[Review] Convoy L8 SBT90.2

[wrap=color color=# bgcolor= #ffc266]Convoy L8 SBT90.2[/wrap]


At the end there will be a summary for those who like only particulars. In each topic I will **bold** the key sentences, so it will be easier to notice what's the most important. Enjoy!

This flashlight was provided by Convoy for the review. Check it here, in the official Convoy flashlight Store


Table of Contents:

  • General parameters
  • Package content
  • Appearance, parameters
  • UI, runtime and charging
  • PWM
  • Waterproofness
  • Light pattern, tint
  • Beamshots
  • Usage and my experiences
  • Gallery and Summary


General Parameters

Type Description
Material Aluminium
Reflector Smooth
Lens Glass, light green AR coated
Switch Side e-switch
Brightness 6400lm max, theoretical
Throw 1461m (ANSI standard), max 534KCD
CCT 5700K
Modes 4 (smooth ramping or 4 modes)
Current 25A
Battery 26800, 6800mAh
Charging USB type C, max 3A charging current
Mode memory Yes
Reverse polarity protection Yes
Low voltage protection Yes
Size [Diameter: (Head: 81mm / Tube: 35mm)] / Length: 191mm
Weight Flashlight: 470g / Flashlight + battery: 710g


Package content


Nice cardboard box. It has to be sturdy, to protect this expensive and heavy (710g with battery) flashlight.
I like that Simon added 26980 adapter, but the charging cable is not necessary, probably everyone has like 15 of those already.



Appearance, parameters


Looks big!
Especially the head, which is indeed very big.


And here’s a quick description of all main components:

Now let’s dive deeper

Aluminium bezel. Nothing special, but does it’s job.

It screws all the way, leaving no gap

Glass lens. Thick one. O-ring for waterproofness. Convoy usually don’t add IP standard, but those flashlights are usually waterproof.

Metal reflector, smooth. Very well made. It’s quite deep, to focus light properly.

It fits perfectly, also leaving no gap



And you can make funny pictures with it

Probably not intended feature

Lots of cooling fins

Next, rubber e-switch. My sample has very little tactile feedback, but it’s probably only my sample.

On the other side there is a charging port with rubber cover. The cover fits tightly

Now important part: LED
SBT90.2 on copper MCPCB, with thermal grease underneath.


Battery tube is very thick, with unique texture for secure grip.


It fits 26800 cell perfectly. This is a “new” cell, longer than not very popular 26650 one.
And it’s big, almost as big as a whole 18650 flashlight (Lumintop FW3A)

Comparison between different cell sizes:

Tailcap has a thick spring and lanyard holes



UI, runtime, heat dissipation and charging


UI

Simple UI with 4 modes. By default, there is a smooth ramping mode, but you can change it to 4 modes.


Runtime

I tested Medium mode, 400lm. As you can see, brightness in not very stable. Sadly.
But hey, 400 lumens lasted 400 minutes, it’s something.


Heat dissipation

Good head dissipation. Here are my test on max brightness, at room temperature:
First 12 min at full brightness:


Charging

USB type C charging port, 3A max charging current

Charging from fully discharged to finish took 3h 49nim, cell was at 4.19V and charger pumped 7422mAh into battery.


PWM

No visible PWM



Waterproofness

No IP standard, but since Convoy flashlights are usually waterproof, I will test it - the flashlight was submerged for one hour and…

…it survived! What a relief :sweat_smile:



Light pattern, tint

Luminus SBT90.2 LED, CCT 5700K, max brightness 6400 lumens. Combined with smooth reflector achieves max throw of 1461 meters (ANSI standard)

Well, looks like a dot and a very uniform circle. Not much to say, really. No tint shift. But that’s it.



Beamshots

ISO200, t2s, f/3.5 sunlight white balance

General picture of what the forest looks like:

Beamshots of L8:



As you can clearly see, the throw is impressive. And not only throw, but throw + amount of spill combined. Yes, the main beam is pencil-like, very narrow, focused and so on, but there is also a fair amount of spill, or side light which makes this flashlight useable in situations other than simply showing off.
Of course, it is not the best choice for hiking, but I hope you got my point.



Usage and my experiences

This is my next thrower, and I noticed I only have Convoy throwers. Which means something. I had other brand’s throwers, but I sold them. But Convoy has something special. I have L21A too, with CULPM1G or something like that. Weird name, it could also be CUTLPGM1D or DUPLMTYK1C. But it probably is the first name. Anyway, I really like it for its size and throw. L8 has better throw, but it also has much more spill. I’m pretty sure when I need a thrower, I’ll take L8 with me.



Gallery




Summary

Convoy L8 is a big flashlight. Not particularly long, but with a big reflector. Of course a big reflector is necessary in a thrower, like this flashlight. What else is necessary? LED of course, SBT90.2 in this case. Power hungry, expensive and bright LED. Thankfully this flashlight is designed to be powered from a big, 26800 or 26980 cell. Truly beast.
If you have a budget, and want something bright (6400lm) with insane throw (1461m) then you should really consider getting this “little” thrower.



Pros:

  • New 26800 cell
  • Waterproof
  • USB type C charging

Cons:

  • Heavy
  • Relatively expensive (well, SBT90.2 alone is very expensive)

If you have any questions, put them below, thanks for sticking for a while :slight_smile:

2 Thanks

Hi,

Thanks for the review.

It has the same specs as my modified K1 with the same led. But a battery with much more capacity along with a bigger light.

Is this Narsil? Anduril?

Can the step down be disabled( Narsil) or is there a thermal ceiling you can set High, for instance , Anduril?

Thx…Dziekuje

It’s Convoy’s own e-switch UI, so neither Anduril nor Narsil.
StepDown etc can’t be configured

1 Thank

Thx…a deal breaker.

1 Thank

Yes, this is Convoy’s own UI.
And… Danke

But why? I get it, for EDC flashlight it’s nice to have Anduril (not Narsil in my opinion, I had a Narsil flashlight only once and it was configured so thermal ceiling was…not existing, I measured over 100degC and made a tea using the flashlight.)
Anyway, it’s nice to have Anduril in EDC flashlight, because it is Everyday Carry, so many options to tweak it is always nice to have. But in a big thrower I don’t feel like I need to change many things - here I have 4 modes or smooth ramping (can be toggled), moonlight and turbo shortcut and that’s all I really need.

I like maximum output on the hiking trail. The only time I use a lower mode is to cool the light down. So if it has a step down that cannot be disabled or the inability to set a high thermal ceiling, I’m not interested.

My K1 is Anduril and the thermal ceiling is set as high as it can be. What ends up happening is I turn the light down because it gets too hot for my hand. I don’t like the light turning down when it’s 50 or 60 C.

When does it step down on max output? Is it a Timed step down or thermal step down? If it’s thermal what’s the temperature it steps down? Thanks

It’s a thermal step down, all Convoy flashlights have thermal stepdown (the only one I’m aware of that does not have it is S9).
It is probably something like 55°C, after those 12min I was barely able to hold it. Keep in mind my tests were at room temperature, with no wind. When walking at night, results will be better, depending on temperature and wind of course.

Ok.

Your graph shows it stepping down around 2 minutes. By the time it’s around three minutes it’s about 35% of its original maximum output.

I realize that’s indoors. But as the weather heats up it’s not going to be too much different Outdoors.

It’s just my preference. For some people it wouldn’t matter. I don’t like the light having control as far as when it steps down. I like my hand to be the judge!

I was looking at getting the L8 a while back but chose the L7 because of cell options. There is not a lot of options for the 26800/26980 and all from battery manufacturers I am not familiar with. I am very picky about the cells I use and don’t trust the cheap ones. Great in depth review of the L8, thank you, who knows I may pick one up to go with my L6 and L7 lights.

1 cell for sbt90-2 is misunderstanding.

There’s always the option to mod it to use Anduril :wink:

1 Thank

It’s always nice to see a different perspective. I personally don’t like 2x 26650 L6 because it is so long. I much more prefer shorter tube and bigger head of the L8

Of course it is! We all have different preferences. For example, when I go in the forest, 50lm is enough for me, I use max brightness only from time to time when I hear something, only for couple of seconds.

2 Thanks

True… I don’t know how to mod it I have to get someone else to do it that’s more money! The only Advantage this light has over my K1 is the battery size. Capacity. No ability to eliminate step down and it’s a bigger light.

I only have one Convoy light.

L21A-KW-CULPM1.TG …8 AMPS.

It’s about 1200 lumens and 300 kcd. It can run on Max output the whole time without heat being an issue. Even in the summer. No doubt because the heat sinking is pretty good and the led doesn’t generate a lot of heat along with only being 1200 lumens.

Nice review, i like the super close up pictures and detailed critique in your writing.

1 Thank

The Pioneman K80-70 is like a L8 with 2x26650’s

I think Pioneman is contracted to produce the L8 for Convoy