KD (kaidomain): Deals and new products thread

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TheOnlyDocc
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Any news on the switch (http://www.kaidomain.com/p/S024079.DIY-LED-Flashlight-Reverse-Clicky-Switch-12mm-x-12mm-for-LED-Flashlight-Black-button-5-pcs)?

New WildTrail (former LuckySun) D80v2 Sale has Started http://budgetlightforum.com/node/66255

BanL
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TheOnlyDocc wrote:
Any news on the switch (http://www.kaidomain.com/p/S024079.DIY-LED-Flashlight-Reverse-Clicky-Switch-12mm-x-12mm-for-LED-Flashlight-Black-button-5-pcs)?

Hi

Yes.

Thank you

Ban

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doubleone44
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Found this today:
http://www.kaidomain.com/p/S026594.Cree-XM-L2-Warm-White-3000K-LED-Emitter-with-KDLIGHT-5050-16-16mm-x-1_5mm-DTP-Copper-MCPCB
3000K, 92CRI on an XM-L2? Sign me up!

dekozn
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yep, was already mentioned here. I ordered two. Gonna put one in my skilhunt and they other I don’t know yet.

Idiot proofing something only creates improved idiots.

-X3-
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I put 3 in my Olight SRmini, they make a warm cosy tint for ambient lighting !

"-X3-, is there any place in your house without a flashlight ?" 

My Flashlight public album (mods, emitter swaps, eye candy)

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MILSPEC
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@BanL
I apologize if this has been been raised before (couldn’t find anything after going through a few pages):
Would Kaidomain potentially be able to source or manufacture quad DTP copper MCPCBs /w optics? With or without emitters on them? Either 20mm in diameter or maybe larger?

Thanks!

BanL
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MILSPEC wrote:
@BanL
I apologize if this has been been raised before (couldn’t find anything after going through a few pages):
Would Kaidomain potentially be able to source or manufacture quad DTP copper MCPCBs /w optics? With or without emitters on them? Either 20mm in diameter or maybe larger?

Thanks!

Hi MILSPEC

Thank you for your advice.

We don’t get any product that uses the quad DTP copper MCPCB.

I will try to see.

Thank you

Ban

kaidomain.com KD - LED Flashlights, DIY Parts and Accessories

Inquiry for KD, please feel free to contact me.

Barkuti
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Some sort of chinese manufacturer produces these: 20x Copper Star Heatsink Base Plate PCB Board 20mm For Cree XPE XPG XTE XPL LED @ led-world2007

Yes, they're DTP boards, also known as thermoelectric separated / thermoelectric separation boards.

Related:

Hope this is of help; 20 boards at a time doesn't sounds very seductive to me. 

 

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Lexel
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is it possible to get some of those 2 LEDs

XHP50.2 K2-1D
http://www.cutter.com.au/proddetail.php?prod=cut3284

XHP35 HI E4-3C
https://www.cutter.com.au/proddetail.php?prod=cut3023

MascaratumB
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I don’t know if I should be posting this here, but it has to do with KD products.
Does anyone know if the following drivers work with 14500 Li-Ion batteries?

1 – http://kaidomain.com/p/S025419.CF-FX-2AA-16mm-0_9V-3V-3-Mode-Boost-Drive...

2 – http://kaidomain.com/p/S025059.CF-17mm-0_9V-3_3V-4-Groups-2-to-5-Mode-Bo...

Yes, I know that it doesn’t say in the instructions, but sometimes experience tells us different things from the manuals!
Btw, if anyone knows a driver with L-H-M modes, no memory, to use with 1 AA / 14500 please let me know. So far, to fit both and having those modes, I’ve just seen this one https://tinyurl.com/y97egrk2 .

Also, can anyone tell me if this driver has memory?
http://kaidomain.com/p/S025744.Pion-17mm-2_8V-4_5V-8-x-AMC7135-5-Groups-...

Thanks! I’d appreciate your help on this! Thumbs Up

dekozn
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check member wwefans, I believe he sells AA/14500 drivers L/M/H no memory no blinkies. It’s the driver used in the reylight pineapple

Idiot proofing something only creates improved idiots.

Jensen567
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This driver will work for your voltage range, but it is L-H-Strobe. I have ordered one of the CF-17mm drivers recently, so I can let you know if 14500 works when it arrives.

http://www.kaidomain.com/p/S024883.17mm-0_9V-3_6V-3-Mode-Boost-Driver-Ci...

Not sure where you could purchase one but the driver out of a Lumintop Prince Mini sounds like exactly what you are looking for.

MascaratumB
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@ dekozn
Thanks for the tip! I sent PM to WWEFANS asking about the driver, if has them and if I can buy one from him! Thanks for the information!!

@ Jensen567
Hum, I really wanted a (ML-)L-M-H driver, if possible without stobre. I’ve seen the one you linked, but it doesn’t fit my needs!
When you receive the CF-17 driver, please let me know if it works with the 14500! Just don’t damage it trying the battery!
Both Reylight and that Lumintop are what I want, concering the mode specs, but I would like to mod a light instead of buying another one. One must see what is affordable in the moment… Cash
I’ll wait for the answer of WWEFANS and also your feedback, please!

Thanks in advance! Thumbs Up

MascaratumB
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Jensen567 wrote:
This driver will work for your voltage range, but it is L-H-Strobe. I have ordered one of the CF-17mm drivers recently, so I can let you know if 14500 works when it arrives.

http://www.kaidomain.com/p/S024883.17mm-0_9V-3_6V-3-Mode-Boost-Driver-Ci...

Not sure where you could purchase one but the driver out of a Lumintop Prince Mini sounds like exactly what you are looking for.

I received today an answer from KD store in AliExpress (I asked about the drivers above mentioned as well).
The “CF 17mm 0.9V – 3.3V 4 Groups 2 to 5-Mode” *doesn’t work *with 14500 battery!
Probably the one you linked works with it, but I won’t try it for now!
I asked WWEFANS some drivers and we’re in contact!
Thanks for your answers Thumbs Up

Barkuti
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Sent BanL the following question via PM five days ago. I believe it's worth sharing:

Barkuti via private message to BanL wrote:
Hi BanL.

I'm looking to replace a damaged switch in an UltraFire SK98. Looks like this:

 

 

My measurements of it are: 13.5 × 11.6 × 9.5mm, if I am to include the slightly protruding by the sides lamina leads I'd say it is 14 × 11.6 × 9.5mm.

Closest thing I've found in your site is this: http://www.kaidomain.com/p/S024454.DIY-LED-Flashlight-Reverse-Clicky-Switch-14mm-x-9_5mm-for-LED-Flashlight-5-pcs(link is external)

Of course, the leads are slightly different but that's something I can fix.

There's this one too: http://www.kaidomain.com/p/S024498.DIY-LED-Flashlight-Reverse-Clicky-Switch-14_8mm-x-9_6mm-for-LED-Flashlight-5-pcs(link is external)

Which one do you think fits better? 

Thanks.

 

Regards,

Salvador 

Three days later…

BanL via private message to Barkuti wrote:
Hi Salvador

OKay.

Let me try to see any SK98 replacement switch and reply to you on Monday.

If not, i will try to see any switch is fit.

Thank you

Ban

I believe the yellow top switch is adequate, it's no problem for me to solder it a copper sheet lead elongation.

If anyone is willing to contribute some additional worthwhile information, you're welcome.

 

Deleting a just published post causes the forum thread answer notification to fail. Thus, if you need to change your just published post, edit it. Thanks.

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BanL
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Barkuti wrote:

Sent BanL the following question via PM five days ago. I believe it’s worth sharing:


Barkuti via private message to BanL wrote:
Hi BanL.

I’m looking to replace a damaged switch in an UltraFire SK98. Looks like this:


 



 


My measurements of it are: 13.5 × 11.6 × 9.5mm, if I am to include the slightly protruding by the sides lamina leads I’d say it is 14 × 11.6 × 9.5mm.


Closest thing I’ve found in your site is this: http://www.kaidomain.com/p/S024454.DIY-LED-Flashlight-Reverse-Clicky-Switch-14mm-x-9_5mm-for-LED-Flashlight-5-pcs(link is external)


Of course, the leads are slightly different but that’s something I can fix.


There’s this one too: http://www.kaidomain.com/p/S024498.DIY-LED-Flashlight-Reverse-Clicky-Switch-14_8mm-x-9_6mm-for-LED-Flashlight-5-pcs(link is external)


Which one do you think fits better? 


Thanks.


 


Regards,


Salvador 


Three days later…


BanL via private message to Barkuti wrote:
Hi Salvador

OKay.


Let me try to see any SK98 replacement switch and reply to you on Monday.


If not, i will try to see any switch is fit.


Thank you


Ban


I believe the yellow top switch is adequate, it’s no problem for me to solder it a copper sheet lead elongation.


If anyone is willing to contribute some additional worthwhile information, you’re welcome.


 


Sorry for replying you late.

There is too many different SK98s in the market.

And the above two flashlight switches does not fit for the SK98 flashlight.

Thank you

Ban

kaidomain.com KD - LED Flashlights, DIY Parts and Accessories

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delete
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my c8.2 xhp50.2 led 2die has dead

!!

zeremefico
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Modded or stock?

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delete
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zeremefico wrote:
Modded or stock?

stock.
I’ve just been using it for a few 10 or 15 minutes.
EasyB
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delete wrote:
my c8.2 xhp50.2 led 2die has dead

!!

I’ve seen several reports of this happening. Most of them have been using a FET driver so high current, but well below the max current that djozz tested. I wonder if the attachment of these flip-chip dies to the underlying substrate is not robust and can be disrupted by shock or thermal cycling.

giorgoskok
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I have a C8.2 here that i’m reviewing , it still runs great after 5 full runs on max setting (5* 45 mins) , without a fan etc .

khas
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delete wrote:
my c8.2 xhp50.2 led 2die has dead

!!

I had the same thing happen to one of my XHP50.2, but I also have two still working fine : one in a Thorfire C8s with a H1-A driver and a Jaxman M2 with a LD-3 driver driven @ 6A.

JIGHEADWORM
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giorgoskok wrote:
I have a C8.2 here that i’m reviewing , it still runs great after 5 full runs on max setting (5* 45 mins) , without a fan etc .

Been looking at this light thinking about getting one.Would appreciate your opinion on it.
BanL
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delete wrote:
zeremefico wrote:
Modded or stock?
stock. I’ve just been using it for a few 10 or 15 minutes.

Hi delete

Please let me know more about the flashlight problem.

All the flashlights before we shipped out has been done a full battery testing.

I would like to see what is the matter and see how to improve it.

Thank you

Ban

kaidomain.com KD - LED Flashlights, DIY Parts and Accessories

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EasyB
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Ollie wrote:
giorgoskok, The fan would only work if the heat is getting to the outside surface of the light. I’m not being a wise guy. I just tried an experiment. Now, these lights aren’t driven very hard. However, I got to wondering if I could improve heat transfer. First up was putting a small amount of computer cpu “grease” on the threads, letting some slop over onto the ledge that the lip of the pill screws down against. Then I put the reflector into the head, to see how much space there was. Quite a bit, as it turns out. So I put three of those gray putty-looking heat transfer blobs on the inside if the head, put the reflector in, and screwed the bezel down tight. And we have a winner! After reassembly, I was comparing the beam pattern of an XM-L C8 to the C8.2. What I noticed was that the C8.2 was getting warm faster than before. I don’t have the means to measure how much warmer, but it does happen quicker. This makes sense if you think about it. I asked Texas_Ace a question some time ago about heat. He said that 70% of the heat transfer was from LED to MCPCB and then to the body of the light. That means that the other 30% is going out the front. Shine the light on your hand, and you can feel it. To get there, the light has to hit the reflector, and in a C8, the reflector is aluminum. If we can transfer that heat from the reflector to the head of the light, this would be beneficial. Otherwise except for a couple of places, the reflector is just sitting in a good insulator, air. I would hope that someone with a IR gun would quantify this. The effect may even be minimal, but it’s easy and cheap to do. I’d like to do this with the 70.2/Mag build, if I ever get to it. I suspect the benefit might be less, in that format. Ollie
Roughly 30% of the input power leaves as light, but this doesn’t mean the reflector is heated significantly. The reflector might absorb 10% of the light, so all together maybe 3% of the power is heating the reflector.
giorgoskok
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The pill has a very good fit , i don’t think this is the problem…

bibihang
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BanL wrote:
All the flashlights before we shipped out has been done a full battery testing.

Seriously? For every flashlight before shipping it out you need to run it on high mode for about 40 mins?
BanL
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bibihang wrote:
BanL wrote:
All the flashlights before we shipped out has been done a full battery testing.
Seriously? For every flashlight before shipping it out you need to run it on high mode for about 40 mins?

Hi

Yes, for the KDLITKER flashlight, it will turn on the Hi-mode and run for at least 30 mins until the low voltage warning appear (Light is flashing).

Thank you

Ban

kaidomain.com KD - LED Flashlights, DIY Parts and Accessories

Inquiry for KD, please feel free to contact me.

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pilotdog68 wrote:
I’d buy from KD way more if their search function worked correctly. Maybe this thread will help.

It’s awful. You have to enter text the exact way it appears in the product title in order to get anything to show up.

https://virisenox.wordpress.com/

More active on Reddit: /u/Virisenox_


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BanL
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Virisenox_ wrote:
pilotdog68 wrote:
I’d buy from KD way more if their search function worked correctly. Maybe this thread will help.

It’s awful. You have to enter text the exact way it appears in the product title in order to get anything to show up.

Thank for your advice.

We will keep improving on our system.

If you get any error or not functioning well, please let me know.

Thank you

Ban

kaidomain.com KD - LED Flashlights, DIY Parts and Accessories

Inquiry for KD, please feel free to contact me.

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