[Review] Convoy M21C ( XHP70.2, 1 x 21700) - Excellent performance and regulation # Outdoor beamshots included

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buck91
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Simon Mao wrote:
aors10 wrote:
Simon, is Convoy M21C xhp70.2 with Biscotti firmware ?
TheAuditor wrote:
I was going to ask if it came with Biscotti software? Simon told me it’s not available as yet

the 12groups driver (biscotti-copy) is in production .
Need about one month

What type of price range do we think the Biscotti version will have?

Pavlo
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Great review. Love the regulation tests. I wonder if the Convoy M3 uses the same driver.

Ευχαριστώ

Unloco
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Simon Mao wrote:
aors10 wrote:
Simon, is Convoy M21C xhp70.2 with Biscotti firmware ?
TheAuditor wrote:
I was going to ask if it came with Biscotti software? Simon told me it’s not available as yet

the 12groups driver (biscotti-copy) is in production .
Need about one month

WOW! I want XHP70 22mm boost driver (1S battery configuration) with Biscuit firmware!

bcm00re
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Simon,
Is there any plan to use the XHP70.2 in the Convoy L21A (which as you know is another light that uses one 21700 cell)? The L21A has a larger head so I assume a larger reflector, but it appears to only be available with the SST40 or XHP35 HI.

Also, can your standard 4-mode (0.1%-3%-30%-100%) driver be mated with the XHP70.2 — in either the M21C or L21A? If so, could we still expect about a 4000 lumen output at 100% (like the current driver in this review)?

Simon Mao
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aors10 wrote:
4 modes are 0.1% -3% -30% -100% or 1% -10% -40% -100% ?

1% -10% -40% -100%

Simon Mao
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buck91 wrote:
Simon Mao wrote:
aors10 wrote:
Simon, is Convoy M21C xhp70.2 with Biscotti firmware ?
TheAuditor wrote:
I was going to ask if it came with Biscotti software? Simon told me it’s not available as yet

the 12groups driver (biscotti-copy) is in production .
Need about one month

What type of price range do we think the Biscotti version will have?

Extra cost is $ 0.86

Simon Mao
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bcm00re wrote:
Simon,
Is there any plan to use the XHP70.2 in the Convoy L21A (which as you know is another light that uses one 21700 cell)? The L21A has a larger head so I assume a larger reflector, but it appears to only be available with the SST40 or XHP35 HI.

Also, can your standard 4-mode (0.1%-3%-30%-100%) driver be mated with the XHP70.2 — in either the M21C or L21A? If so, could we still expect about a 4000 lumen output at 100% (like the current driver in this review)?

This change is simple, as long as there is a suitable reflector. I’m just not sure how many people will be interested in this.

bcm00re
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Why would the XHP70.2 emitter be any less desirable in the L21A than the M21C (that does have it)? I am under the impression that the XHP70.2 has the potential for about twice the lumen output than the SST40. All that said, I could be completely misguided here.

Simon Mao
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bcm00re wrote:
Why would the XHP70.2 emitter be any less desirable in the L21A than the M21C (that does have it)? I am under the impression that the XHP70.2 has the potential for about twice the lumen output than the SST40. All that said, I could be completely misguided here.

uh ,because there is convoy L6

bcm00re
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Simon Mao][quote=bcm00re wrote:

uh ,because there is convoy L6

I believe the L21A is powered by just one 21700 cell and can even run on one 18650. The L6 — which costs almost twice as much (as a L21A) — requires two 26650 cells. IMO those differences are quite substantial.
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bcm00re][quote=Simon Mao wrote:
bcm00re wrote:
uh ,because there is convoy L6
I believe the L21A is powered by just one 21700 cell and can even run on one 18650. The L6 — which costs almost twice as much (as a L21A) — requires two 26650 cells. IMO those differences are quite substantial.

i will make a L21A with XHP70.2 sample first

bcm00re
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Thanks! Let me know if you want to send me one to test out. Wink

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I have decided to order the M21C. Smile

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Today I disassembled the M21C and got some measurements of the reflector + glass that a fellow member requested via PM.
Keep in mind that I don't have a set of calipers, so I used a regular ruler to get the dimensions (so there's a margin for error).

Reflector's base diameter: 26mm
Reflector's top diameter: 45mm
Reflector's height: 39mm
Glass thickness: 2mm
Glass diameter: 50mm

And here's some photos of the glass and reflector:

 
 

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Flashlight enth...
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Are there any other beamshots of this light out there? I’m wondering how the spill compares to a light such as the thrunite tc20.

Joyo
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How far the throw for this flashlight?
What the size of the magnetic tail ring for this flash light?
Is it the same size magnetic tail ring for C8?

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Joyo wrote:
How far the throw for this flashlight? What the size of the magnetic tail ring for this flash light? Is it the same size magnetic tail ring for C8?

The effective range is about 150 meters to 200 meters.
magnetic ring is not suitable because the M21C is heavy

bcm00re
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Simon Mao wrote:
The effective range is about 150 meters to 200 meters.
magnetic ring is not suitable because the M21C is heavy

What LED is that — the XHP70.2 perhaps?
SerenityNow
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I reallllly dig the XHP70.2 emitter in general. Especially in my M3. Anyone else?

Thinking about picking this light up too.

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Simon, please start making modes with 1/2-second mode memory. I am so sick of having to wait 3 seconds for mode memory to set. Even 1 second is too long. Also, consider making a control ring mode selector. That would fix this problem.

Simon Mao
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Rusty Joe wrote:
Simon, please start making modes with 1/2-second mode memory. I am so sick of having to wait 3 seconds for mode memory to set. Even 1 second is too long. Also, consider making a control ring mode selector. That would fix this problem.

Do you hunt with a flashlight? I mean you have to turn the flashlight on or off frequently?

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Simon Mao wrote:
Rusty Joe wrote:
Simon, please start making modes with 1/2-second mode memory. I am so sick of having to wait 3 seconds for mode memory to set. Even 1 second is too long. Also, consider making a control ring mode selector. That would fix this problem.

Do you hunt with a flashlight? I mean you have to turn the flashlight on or off frequently?

Yes, very frequently. Mainly security work. This feature is a must for me.

buck91
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Rusty Joe wrote:
Simon Mao wrote:
Rusty Joe wrote:
Simon, please start making modes with 1/2-second mode memory. I am so sick of having to wait 3 seconds for mode memory to set. Even 1 second is too long. Also, consider making a control ring mode selector. That would fix this problem.

Do you hunt with a flashlight? I mean you have to turn the flashlight on or off frequently?

Yes, very frequently. Mainly security work. This feature is a must for me.

There is still a place for single mode lights. All my of critical function lights are single mode (Surefire/Malkoff, Surefire/Lumensfactory, Streamlight, IU). Well, I guess that’s not completely true as my firefighting light was a streamlight survivor that could access low and flash by holding the button down for multiple seconds… but in functional use this never was a problem.

Simon Mao
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Rusty Joe wrote:
Simon Mao wrote:
Rusty Joe wrote:
Simon, please start making modes with 1/2-second mode memory. I am so sick of having to wait 3 seconds for mode memory to set. Even 1 second is too long. Also, consider making a control ring mode selector. That would fix this problem.

Do you hunt with a flashlight? I mean you have to turn the flashlight on or off frequently?

Yes, very frequently. Mainly security work. This feature is a must for me.

12groups for M21C will be available soon ,
the 12th group is one mode 100% ,this driver is more suitable to you

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Flashlight enthusiast wrote:
Are there any other beamshots of this light out there? I'm wondering how the spill compares to a light such as the thrunite tc20.

 

(unfortunately I don't have the XHP70.2 variant of Convoy M21C, so here it shows only the SST40 variant)

 

Convoy M21C (SST40 5000k) beamshot

 

Convoy M21A (SST40) beamshot (the Convoy C8+ SST40 will perform similarly)

 

Sofirn C8G beamshot

 

I'm not familar with the Thrunite TC20 (Thrunite doesn't appear to ship to my country), but based on specs, I think the closest equivalent I have might be the Convoy M3:

Convoy M3 beamshot:

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Hi. on the Beamshots, a purple halo is visible at the edge of the lighted area. Are these features of photographing, or is it actually observed?

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Ingvarr wrote:
Hi. on the Beamshots, a purple halo is visible at the edge of the lighted area. Are these features of photographing, or is it actually observed?

It’s from the AR-coating on the lens and is common in many lights that have an AR lens (sometimes different colors depending on what color of AR film is used but purple is common).

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BurningPlayd0h wrote:

It’s from the AR-coating on the lens and is common in many lights that have an AR lens (sometimes different colors depending on what color of AR film is used but purple is common).

Sorry. This makes the light of the flashlight somewhat “cheap.” Interestingly, installing an OP reflector will solve this problem?
In my “convoys” with glass with enlightenment, this was not previously observed.
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Ingvarr wrote:
BurningPlayd0h wrote:
It’s from the AR-coating on the lens and is common in many lights that have an AR lens (sometimes different colors depending on what color of AR film is used but purple is common).
Sorry. This makes the light of the flashlight somewhat “cheap.” Interestingly, installing an OP reflector will solve this problem? In my “convoys” with glass with enlightenment, this was not previously observed.

I have several lights from several brands with OP reflectors and AR-coated glass and they all have this artifact, including Convoy.

It is so far to the edge (sometimes past even where the spill itself cuts off) that I have never been bothered by it personally. A new non-coated lens or removing the coating with solvent are two possible solutions. Putting diffusion film on the lens would probably eliminate the effect as well by diffusing the color into the beam.

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BurningPlayd0h wrote:

I have several lights from several brands with OP reflectors and AR-coated glass and they all have this artifact, including Convoy.

Thanks for the detailed answer. Perhaps the cause is the color temperature of the LED ?! I am a lover of warm light up to 4000 kelvin, so this artifact may not appear.

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