Same experience here, I tested several different flat-tops. Some work, some may not.
The GT Micro uses a nipple on the positive side, so some flat-tops that are just “slightly raised” will make contact. But some really flat flat-top 14500’s may not make contact, using a small button magnet will workaround this issue.
Been trying to contact Lumintop for an RMA on this light so I can send it to them to get it replaced or repaired. No response from them at all. I bought this light on Amazon through Sino Trading Co, LTD. Had a bad switch right out of the gate. Inconsistent, sometimes requiring multiple clicks to turn off. Sometimes reverts to low beam all by itself. I was pretty bummed about it cause I loved the light but the switch had me pulling my hair out. Contacted Sino about it and at first they tried to downplay anything was wrong and then told me I had to pay to ship it back to China and then only IF they received it, I would get a refund. Was nervous about shipping it back to China and paying more money so didn’t do it. Figured I would try to deal straight with Lumintop but so far my complaints are falling on deaf ears. Does Lumintop even give a shit or do I just chalk this off to a bad day?
All my orders from China since January are still pending to being shipped, when usually it takes days, that being from BG, AE, AMZ, etc.. So, I'd say, just bad timing..
I missed the bus at 26 so I just purchased it at 42 and change on Amazon, ouch! The good news is it will be here in two days. The bad news is my wife is going to kill me in my sleep when she wakes for also purchasing the FW1A Pro and the FT03 this week. Better sleep in the spare room with the door locked tonight.
Still having problems with the button. It will always turn on but is really inconsistent with getting it to turn off. Been trying to get a hold of Lumintop for almost two months to get it fixed but they are not being cooperative. Their service regarding warranty work is just terrible. They might as well not even have a warranty cause it’s a joke. At least for me it has been.
So getting this finally when Aliexpress sale starts and just wondering what batteries to get. I already got 2x KeepPower 840 mAh button tops, but maybe getting two more. Are these good enough for this? I been using them in my Fenix LD12 for that 320 lumens mode.
I been kinda between two choices for new batteries: Shockli 1000 mAh that are cheap +3.2 €/pcs or Vapcell H10’s which seems kinda superior in every way if you can get those somewhere? Not sure about price of those.
KP 840's are pretty low power, pretty dated. They are the old SANYO 840's, been around since 2012 or even further back maybe? If the KP's are protected, even worse - the old PC was much more inefficient than the better ones available now. The 1000 mAh unprotected is probably the best all around, available under various labels.
I've used the SANYO's a lot way back, 5+ years. I even have the KP protected versions as well - definite high resistance comparatively.
I use efest purple 14500 cells in my Micro, and they work just fine. I don’t use it often enough to have a good feel for run times, but I have a total of four cells, and a Nitecore D2 sitting right next to the cells, so I don’t worry about it.
—
You don't really need a parachute to skydive. But you DO need one if you want to skydive twice!
At first I thought it to be a limited-application light, but damn, I’m carrying it in my pantaloons even just going out in the backyard. E03 for close-in viewing, ‘micro for owl-spotting. And nowhere near the bulk of a C8/P30/‘mini/etc.
Does anyone know of any sales / coupon codes that bring it back down close to the $26 sales price? Would love one
32 usd is the lowest atm
29.99 $ from AliExpress Lumintop Official Store. I paid under 23.5 $ at 27.3. Havent arrived yet and the anticipation is sky high. Vapcell purple H10’s should do the trick for this lights power consumption needs. Just gotta wait and see. EDCing Micro or BLF A6 will be probably one of my hardest flashlight choosings ever.
At first I thought it to be a limited-application light, but damn, I’m carrying it in my pantaloons even just going out in the backyard. E03 for close-in viewing, ‘micro for owl-spotting. And nowhere near the bulk of a C8/P30/‘mini/etc.
For small size throwers (and if I don’t need it for long runtime), for me it’s a toss-up with either the GT Micro or the Emisar D1 in 18350 tube format. Both are small, D1 in 18350 will be more ‘stocky’. Almost similar throw for GT Micro vs Emisar D1..
Hmm, odd. Tacked onto an order a pair of Vapcell 7A 14500s to try in lieu of the EBLs I’m running now. Doesn’t seem to be much if any difference.
There might be some difference/increase, numerically, but not (to me) visually. There’s enough of a pause between ceiling and turbo to see only a very faint increase in brightness (real or imagined) with both, despite the rather long “blink” between.
And comparing to a new EC4GT (approximately matching their respective brightnesses), there doesn’t seem to be any difference between the Vapcells and the EBLs.
Both cells were topped off to 4.20V right out of the Opus.
So… looks like I could get by fine with my generic EBLs?
Vapcell L10 gives 2.8 A on turbo and Keeppower 840 mah about 2.6 A. Looks like I need some better batteries. H10 which I should have received, but nooo lets send him L10’s.
So 4.5A is max what this light takes? Its funny when it goes from 3.6A to 4.5A and its only gives +135 lumens more. Whats XP-L HI’s “sweet spot”?
Maybe I will test my Vapcell L10’s vs. Keeppower 840 mAh’s. No lumen testing available though. Its bright or little bit brighter.
In Texas Ace’s XPL-Hi LED test, going from 3.5 to 4.5Amps of power increased by around 200 lumens (but these are likely bare LEDs, not in a flashlight)
163 kcd? Is that possible in this size? I got ~112 kcd in mine with the OSRAM black flat, so maybe... Turbo can go higher than 2.5 amps, but nothing crazy.
No - they are spec'ing this light to be 2.5 amps on turbo in the BG listing, on Nealsgadgets, and in the OP in this thread. This is a FET+1 driver with no amp limit imposed. There's been several posted about measuring more than 2.5 amps. Maybe 2.5 amps is the best you can do with their battery - button top and built-in charging.
Vapcells are generally Highly Regarded.
I’ve got EBL 14500s and use them in pretty much anything that can take ‘em.
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
Same experience here, I tested several different flat-tops. Some work, some may not.
The GT Micro uses a nipple on the positive side, so some flat-tops that are just “slightly raised” will make contact. But some really flat flat-top 14500’s may not make contact, using a small button magnet will workaround this issue.
Been trying to contact Lumintop for an RMA on this light so I can send it to them to get it replaced or repaired. No response from them at all. I bought this light on Amazon through Sino Trading Co, LTD. Had a bad switch right out of the gate. Inconsistent, sometimes requiring multiple clicks to turn off. Sometimes reverts to low beam all by itself. I was pretty bummed about it cause I loved the light but the switch had me pulling my hair out. Contacted Sino about it and at first they tried to downplay anything was wrong and then told me I had to pay to ship it back to China and then only IF they received it, I would get a refund. Was nervous about shipping it back to China and paying more money so didn’t do it. Figured I would try to deal straight with Lumintop but so far my complaints are falling on deaf ears. Does Lumintop even give a shit or do I just chalk this off to a bad day?
All my orders from China since January are still pending to being shipped, when usually it takes days, that being from BG, AE, AMZ, etc.. So, I'd say, just bad timing..
Mine also , still say`s 11 days to process . , BUT my K1 came in 8 days only …. thanks Hank !
Now all order are at 18 Days to shipment , just have to wait
BLF A6 S2+ SST40, GT Micro
a few C8`s , C8+ SST40, M21A SST40
HS 802, dd SST20 5k @4.6 amps,
P30,
Emisar D1S xp-g2 dd S4 2b
EC01
S70s,
UT02 - 5 amps and luv it ! with E2 3C
Klarus G35
Maxtoch New Sniper M24 dd U3
MF02 ,
FT03 SST40
Emisar K1
i think iv got it covered ! Wish list SP70 , SP36 BLF
The micro throws very close to the mini
t ouellette
I missed the bus at 26 so I just purchased it at 42 and change on Amazon, ouch! The good news is it will be here in two days.
The bad news is my wife is going to kill me in my sleep when she wakes for also purchasing the FW1A Pro and the FT03 this week. 
Better sleep in the spare room with the door locked tonight. 
Doug S.
i hope so , i cant believe how tiny it really is And i cant wait to recieve my Vapcells 10A to try it out
cheers
BLF A6 S2+ SST40, GT Micro
a few C8`s , C8+ SST40, M21A SST40
HS 802, dd SST20 5k @4.6 amps,
P30,
Emisar D1S xp-g2 dd S4 2b
EC01
S70s,
UT02 - 5 amps and luv it ! with E2 3C
Klarus G35
Maxtoch New Sniper M24 dd U3
MF02 ,
FT03 SST40
Emisar K1
i think iv got it covered ! Wish list SP70 , SP36 BLF
Gotta get this if its on sale someday. Almost same price as Mini and I would only want this for because its so small so still resisting the itch.
Still having problems with the button. It will always turn on but is really inconsistent with getting it to turn off. Been trying to get a hold of Lumintop for almost two months to get it fixed but they are not being cooperative. Their service regarding warranty work is just terrible. They might as well not even have a warranty cause it’s a joke. At least for me it has been.
So getting this finally when Aliexpress sale starts and just wondering what batteries to get. I already got 2x KeepPower 840 mAh button tops, but maybe getting two more. Are these good enough for this? I been using them in my Fenix LD12 for that 320 lumens mode.
I been kinda between two choices for new batteries: Shockli 1000 mAh that are cheap +3.2 €/pcs or Vapcell H10’s which seems kinda superior in every way if you can get those somewhere? Not sure about price of those.
Anything else I should get? Holster?
KP 840's are pretty low power, pretty dated. They are the old SANYO 840's, been around since 2012 or even further back maybe? If the KP's are protected, even worse - the old PC was much more inefficient than the better ones available now. The 1000 mAh unprotected is probably the best all around, available under various labels.
I've used the SANYO's a lot way back, 5+ years. I even have the KP protected versions as well - definite high resistance comparatively.
I use efest purple 14500 cells in my Micro, and they work just fine. I don’t use it often enough to have a good feel for run times, but I have a total of four cells, and a Nitecore D2 sitting right next to the cells, so I don’t worry about it.
You don't really need a parachute to skydive. But you DO need one if you want to skydive twice!
Does anyone know of any sales / coupon codes that bring it back down close to the $26 sales price? Would love one
I wish…
At first I thought it to be a limited-application light, but damn, I’m carrying it in my pantaloons even just going out in the backyard. E03 for close-in viewing, ‘micro for owl-spotting. And nowhere near the bulk of a C8/P30/‘mini/etc.
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
32 usd is the lowest atm
all new deals are also posted here: deals.m4dm4x.com
if you do not find what you are looking for :
ask MARTIN@M4DM4X.COM - i will save you money!
29.99 $ from AliExpress Lumintop Official Store. I paid under 23.5 $ at 27.3. Havent arrived yet and the anticipation is sky high. Vapcell purple H10’s should do the trick for this lights power consumption needs. Just gotta wait and see. EDCing Micro or BLF A6 will be probably one of my hardest flashlight choosings ever.
For small size throwers (and if I don’t need it for long runtime), for me it’s a toss-up with either the GT Micro or the Emisar D1 in 18350 tube format. Both are small, D1 in 18350 will be more ‘stocky’. Almost similar throw for GT Micro vs Emisar D1..
Hmm, odd. Tacked onto an order a pair of Vapcell 7A 14500s to try in lieu of the EBLs I’m running now. Doesn’t seem to be much if any difference.
There might be some difference/increase, numerically, but not (to me) visually. There’s enough of a pause between ceiling and turbo to see only a very faint increase in brightness (real or imagined) with both, despite the rather long “blink” between.
And comparing to a new EC4GT (approximately matching their respective brightnesses), there doesn’t seem to be any difference between the Vapcells and the EBLs.
Both cells were topped off to 4.20V right out of the Opus.
So… looks like I could get by fine with my generic EBLs?
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
i measured some of my cells
all new deals are also posted here: deals.m4dm4x.com
if you do not find what you are looking for :
ask MARTIN@M4DM4X.COM - i will save you money!
Kewl, tnx! Interesting to see the differences in cells.
If I can find my clampmeter
I’ll give the EBL vs Vapcell a whirl.
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
So 4.5A is max what this light takes? Its funny when it goes from 3.6A to 4.5A and its only gives +135 lumens more. Whats XP-L HI’s “sweet spot”?
Maybe I will test my Vapcell L10’s vs. Keeppower 840 mAh’s. No lumen testing available though. Its bright or little bit brighter.
Vapcell L10 gives 2.8 A on turbo and Keeppower 840 mah about 2.6 A. Looks like I need some better batteries. H10 which I should have received, but nooo lets send him L10’s.
In Texas Ace’s XPL-Hi LED test, going from 3.5 to 4.5Amps of power increased by around 200 lumens (but these are likely bare LEDs, not in a flashlight)
I guess if we had the voltage-drop over the cell we had a better idea about the cells performance
all new deals are also posted here: deals.m4dm4x.com
if you do not find what you are looking for :
ask MARTIN@M4DM4X.COM - i will save you money!
Patience is a virtue, they say.
Edit: Wrong thread, I want Nano
I just noticed this new product on Nealsgadgets!
LUMINTOP GT MICRO OSRAM KW CSLNM1.1 809M 14500 THROW
I wonder if using the Vapcell H10 would fry the emitter.
163 kcd? Is that possible in this size? I got ~112 kcd in mine with the OSRAM black flat, so maybe... Turbo can go higher than 2.5 amps, but nothing crazy.
You mean the driver is limited to 2.5A? But the white flat maxes out at 5A-6A and the Vapcell H10 is rated for 10A continuous
No - they are spec'ing this light to be 2.5 amps on turbo in the BG listing, on Nealsgadgets, and in the OP in this thread. This is a FET+1 driver with no amp limit imposed. There's been several posted about measuring more than 2.5 amps. Maybe 2.5 amps is the best you can do with their battery - button top and built-in charging.
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