Haikelite HK04 groupbuy is ALIVE

Tom_E · 2020-06-30T13:55:39.000Z

Here it is, measurements below:

Dims (mm) HK04 SP33

Length 139.1 128.0

Tube width 45.9 44.9

Head Diam 56.1 49.1

The HK04 was a struggle to get out the switch, scratched the light shown above. Plan was to sand out the scratch by making the flat surface bare - might come out look'n good that way, not sure. The HK04 sure is a better look'n light with the SS bezel and style. Extra size is a + thermally, - for carry.

Not sure if this link will work to my photo album on the HK04: https://app.photobucket.com/u/TomE2012/a/420c14e6-a1fb-47dd-b4b0-9e1a68955961

PhotoBucket had a recent upgrade and totally screwed up my pics - counts are wrong, pics dropped, pics duped, etc... I restored the HK04 album but uploading is very, very slow.

M4D_M4X · 2020-06-30T19:33:11.000Z

:beer:

Nicolicous · 2020-07-02T00:57:00.000Z

Hey Tom

would you know if the MCPCB on SP36 same as HK04?

Tom_E · 2020-07-02T03:08:50.000Z

You mean in size? Definitely not the same design, not sure off hand bout size.

Nicolicous · 2020-07-02T03:17:14.000Z

yeah size.

i suspect they dont match but asking to be sure as i dont have sp36

icpart · 2020-07-02T04:52:40.000Z

Thanks TOM E for great post
I just ordered SP36 host and MCPCB and driver. When they received I can measure diameter of it.

d_t_a · 2020-08-09T03:41:49.000Z

Ilmatic:

Anyone have any beamshots of the XHP50.2? Little to no reviews of this light online

1) Haikelite HK04 (4x XHP50.2 6500k) beamshot

(distance from flashlight to opposite building ~ 150 meters / 400 feet)

2) comparing beamshot of Sofirn SP36 (4x XP-L2) [left] vs Haikelite HK04 (4x XHP50.2) [right]

(side comment: SP36 and HK04 are actually quite similar in body design, although HK04 has a slightly bulkier head portion)

3) Astrolux EC03 (3x XHP50.2 6500k) [left] vs Haikelite HK04 (4x XHP50.2 6500k) [right]

4) Haikelite HK04 (4x XHP50.2 6500k) vs Emisar D18 (18x SST20 "custom mixed-tint" version)

M4D_M4X · 2020-08-09T14:02:19.000Z

:beer:

Ovaclock · 2020-08-24T03:19:02.000Z

Thanks! Got mine in July. Absolutely love it and the fast ramping.

Tom_E · 2020-09-24T01:58:44.000Z

My HK04 is getting Anduril2! Hoping to get it back up and running soon.

Ovaclock · 2020-09-24T04:42:41.000Z

Wonder if I can flash my HK04

Chicknburger · 2021-01-10T01:42:54.000Z

i hope this will get 5000k xp50

i got one in 6500k its awesome but the tint… not my favorite.

WallKiller · 2021-05-27T18:38:01.000Z

Have you got hex files to hk04???

Alexius · 2021-08-08T10:12:09.000Z

(sorry, this is an auto-translation)

HaikeLite HK04
Product weight: 370 g.
Size: 14.00 x 5.60 x 5.60 cm / 5.51 x 2.2 x 2.2 inches
Emitter CREE XHP50.2, Flux: 15000LM, Range 750m
Emitter Luminus-sst40, Flux: 9000LM, Range 850m
Emitter CREE XP-LH, Flux: 5000LM, Range 950m

There is very little information on this flashlight, I did not find a detailed review with an examination of the operating modes and operating time.
Interested in the CREE XHP50.2 model.
Tell me what is the maximum operating mode of the flashlight in which it will not turn off from overheating and how long this mode lasts.
As far as I understand, the flashlight is similar to Sofirn Q8 Pro (4x18650) only on three batteries.
You can ask to compare HaikeLite HK04 CREE XHP50.2 and Sofirn Q8 Pro XHP50.2
How are things going with the heatsink, is there stabilization, in what parameters is HK04 (weight 370 g + 3x18650) better than Q8 Pro (400 g + 4x18650).
Is there a noticeable difference between (6500K) and (5000K).
Should you buy the HaikeLite HK04 CREE XHP50.2 or is it better to buy the Sofirn Q8 Pro (the cost is almost the same).

Tom_E · 2021-08-08T14:25:14.000Z

Little late, but link to my current shared Anduril 2 .HEX file for the HK04, with notes changes, manual, source code in a .RAR file:

google drive share Anduril2 HK04

Alexius:

You can ask to compare HaikeLite HK04 CREE XHP50.2 and Sofirn Q8 Pro XHP50.2 How are things going with the heatsink, is there stabilization, in what parameters is HK04 (weight 370 g + 3x18650) better than Q8 Pro (400 g + 4x18650). Is there a noticeable difference between (6500K) and (5000K). Should you buy the HaikeLite HK04 CREE XHP50.2 or is it better to buy the Sofirn Q8 Pro (the cost is almost the same).

Both are good quality lights, depends on individual choice. Any light of this size with 4 XHP50.2 3v's will be hot in seconds, not minutes. On turbo, expect a quick drop from temp regulation - it's too much power. Maybe if the light was 4-5 times bigger with tons of surface area to assist cooling, maybe then it would last a couple minutes. Obviously the solution is to run it at a lower setting, then it can run a while and both lights do a good job of regulating from Anduril or Anduril 2.

5000K is not available, hasn't been for a long time now, 1 year or more, so nothing to compare.

d_t_a · 2021-08-09T04:07:51.000Z

Alexius:

(sorry, this is an auto-translation)

HaikeLite HK04
Product weight: 370 g.
Size: 14.00 x 5.60 x 5.60 cm / 5.51 x 2.2 x 2.2 inches
Emitter CREE XHP50.2, Flux: 15000LM, Range 750m
Emitter Luminus-sst40, Flux: 9000LM, Range 850m
Emitter CREE XP-LH, Flux: 5000LM, Range 950m

There is very little information on this flashlight, I did not find a detailed review with an examination of the operating modes and operating time.
Interested in the CREE XHP50.2 model.
Tell me what is the maximum operating mode of the flashlight in which it will not turn off from overheating and how long this mode lasts.
As far as I understand, the flashlight is similar to Sofirn Q8 Pro (4x18650) only on three batteries.
You can ask to compare HaikeLite HK04 CREE XHP50.2 and Sofirn Q8 Pro XHP50.2
How are things going with the heatsink, is there stabilization, in what parameters is HK04 (weight 370 g + 3x18650) better than Q8 Pro (400 g + 4x18650).
Is there a noticeable difference between (6500K) and (5000K).
Should you buy the HaikeLite HK04 CREE XHP50.2 or is it better to buy the Sofirn Q8 Pro (the cost is almost the same).

I have tested both the HK04 (4x XHP50.2) and the Sofirn Q8 Pro (4x XHP50.2)

I use high-drain batteries to test (for the Q8 Pro, I did not use the Sofirn 3000mAh 18650 batteries which are not as powerful as higher-drain type 18650 batteries).

The Sofirn Q8 Pro is brighter compared to the HK04.
(I don’t have a light integration device for measuring lumens but just doing the same ceiling bounce and taking a lux reading, my Q8 Pro register 1400+ lux on Turbo mode (at turn On) whereas the HK04 gets only around 1100 lux (at turn On)

Thus the Q8 Pro is brighter in actual than the HK04 — I think the main reason is having 3 batteries just cannot power 4x XHP50.2 to the max levels, compared to having 4 batteries.

Haikelite HK04 (4x XHP50.2) beamshot

Sofirn Q8 Pro (4x XHP50.2) beamshot

~
At closer distance, it’s a bit difficult to compare brightness since both are very bright (the Q8 Pro having a bit wider area of light)
Haikelite HK04 XHP50.2 (left side) vs Sofirn Q8 Pro (right side)

torchfanatic · 2021-08-09T07:32:35.000Z

Thanks DTA for the useful info and your response to me on YouTube about the 4x18a sbt90 compared with the l21b

Alexius · 2021-08-10T10:53:19.000Z

d_t_a:

The Sofirn Q8 Pro is brighter compared to the HK04.

Thank you for your reply.

Can you comment on why manufacturers indicate different brightness (in lumens) for these lights, although both lights have exactly the same LEDs.
HaikeLite HK04 4хCREE XHP50.2, 15000 lm
Sofirn Q8 Pro 4хCREE XHP50.2, 11000 lm
Is this marketing (i.e. cheating)?
After all, it should be the other way around, 4 batteries must have the ability to give more energy than 3 batteries, and only due to this, identical diodes should have more brightness.

Tom_E · 2021-08-10T12:40:33.000Z

It's true having 4 cells vs. 3 is an advantage for the Q8 Pro and should result in higher output with all other things the same, but the 15000 lumens rating is not so out of the question. I did several measurements on mine and the best #'s I got on fully charged VTC5D's were:

16422 at start, 13600 at 30 secs (my calibration based on high end manufacturer ratings)

or

14635 at start, 12120 at 30 secs (mauuka calibrated)

The VTC5D and Samsung 25S are the best performing 18650 cells available, at least with capacity from 2500 mAh and above.

So I'll give them credit for being in the ballpark for the HK04, but yes, slightly over rated.

I don't have a Q8 Pro to test and compare with, but I can tell you the HK04 has some advantages in that they are using quality springs, better than the Q8's (if the Q8 Pro is the same as standard Q8's), and the driver is more advanced with dual FET's that in theory should help for the 4 high powered LED's:

It's all a matter of the tradeoff's of a more compact (thinner) design vs. 1 more cell.

The 1400 lux vs. 1100 lux may depend on the cells -- d_t_a did not mention exactly what cells were used. Still, I'm a little surprised the difference is that large, if what is being measured is a true reflection of lumens.

Alexius · 2021-08-10T15:22:54.000Z

Tom E:

It’s all a matter of the tradeoff’s of a more compact (thinner) design vs. 1 more cell.

Thank you for your help.
Indeed, the problem of choosing is between the compactness of the HK04 and the power of the Q8Pro.
I am going to solve this problem by comparing the main operating mode in which there is no shutdown (thermal cutoff).
But I can’t find operating modes (mode, lumens and runtime) for these lights anywhere.
If anyone knows in what mode the lights work (the number of lumens / operating time) without switching off by temperature, please let me know.