List of 18350 flashlights (currently available)

Convoy S2 with S2+ 18350 tubes (silver & gray):

S2+ silver 18350 tube fits the Convoy S2:

but the S2+ gray 18350 short tube won’t fit (won’t screw in — see the very large gap)

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Eagle Eye X2R with S2+ 18350 tubes (silver & gray):
(both silver & gray S2+ 18350 tubes appear to fit the EE X2R:)

EE X2R w/ S2+ grey 18350 tube:

EE X2R w/ S2+ silver 18350 tube

I’m just curious to know. Have you tried both S2+ short tubes (silver and grey) with your Astrolux S41/S42, A6 maybe? I’m very familiar with the Convoy shorties, but I don’t have prebuilt Astrolux lights. I just want to know if I can try and use the Astrolux short tubes with some hosts that I have.

The threading of the Astrolux S1 short tube doesn’t fit the Convoy S2+ short tube and vice versa — I think their threading are different, which causes both to not completely screw inside each others tubes…

Okay, but have you tried both silver and grey? As you can probably tell, the silver and grey Convoys do not have the same fit. For some reason, they are built differently. The silver short tube (and the desert tan color as well) are for later generations of S2+, but they seem to go well with the older S2 tube.

Here is an image: Astrolux tube on the left, Convoy on the right!
The threads don’t match and don’t fit. Well, at least not in my Convoy S2+ flashlights!

EDIT: thanks d_t_a for confirming those matches on the tubes :wink: :+1:

Would you care to compare the silver or desert tan (sand) with the Astrolux? I’m more interested in the front thread or the front end for the head. The whole tailcap assembly can be bought anyway, at least for the S41/S42. :wink:

I don’t have any Astrolux flashlight, only the tube (I bought it ’cause I thought it would fit an headlamp I have, to make it shorty…It didn’t fit :person_facepalming: )!
Can’t help with that mate :zipper_mouth_face:

I have Astro S1 on the way. I can compare to my S2+ DT, when I get it, if you let me know what exactly you want me to compare.

Thanks, Pete. I’d appreciate it if you could try the desert tan with the Astro S1. I’m looking for a short tube that I can use with an old host that I like. See the black one in the picture below.

I know for a fact that the S2+ silver and desert tan shorties can be used, especially the silver which seems like a perfect fit, but I am looking for a black one. I’m sure the black and the titanium grey for the S2+ are totally different and will not fit. The same goes with the blue, the green and the red for the S2+. Based on what I know so far, only the silver and desert tan will fit, so I’m looking for something that comes in black and is thread compatible with the silver and dt shorties.

FYI, I purchased a black S2+ short tube from MTN last year, and that’s what I use with my S2+ DT.

This shorty tube works with my blue S2+ as well.

It appears like these short tubes came from different sources in China, or outsourced from different manufacturers.

I tested the Convoy S2+ silver 18350 tube on the black Astrolux S1 — the tube won’t screw in.

Thanks. I guess that would rule out the Astrolux for me.

I just bought a BLF A6 silver with the additional 18350 tube from BG. The short tube didn’t fit properly, leaving o-ring exposed. Asked BG to send another and they declined, saying that they have no control over the quality of these parts. Refund instead. Frowny face.

From left to right:
GT Mini (with 18350 tube) - Astrolux S2 (with 18350 tube, borrowed from Mateminco X6S) - Emisar D1 (with 18350 tube) - Astrolux MH10 (with 18350 tube) - Astrolux S3 (14500)

I know this has been asked before and, somehow, answered partially by d_t_a.
Does anyone know which Convoy S2+ 18350 tubes fit on the black and gray Convoy S2 ?

I asked Simon (through AliExpress) about the black S2+ tube fitting the black S2, and he said “NO”!
d_t_a showed in this thread that the silver shorty tube fits the gray S2.

I would like to know which other shorty Convoy tubes will fit the S2 lights.

Thanks in advance :+1:

Thrunite T1


I cheated. I got a shorty tube from Mountain designed for the Convoy. When it didn’t fit the Sofirn SP32A I had a friend turn down the threads until it fit. I like most everything about it for carrying in my pocket, although it has turned on from time to time. Once you turn down the threads you can’t unscrew the cap to lock it out.

Back then I opted to “de-anodize” the edge of the tube so that I could use it reversed and so that the parts made contact. Now if I want to break contact, I slightly twist the head of it :wink:

This is how mine looks currently (shorty triple) :smiley:

Can the rrt-01 2019 be added?