[PART 2] Official BLF GT Group Buy thread. Closed, but Public sales open!

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Kbdrake07
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JasonWW wrote:
Kbdrake07 wrote:
Hey all .. wasn’t sure if I should receive a tracking number or a rough idea when I would see my gt.. I am #1133 and paid April 19th

What country are you in?

Have you asked Neal for your tracking number?

I have not asked any one.. I am in Virginia usa

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Kbdrake07 wrote:
JasonWW wrote:
Kbdrake07 wrote:
Hey all .. wasn’t sure if I should receive a tracking number or a rough idea when I would see my gt.. I am #1133 and paid April 19th

What country are you in?

Have you asked Neal for your tracking number?

I have not asked any one.. I am in Virginia usa


I know a lot of USA lights started showing up last week. Yours may still be on the way.

From May 2nd:

Neal wrote:
I just get the tracking info

if you still not get the info from DHL/fedex
pls pm me


Here is his link.

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

ecobalans
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Bedankt Michiel, Jason.
Michiel, do you also know something about tax?

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ecobalans wrote:
Bedankt Michiel, Jason.
Michiel, do you also know something about tax?

I don’t know anything about the customs fees or tax for the Netherlands. Maybe someone from there who has already received their light can give us more details about whether they had to pay a tax.

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

djozz
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Mine came with registered shipping, not DHL, and just slipped through. If they catch it, tax is 21% of the purchase price, plus whatever the shipping company adds as handling costs, in case of DHL in one case that was 18 euro.

ecobalans
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i dont know how mine is shipped. hopefully mine also slipps through.

MichielSanders
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ecobalans wrote:
Bedankt Michiel, Jason. Michiel, do you also know something about tax?

I’m also in the last batch so i’m still waiting.
But all would be send with dhl now so i hope the declared value will be low enough.

Incandescent Lights: Maglite: 2D, 3D, 4D, 5D, 6D, Magcharger.

Led Lights: Maglite: Led AA - Klarus: RS11, RS20 - BLF: Q8, A6, GT, GT mini - Nitecore: TM26GT, SRT9, EC11, T5s, P05Pink, LA10, HC33, HC70 - Fenix: TK76, CL05, CL09 - Olight: M3XS-UT, S Mini CU Rose Gold, Marauder X6 - Petzl: PIXA 3 - Ledlenser: P4BM - Lumintop: Tool Ti - Astrolux: A01 Copper, Ti3a, MF01 - FourSevens: Maelstrom MMU-X3 - Convoy: S2+ Uv 365nm Nicha - Imalent: DX80, DN35, DN70 - Niwalker: Vostro BK-FA30S - Emisar: D1s

Signed up For: BLF: Ultimate lantern, TLF FW3A 

 

 

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GT in action!

GT70 Has Landed August 30, 2018

Texas_Ace
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In this particular light, if you use high quality protected cells like the 10A ones from IMRbattery, then the only real downside will be cost.

Cheap protected cells can suffer other issues like high resistance but that is the cheap protection circuits.

Jimmy007
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Are Lost packages reshipping? Is Neal now im LM?

Texas_Ace
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Jimmy007 wrote:
Are Lost packages reshipping? Is Neal now im LM?

He has not responded to me in a day or 2, that is usually a sign that he is at lumintop or at least away from home. His VPN and thus internet access is seriously limited when it is not at home.

koenigsegg
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Does this look like a copy to you guys? Or is Astrolux and Lumintop related?

https://www.banggood.com/Astrolux-MF04-XHP35-HI-Searching-LED-Flashlight...

Texas_Ace
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koenigsegg wrote:
Does this look like a copy to you guys? Or is Astrolux and Lumintop related?

https://www.banggood.com/Astrolux-MF04-XHP35-HI-Searching-LED-Flashlight...

It is 100% a copy.

I know nothing else about it though.

koenigsegg
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I just happened across it and thought it looked very similar except for the quality Smile

mack303
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Ordered may 5th no word yet on delivery or tracking ..what do I do next please.

Umcookies
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mack303 wrote:
Ordered may 5th no word yet on delivery or tracking ..what do I do next please.

You wait a bit longer, no orders from May have shipped yet to our knowledge. Everything was delayed a bit as they ran out of batteries.

JasonWW
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koenigsegg wrote:
Does this look like a copy to you guys? Or is Astrolux and Lumintop related?

They are 2 seperate companies.

You have not been following its development on BLF these last few months? We talked about it here a long time ago.

It’s not a direct copy. It’s basically a bigger reflector version of the Astrolux MF02 or Mateminco MT35. They started working on it way back when they saw the interest grow during the GT development. It’s running a more basic UI that does 2.5A, but can not do 2A like the GT. So it doesn’t have that longer run time the GT has or the other cool UI stuff you get with NarsilM.

Chinese light makers are always copying and cloning each other. It is what it is.

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

JasonWW
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VernonDent wrote:
Texas_Ace wrote:
Using protected cells is more about your understanding and comfort with lithium cells in generally. I personally own 1 protected cell in the house and it was one I got with a review sample.

Once again, thank you TA for your help.

As a laymen on this lamp (buck? Drivers? Vf? GA? “Out of regulation”?) ,


A driver is what regulates the power between the battery and LED. Electrical current (amperage) is what controls the brightness.

A buck driver is a type of driver that takes a higher voltage and regulates it down to a lower voltage. This is the design in the GT.

Vf stands for Forward Voltage. In this case, we are talking about an led. This one is complicated. I’ll skip it.

GA is the name Panasonic/Sanyo gave to one of their battery models, the NCR18650GA. We tend to say GA for short. Or Panny GA. The Panasonic NCR18650B is called the Panny B for short, etc… The full name is too long to write.

Regulation has to do with the Buck driver design. If you feed it with enough voltage above a certain point, 14.8v in this case, it will maintain a steady output current. 4 fully charged 18650 in series (4.2v each) delivers 16.8 volts. As power is used up from the battery the voltage will also start to drop. Also, as you put a load on the batteries the voltage will sag down a little. Some battery chemistries tend to sag a lot, some a little. The added protection circuitry also tends to add resistance which can cause the voltage to drop more than if it were unprotected. So as long as the driver receives 14.8 volts or above, it can deliver the full 2.5A output to the emitter. This is called regulated output.

Once the driver voltage gets below 14.8v, then the 2.5A starts to drop. So the steady brightness level will start to taper off.

There’s a lot more to it, but that is the basics.

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

JasonWW
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VernonDent wrote:

Are you/anyone comfortable /willing to speak to the CONs of using protected with this particular lamp? What shortcomings will be seen by using protected? Lower lamp output? Less run time since these cells “fall out of regulation” sooner?

Again, for those playing along at home, this lamp will be used with 8 cells in the standard, long tube.

If the CONs of using protected with this lamp outweigh the PROs of using protected, then ill just use unprotected. This lamp touts a long throw, and i want to use the cells that will provide this mile range throw…

Thank you all in advance.


I think you are wrong in lumping together all protected cells. You can’t really do that as the basic cell under the wrapper can have different characteristics. Plus the particular protection circuitry, which is added by a third party, can also very quite a bit.

As you can see here, the added protection circuitry definitely causes an added voltage drop on a 3A load.

JasonWW wrote:
Here is a test HKJ did on an unprotected Panasonic NCR18650B 3400mah and a protected Panasonic NCR18650B 3400mah. Note that the protection circuit, with it’s increased resistance, always causes the voltage to sag lower.

This always reduces performance in a FET driver, hot rod type of light. I would not think it would have any effect in a buck driver design. Maybe it does?


The bigger thing to notice is that even without the protection circuitry, the Panny B just seems to have a lot more voltage sag under load compared to the Sanyo GA (and LG MJ1).

JasonWW wrote:

This also got me to thinking about the B and GA cells. They are both considered really good. I have a few of both. HKJ tested both (unprotected) and the results are kind of surprising. The 3500 had much less voltage sag under load.

In certain lights this can give the 3500 an advantage. Interesting.


In the case of ChibiM, he got a triple whammy. Panny B cells, protection circuitry and only one carrier. The voltage to the driver probably dropped to under 14.8v within seconds of turning on Turbo, hence the reduced output.

When he used both carriers, reducing the load by half, it will take a bit longer before it drops out of regulation. 5 mins? 10 mins? Hard to say.

So I think we all learned something here. If you want to use a protected cell on the GT, you can. Just don’t use the Panny B, use the Sanyo GA or LG MJ1 as they have much less voltage sag. These two will allow the GT to stay in regulation much longer than the Panny B.

If you want the longest run time at the highest levels, then it’s best to use an unprotected cell. (not Panny B, though)

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

MRsDNF
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Post 101 here shows how the GT performs with four batteries only. 30Q and KD 3500 protected batteries were used in the comparison.

My current and or voltage measurements are only relevent to anything that I measure.

Budget light hobby proudly sponsored by my Mastercard and unknowingly paid for by a hard working wife. 

djozz said "it came with chinese lettering that is chinese to me".

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

koenigsegg
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JasonWW wrote:
koenigsegg wrote:
Does this look like a copy to you guys? Or is Astrolux and Lumintop related?

They are 2 seperate companies.

You have not been following its development on BLF these last few months? We talked about it here a long time ago.

It’s not a direct copy. It’s basically a bigger reflector version of the Astrolux MF02 or Mateminco MT35. They started working on it way back when they saw the interest grow during the GT development. It’s running a more basic UI that does 2.5A, but can not do 2A like the GT. So it doesn’t have that longer run time the GT has or the other cool UI stuff you get with NarsilM.

Chinese light makers are always copying and cloning each other. It is what it is.

I try to follow along but I would do nothing but read this thread to keep up 100%, Sorry if my post was out of place.

DENGOH
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Too bad Astrolux loves to over spec their flashlight. That is another HUGE difference between Astrolux MF04 and Lumintop BLF GT. I don’t side with any manufacturer, fact is fact and it hurts. Not sure Lumintop had over spec their previous products or not, but this BLF GT was properly designed, tested and reviewed before releasing to buyer. Astrolux should do that by sending out review samples.

cool i'll see you when you get there

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koenigsegg wrote:

I try to follow along but I would do nothing but read this thread to keep up 100%, Sorry if my post was out of place.

Nah. I understand.

I tend to follow threads for lights I don’t even plan to buy. Lol

We didn’t talk very much about it in the GT thread because it’s sort of a competitor and it would be considered rude towards Lumintop to discuss it here. That’s all. There are plenty of discussions about it on other blf threads.

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

JasonWW
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MRsDNF wrote:
Post 101 here shows how the GT performs with four batteries only. 30Q and KD 3500 protected batteries were used in the comparison.

I was meaning to ask you, I don’t know what KD 3500 batteries are. Are those the Sanyo GA’s?

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

MRsDNF
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JasonWW wrote:
MRsDNF wrote:
Post 101 here shows how the GT performs with four batteries only. 30Q and KD 3500 protected batteries were used in the comparison.

I was meaning to ask you, I don’t know what KD 3500 batteries are. Are those the Sanyo GA’s?

Heres the info on them.

http://www.kaidomain.com/p/S024244.KDLIGHT-KB3500mAh-3_6V-3500mAh-Rechar...

http://www.kaidomain.com/review/NCR18650GA-reviewpage.htm

My current and or voltage measurements are only relevent to anything that I measure.

Budget light hobby proudly sponsored by my Mastercard and unknowingly paid for by a hard working wife. 

djozz said "it came with chinese lettering that is chinese to me".

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

JasonWW
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MRsDNF wrote:
JasonWW wrote:
MRsDNF wrote:
Post 101 here shows how the GT performs with four batteries only. 30Q and KD 3500 protected batteries were used in the comparison.

I was meaning to ask you, I don’t know what KD 3500 batteries are. Are those the Sanyo GA’s?

Heres the info on them.

http://www.kaidomain.com/p/S024244.KDLIGHT-KB3500mAh-3_6V-3500mAh-Rechar...

http://www.kaidomain.com/review/NCR18650GA-reviewpage.htm


That’s what I thought. They are GA’s. Thumbs Up

KSGER STM32 2.1S Soldering Station Videos - Review Soon

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

koenigsegg
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JasonWW wrote:
koenigsegg wrote:

I try to follow along but I would do nothing but read this thread to keep up 100%, Sorry if my post was out of place.

Nah. I understand.

I tend to follow threads for lights I don’t even plan to buy. Lol

We didn’t talk very much about it in the GT thread because it’s sort of a competitor and it would be considered rude towards Lumintop to discuss it here. That’s all. There are plenty of discussions about it on other blf threads.


Well I really like my GT and am glad I got it. I guess I was just surprised to see a copy so fast. I’ll have to check out the other threads on it, just out of curiosity. I’m usually on the knife forums Smile
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JasonWW wrote:
koenigsegg wrote:
Does this look like a copy to you guys? Or is Astrolux and Lumintop related?

They are 2 seperate companies.

You have not been following its development on BLF these last few months? We talked about it here a long time ago.

It’s not a direct copy. It’s basically a bigger reflector version of the Astrolux MF02 or Mateminco MT35. They started working on it way back when they saw the interest grow during the GT development. It’s running a more basic UI that does 2.5A, but can not do 2A like the GT. So it doesn’t have that longer run time the GT has or the other cool UI stuff you get with NarsilM.

Chinese light makers are always copying and cloning each other. It is what it is.


On the latest MF02 the current was set to 2.7A, personally I prefer to set it down to 2.4-2.5A by a resistor mod. The modes are 15-35-1700-2700. On the 1700 mode the runtime will be longer and the range should be pretty good, the same or greater than on a GT on the 2A mode. The only drawback on the MF02 is the quality of the reflector which has a little op surface like so I suppose that the MF04 will be the same.
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smokuxx1987 wrote:

On the latest MF02 the current was set to 2.7A, personally I prefer to set it down to 2.4-2.5A by a resistor mod. The modes are 15-350-1700-2700. On the 1700 mode the runtime will be longer and the range should be pretty good, the same or greater than on a GT on the 2A mode.

I don’t see how “1700 lumen” on the MF02 would be as bright as the GT at 2A. From 2.5A to 2A you only loose maybe 200-250 lumen. For Astrolux to say it is a 1000 lumen drop, the amp range is probably about 1.2A to 1.3A maybe? Definitely less than 2A. Has anyone measured all the brightness levels on the latest MF02?

BTW, Banggood still shows the MF02 Turbo to be 3000 lumen. The MF04 is showing 2700 lumen.

We are just being nit picky, I think. People can buy what they want. Beer

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smokuxx1987
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Location: Poland

Range and brightness are two different things.
MF04 has a bigger reflector so RANGE could be the same.
I ordered one so I will tell You more when I get it.
I’m curious did LT/ Neal send lost orders.

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