LOW

2 CELL 1.45 HI , 0.85 MED , 0.19 LOW

 

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

Kramer, do you have a link to the Aliexpress retailer you purchased from? 

Richie

kramer5150
kramer5150's picture
Offline
Last seen: 3 months 1 week ago
Joined: 05/19/2010 - 13:43
Posts: 2331
Location: Palo Alto CA

Richie086 wrote:

Kramer, do you have a link to the Aliexpress retailer you purchased from? 

Sure...

Store No.903269
 
Heres the URL:

Electroman187
Offline
Last seen: 2 days 18 hours ago
Joined: 03/07/2011 - 18:47
Posts: 223
Location: New Hampshire

Couldn’t hold out any longer! My first multi-emitter light is now on the way. This really seems like a steal.

So the question that begs to be asked is: Why isn’t everyone getting in on this deal? Killer light and killer price from a good vendor.

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

Electroman187 wrote:
Couldn’t hold out any longer! My first multi-emitter light is now on the way. This really seems like a steal.

So the question that begs to be asked is: Why isn’t everyone getting in on this deal? Killer light and killer price from a good vendor.

Just tried to order one too, but in the cart it says the seller is sold out. So my search for a good multi-XML 2×26650 light continues.

J12

Richie

bose301s
bose301s's picture
Offline
Last seen: 5 months 2 weeks ago
Joined: 03/10/2012 - 18:40
Posts: 1224

Got it Thursday, very nice light. Bright as can be, throws about as far as my BC40 but at that lights up a MUCH LARGER hot spot, plus everything else in sight. Still kinda want to do the KD monster driver if I can get it programmed for a Turbo mode of like 3500 lumes, then a high that’s the same as the current high, med that’s the same and a low that’s the same since the High currently it can run at for a long time and the med and low modes are pretty well spaced, and the Turbo would only be usable for a little while. Overall, I quite like this light.

Electroman187
Offline
Last seen: 2 days 18 hours ago
Joined: 03/07/2011 - 18:47
Posts: 223
Location: New Hampshire
bose301s wrote:
Still kinda want to do the KD monster driver if I can get it programmed for a Turbo mode of like 3500 lumes, then a high that’s the same as the current high, med that’s the same and a low that’s the same since the High currently it can run at for a long time and the med and low modes are pretty well spaced, and the Turbo would only be usable for a little while.

That would be sick. Lead the way, oh pioneer, and I shall follow!

bose301s
bose301s's picture
Offline
Last seen: 5 months 2 weeks ago
Joined: 03/10/2012 - 18:40
Posts: 1224

Ok, so I posted a review of this store, if anyone else wants to chime in their experiences I am sure it would be helpful to others.

http://budgetlightforum.com/node/10816

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

Hi folks,

Just got my Trustfire TR-J12 from this same Aliexpress retailer. All arrived in perfect condition and very well boxed. Using my 2×26650 Trustfire 5000mAh’s charged to 4.19v, on HIGH mode I get 4.10a

Finally I have a good working 26650 light. Thanks for posting about this retailer, they are as professional as it gets and sell real Trustfire products.

Richie

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

Just took it outside and put it up against my DRY NW on Turbo and somehow my J12 beat it. I came inside and did a ceiling bounce test between both to see what the meter showed. The Dry read 630 lux and my new J12 read 805 lux under the exact same conditions. Perhaps the fact the Dry is NW tint and the J12 has a slightly cooler tint must be the reason for it being slightly brighter. Whatever the reason, I find it amazing the Dry got edged out.

Richie

attitude
attitude's picture
Offline
Last seen: 4 years 2 months ago
Joined: 05/24/2012 - 22:58
Posts: 420
Location: Adelaide, Australia

thanks richiee i ordered from ali express 1 of these as well.
Coupon code: 15noorder20120614 – coupon $5 for orders larger than $25 can be used on Aliexpress.com but only once per account.

30% off
45$ shipped they are normally 75-80$ each be quick guys sale end in like 9 days.

http://www.aliexpress.com/store/product/1PC-Trustfire-TR-J12-Flashlight-...CREE-XM-L-T6-LED/604837_548149376.html

ridicoulous deal for a nice torch!

weird i just get addicted to flashlight like in a blink of an eye.

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

attitude wrote:
thanks richiee i ordered from ali express 1 of these as well.
Coupon code: 15noorder20120614 – coupon $5 for orders larger than $25 can be used on Aliexpress.com but only once per account.

30% off
45$ shipped they are normally 75-80$ each be quick guys sale end in like 9 days.

http://www.aliexpress.com/store/product/1PC-Trustfire-TR-J12-Flashlight-...CREE-XM-L-T6-LED/604837_548149376.html

ridicoulous deal for a nice torch!

Holy cow, that is a smoking hot deal! Thanks for the link, I may have to go for a second one.

Richie

attitude
attitude's picture
Offline
Last seen: 4 years 2 months ago
Joined: 05/24/2012 - 22:58
Posts: 420
Location: Adelaide, Australia

Richie086 wrote:
attitude wrote:
thanks richiee i ordered from ali express 1 of these as well.
Coupon code: 15noorder20120614 – coupon $5 for orders larger than $25 can be used on Aliexpress.com but only once per account.

30% off
45$ shipped they are normally 75-80$ each be quick guys sale end in like 9 days.

http://www.aliexpress.com/store/product/1PC-Trustfire-TR-J12-Flashlight-...CREE-XM-L-T6-LED/604837_548149376.html

ridicoulous deal for a nice torch!

Holy cow, that is a smoking hot deal! Thanks for the link, I may have to go for a second one.

i see how my first one go then i might go back for seconds and thirds as gifts for family lol

weird i just get addicted to flashlight like in a blink of an eye.

kramer5150
kramer5150's picture
Offline
Last seen: 3 months 1 week ago
Joined: 05/19/2010 - 13:43
Posts: 2331
Location: Palo Alto CA

attitude wrote:
thanks richiee i ordered from ali express 1 of these as well.
Coupon code: 15noorder20120614 – coupon $5 for orders larger than $25 can be used on Aliexpress.com but only once per account.

30% off
45$ shipped they are normally 75-80$ each be quick guys sale end in like 9 days.

http://www.aliexpress.com/store/product/1PC-Trustfire-TR-J12-Flashlight-...CREE-XM-L-T6-LED/604837_548149376.html

ridicoulous deal for a nice torch!

Are you kidding me!!!
You’re stealing it at that price.

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

kramer5150 wrote:
attitude wrote:
thanks richiee i ordered from ali express 1 of these as well.
Coupon code: 15noorder20120614 – coupon $5 for orders larger than $25 can be used on Aliexpress.com but only once per account.

30% off
45$ shipped they are normally 75-80$ each be quick guys sale end in like 9 days.

http://www.aliexpress.com/store/product/1PC-Trustfire-TR-J12-Flashlight-...CREE-XM-L-T6-LED/604837_548149376.html

ridicoulous deal for a nice torch!

Are you kidding me!!!
You’re stealing it at that price.

Yep, I checked and the coupon code stills works.

Richie

Electroman187
Offline
Last seen: 2 days 18 hours ago
Joined: 03/07/2011 - 18:47
Posts: 223
Location: New Hampshire

I’ve been trying to figure why there isn’t more hysteria about this light at this price. Great light at a great price with a proven vendor. I guess people prefer the form factor of the King better…

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

After seeing the issue Kramer had with his tail-spring, I decided to modify mine before a problem came up with it. I noticed the switch was the same on my Skyray 856 except the 856 uses a stronger gold plated spring soldered to the switch rather than a thinner chrome plated version as on this J12. Since my 856 has a bad driver, I figured I’d just switch them out. Works great and I doubt this heavier duty spring will suffer from any heat issues.

Richie

RedForest UK
RedForest UK's picture
Offline
Last seen: 1 year 11 months ago
Joined: 06/06/2011 - 11:27
Posts: 1055

It’s down to $53.80 at DX now too.

kramer5150
kramer5150's picture
Offline
Last seen: 3 months 1 week ago
Joined: 05/19/2010 - 13:43
Posts: 2331
Location: Palo Alto CA
Electroman187 wrote:
I’ve been trying to figure why there isn’t more hysteria about this light at this price. Great light at a great price with a proven vendor. I guess people prefer the form factor of the King better…

I can think of 2 main reasons. Size factor first and foremost. Its just a pain to pack a 2-3, 26650 light, IMHO. I think the bigger difference though is how each design makes use of power. The J12 needs 3.6 – 7A from each of its cells in its smallest configuration. This IMHO pretty much rules out 18650 cells as a safe alternative. This is a very difficult load for even the best 18650 cells. Even 26650 cells, if continually deep cycled with this extreme of an application will start to feel the effects. Exactly how (and when) remains to be seen… increased internal resistance, diminished self discharge performance, decreased capacity????.

Because of its power extremes I don’t think the J12 is a light suited for a battery novice. I don’t think its the kind of light like a 4D maglite where you can just load it up and run it till’ it dims, at least not repeatedly without unfolding some element of risk. I for one also don’t think its a safe practice deep-discharging protected cells and tripping their circuits. So I think the J12 is the kind of light that requires some disciplined use… But thats just IMHO.

Richie086
Richie086's picture
Offline
Last seen: 19 min 26 sec ago
Joined: 01/06/2012 - 08:43
Posts: 1662
Location: Long Island, New York

Looks like the J12 has been reduced in price since I purchased mine from them for just over $53.00 recently. Now $50.39 delivered.

Trustfire J12 Flashlight

Richie

mvyrmnd
Offline
Last seen: 8 months 2 days ago
Joined: 01/31/2011 - 21:10
Posts: 17
Location: Victoria, Australia

I have one of these on order from the same supplier – so far 13 days and counting for delivery. The tracking number they supplied me does not work though…

beltal
Offline
Last seen: 9 years 2 months ago
Joined: 07/17/2012 - 22:18
Posts: 1

Richie086 wrote:
Looks like the J12 has been reduced in price since I purchased mine from them for just over $53.00 recently. Now $50.39 delivered.

Trustfire J12 Flashlight


You can buy it with Paypay from http://www.beltal.com/dhgexpress?uri=/store/product/1PC-Trustfire-TR-J12...CREE-XM-L-T6-LED/604837_548149376.html

Pages