Lumintop GT micro

My windyfire and purple efest unprotecteds will not work. But my Vapcells do work.

Are your WindyFires button top or flat top?

Got it open. Took some poking but the glue seal broke fairly easy. Messed up the LED+ wire so need to replace it.

It's a 2 board design with the FET and 7135 on the lower/contact board. Parts are only on one side of each board.

Can't see much here but that's the 7135 to the right on the lower board. Had some trouble getting it out til I figured it was 2 boards and had to come straight out, more or less, and not tilted.

The good thing is the MCU is on top, easy to reprogram.

The MCPCB is about 14.15 mm in diameter. Looks painted white, possibly over red, and appears to have a gold plating on the bottom. A white paste was used under the MCPCB - nice amount.

The driver is a FET+1 driver.
Here are some more pictures of it, so you don’t need to risk destroying yours:

Open in new tab to see it better…

The MCU really is there for easy access. Glad you noticed it.

Yep, Schoki did a good job with the driver. I also like that he put the MCU on top for easy flashing.

Ahh, mysteries solved I guess. Can't magnify those. R3 and R5 are for the FET? What value resistor for the switch LED? I see it's on the backside there - nice!

I think the wires are 22 AWG but not sure - would you guys know? Yea, I gotta replace the LED+ there but the driver itself is undamaged. The pill threads are little marked up but still work fine, and scratches should not show. I ended up using that heavy needle to poke thru the wire holes to knock out the driver.

Question, I ordered mine on March 1st and received email from Neal when I emailed him that it was shipped on the 17 yet when I check the tracking, it still says label not yet created. Should I email Neal?

I would email Neal on that...

So, I re-assembled the light, reflowed a black flat on the stock MCPCB. Didn't check amps but with fumbling around with getting it centered, I was able to hit 112 kcd measured at 5 meters. It still has a black spot in the middle at closer than 4 feet from the wall, but looks pretty good outdoors. I'm using a decent performing Imren 700 BT cell. It gets pretty hot quick so the amps are probably up there. It's got a fairly large corona, but this is the first black flat (or white flat) mod I've done.

I used kapton tape around the LED (no centering piece), and believe it or not, silicone wire inside around the base, and between the glass and reflector to center it and get more downward pressure.

112kCd is a sweet number ! Mine does 105, but at only 3,2A…
I ordered some Enercig 14500 on nkon.eu, they should be able to sustain 4 or 5 amperes, throw might be interesting then !
Could you check the current drain on yours ?

Can't yet measure amps, this evening. I'd suspect mine is more like 4-5 amps based on how fast it warms up. Measuring at 5 meters is tricky though, should be easier at 10+ meters.

Some more pics:

All cleaned up, glue removed, red wire replaced::

FET lurking under the MCU:

black flat mounted. You see what I mean by the paint? Tried scraping it off at the top shown below but couldn't expose any color/coating underneath:

The centering piece is too small of an opening to fit this LED, so:

See the red wire? It helped in centering and focusing, still not perfect:

Great pictures Tom E, thanks for posting!! :+1:

I don’t see a black spot, but I do see a yellow tint in the center of the beam. Not obnoxious or anything, but just there.
I’m running an Efest purple button top. 650 mah, 6+ amp continuous draw.
I really like this light. It feels a little weird in my hand at first, since I’m used to my Lumintop Tool AA 2.0 and my Sofirn C01s, but it works just fine. I ordered the holster with it, and am looking forward to wearing it on my belt for EDC for a while.
It’s getting dark out now, so heading outside to do side by sides with my GT Mini and the Lumintop Tool AA 2.0.
PS: I got mine a couple of days ago. It seemed to get hung up in LA for several days but it’s here so I’m happy.

Windy fires are buttontop and efest are flat. I tried the windyfires again and in fact they do work. I dunno why it didn’t work the first time. I’m pretty sure I had the tail cap fully tightened. Maybe the body wasn’t.
The windy fires have an extra 100 Lumens on start up vs the Vapcell. But I still prefer the Vapcell because of the 1000 mah.

Ok… thanks for the info. :+1:
I gotta get me a couple of those Vapcell 1000 mAh… that extra capacity sounds good. And just loosing 100 lumens is not to bad given the extra capacity.

Has anyone tried an xhp50 3v in the micro yet?

I love this light, perfect for EDC on the belt.

Doesn’t make sense… You would have to find a 14500 that is able to deliver more than 8A to justify the XHP50 over the SST40

But then again, the 3V 50.2 can deliver far more lumens than the SST-40, soooooo, a top 14500 pushing a 3V 50.2 should give an interesting boost over the use of an SST-40, AND a sliced and diced 50.2 would be even more interesting! :wink:

Nothing back from Neal. I have chased him twice. I guess its Paypal dispute time.

I just noticed Vapcell released a 14500 650mah 7A button top battery 7A CDR, 13A max discharge current. Seems to be the best high drain 14500 available on the market. I previously bought their 14500 1000mah batteries, which is the best high capacity 14500 on the market, and I tested them to be legit specs.

Has anyone done any measurements with this battery on their GT Micro or with a similar high drain battery? I’m wondering if the new Vapcell will be able to manage 4.5A in this light. Thinking of buying one to put a White Flat in there.

My Vapcell 14500 looks identical to the high discharge Enercig.

They look identical. Apart from wrapping.

https://www.ebay.co.uk/itm/Genuine-14500-Efest-650mAh-9-75A-Flat-Top-High-Drain-3-7v-IMR-Battery-UK-Sells/362479294600?ssPageName=STRK%3AMEBIDX%3AIT&var=631645186279&_trksid=p2057872.m2749.l2649

https://www.ebay.co.uk/itm/Enercig-Tensai-TN14500HP-650mAh-3-6V-3-7V-Pluspol-flach-Li-Ionen-Akku-/222101924741