Some notices to DQG Tiny 26650 V3.0 (post by designer and producer: GEORGE)

yes, you are right, tiny 18650 4 have no thermal path, due to my goal is steady run at high mode to instead of a Common AA light to reach more output and runtime. turbo mode is a berden for the drivers.
switch’s quality does not so good at tiny 18650 4 first, now, I have redesign the PCB using more good quality switch, it will not easyliy break off from PCB now.

tiny 26650 have solid thermal path, otherwise it cannot berden nearly 30W-40W power.

Thank you George! :slight_smile:

I liked the DQG III right out of the gate, the 7 emitter design really grabbed me and the raw machined look also. I HAD to have one!

Being a photographer, I was thinking the light would be floody and help me get close-up pictures. The beam profile from the 7 XP-G2’s was tighter than I expected, and I saw that the driver was boosting voltage for the 7 emitters in series which gave me an idea… a Cree COB! So I found the largest COB with matching voltage to the driver’s output and made a copper heat sink to fill the space in the head, discovered that I had an AR coated lens to use as a cover and dust seal and the result is an High CRI (93+ at 5000K) beauty that is really helpful to me during macro photography. :slight_smile: It’s pulling 20.1V at 0.99A in the highest level. The “mule” configuration allows for an artifact free flood of light that works beautifully from mere inches away or even as lighting for a portrait from several feet away. I’ve seen it outside illuminating a surprising area, from sheer brightness alone. Immediately a favorite and I use it regularly.

Thank you for making this possible. Very much appreciated!

Edit: Levels and numbers

Moon is 9 lumens at 0.007 emitter amperage, 15.03V at the emitter, 0.02 tail amperage
Low is 231 lumens at 0.094 emitter amperage, 16.68V at the emitter, 0.46 tail amperage
High is 690 lumens at 0.297 emitter amperage, 17.84V at the emitter, 1.52 tail amperage
Turbo is 2004 lumens at 0.99 emitter amperage, 20.41V at the emitter, 6.50 tail amperage

This is on an Efest 3500mAh 26650.

its not so easy to use google image and any other google service, I try many times to share, seems the network not work normal. its hard to got good link from China to outside. :frowning:
can you help me put the image on if I send you email?
RGBW, very interesting, it light in turn or same time?

WOW, so nice job, I am not familar with COB, according to the picture, this COB is 6 time 6 series, the drivers does can work! congraduation!

PM sent.

Colours can do in turn and mixing special modes like candle light. TTerev3 made these drivers. All info here - Introducing the MELD-X RGBW(uv) flashlight driver!

The picture belonging in OP

thank you very much, dear friend.

Hello George, congratulations to this great design. My respect for building each light by yourself - I did this with my electronic products back in the eighties, and I know how much work this is.
I guess I received one of the first lights in germany. I don’t think the head of this light was glued, I could open it as easy as opening the tailcap. When ordering the light I planned to modify it, but it came out not as easy as expected due to the LEDs in serial. I’m still thinking of stacking the sense resistors - do you think this is possible? And if I burn the driver - will a replacement driver be available?

Hi George,

nice to see you here. I like your tiny lights very much, although there is still some room for improvements.

The 26650 III is nearly perfect for me, but I wish it has the UI and the same steps in output like the 18650 IV. btw…

Hello George, is are “brass beauties” also designed by you?

Hi, Mike. thanks for your inform, can you remember if there have any glue sign at the crew of the battery tube? I just remember I does do this process of gluing after Chinese market, they are first run. maybe the glue is so little or I forget glue by radom.
about modify, what do you want to do? if you want to reach more output, stacking resistors on the turbo mode resistors (biggest resistors on the board), but as I said, if you lucky got good performance of driver or LEDs. be carefully doing this, there have replacement driver backup now.

Hi, about UI, you mean same UI compare to 18650 IV? this does a question, at begining of design, I does decide using 18650 same UI, but after discuss with a flashlight fan, he told me for 26650, most using area is outdoor and only most fraquency use middle and high mode, seems 3 click for high mode is not so humanity for fraquency application. I agree with he.
so, I decided to make a change of UI.

Hi, sorry, these brass beauties is not my design. but there will be brass made tail click AA series flashlight come out this year. :slight_smile: the housing is producing now.

It’s good to see you communicate with us, George. :+1:

Hi George! Thanks for posting and for providing your lights. They are unique and though smaller lights continue to develop, yours have lead the way. I like that you think out of the box, for example: no one would have thought that the tiny3 would be wired in series. I think it was a great choice and must have been more work for you as there are less examples of this high of boost driver in the flashlight community. Anyway, I hope you have a business plan moving forward and will continue on by growing your one man business? :slight_smile:

HI George,

I was very interested in your 8650 Tiny 4 but pull back because of the switch issue. Now that you said it’s fixed, I’m ready to get one. Can I know from which online resellers do they stock this new improved version? Thanks in advance.

nice to see you.

yes, 3th have 7 led in series, the drive voltage will be around 21V, nearly reach SELV (24V) resist for luminaire appliance.

I have no business idea and plan, just doing as “let a thing slide”, in chinese: shun qi zi ran. :slight_smile:

You can find at banggood, gearbest etc, I think they are zero stock sale mode, so, you can get light with new switch.

George, thank you for your excellent work!

Are you able to make your design available to BLF members as a host only?