Hi. What AAA lights are very short in length? A lot of AAA lights are larger than they might be due to large reflector heads. So what small options are out there?
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you can checkout the skilhunt e3a (59.5 x 14mm)
alcaline (not recommanded), nimh or lithium accepted
great value and high cri led option 
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Lumintop edc01? It looks very small to me with a narrow head. I believe there is also no flashlight switch (its a twisty head) which further reduces the length. There is no large reflector head. I think a TIR lens is used to focus the beam. It has the advantage of being a cheap flashlight (about $10-15) but it has the main drawback of dim brightness and low runtime but thats expected in such a small host.
Probably Olight i3E EOS!
EDIT:
I was wrong, Skilhunt E3A is even shorter!
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The E3A is indeed compact, I wish it was a 2 or 3 mode light or even that the single mode was slightly lower.
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Dang! I thought the KC1 was small. E3A is 7.5mm shorter. And 0.8mm more narrow at the head.
@Zymology , welcome to BLF!
Lumintop EDC AAA is the smallest one that I have. Three level twisty. The Fenix E01 V2 is real close, may be thinner, but a mm or two longer(?) Also 3 level twisty. The EDC AAA is a straight tube design, The E01 has a head that is just slightly wider than the tube, but the head is close to the same diameter as the EDC AAA.
Decided to tak a photo:
For reference the E01 is about 66 mm long by 15 mm in diameter at the head 14 mm for the body.
EDC AAA is 61.5 X 14 mm
BTW, I have had an E01 on my keychain for many years. Small enough and light enough that it doesn’t get in the way, but very reliable after all of this time.
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Welcome Luis
Olight i3e, Skilhunt E3A, Thrunite Ti2 are all the same size, smallest single mode twisty AAA lights.
Only the Skilhunt E3A is High CRI.
Maratac is 3 mode twisty, presently only available in Low CRI
Fenix E01 single mode twisty, Low CRI, discontinued
Tool AAA w eSwitch, 3 mode clicky, some are High CRI, some are not.
DQG tiny AAA. Never saw a smaller AAA light in 20 years in this hobby ( except the Preon O from 4 seven but it was heavily inspired from the DQG, the head were even the same threads)
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Interesting. My three
E01s are a lot different than that one. Plus they are three mode twisty lights.
But yeah, I just noticed mine are all the V2 lights
I don’t have any of those other lights to do a comparison… But for reference that DQG Tiny AAA is 61.5mm×12.5m
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good info, but OP wont be able to buy that model, it has been discontinued
the Skilhunt E3A, Olight i3e, Thrunite Ti2 are 60.5 x 14.1mm… The i3e costs the least, when Olight gives them away for free, plus $5 for shipping.
Good point… I just mentioned it because @derfyled mentioned it was the smallest he had ever seen…
Just as a point of reference.
Anyway, for ~$15, the E01 does the job for me. I hope the @Zymology got some good info from the discussion.
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Klarus Mi6
I bought a few of the Skilhunts and find the single mode and high CRI perfect for a tiny keychain light.
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I have the olight i3eos and the lumintop edc01, I don’t notice that small size difference on the keychain and having 3 modes makes up for it.
The olight i3eos and the skilunt E3A are the shortest but having a little more with 3 modes as with the fenix E01v2 compensates.
Keychain lights are the ones I use the most on a daily basis, always at hand.
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1 x AAA flashlights are my favorites, they are easy to carry. Of all the ones AAA I have (more than a hundred) the most compact ones are the ones in the photo, all between 59 and 62 mm: Solidline (Led Lenser) ST1 // Olight i3e // Angryfox playfox K1S (stainless steel) // Trustfire Mini-06 // Skilhunt E3A // Klarus Mi6 // Ultrafire Ti10 (Titanium) // Trustfire Mini3.
For comparison, an old Fenix ​​E05 with 27 lumens and 65 mm, clearly larger than all the others.
I don’t have the Thrunite Ti2, also 60 mm, nor the Ultrafire UF-T1, titanium, with 59.5 mm, which is a very similar model but not the same as the one I have in the photo, this one measures about 61 mm; and I’ve already sold my DQG AAA of about 56-57 mm, the shortest in the world with AAA battery, as far as I know.
Inside the cork, a Trusfire Mini-06 with one almost dead battery
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Yes, I think there is more to an AAA light than just small size. I really like having three levels. Even more if the light is setup to always start on the lowest mode (E01). Something that many miss on. I just don’t care for M/H/L sequences or worse H/M/L. Most of the time with an AAA light I just want minimal light for something like getting a key into a lock. I don’t need to have my night vision killed with 100 plus lumens.
OTH, I use my TS10s much, much more than the E01. But it is a bit large for keyring use.
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Love the oLight i3s. Such a shame they no longer make them, as they were the perfect EDC keychain light for me. The i3e is great, but I would rather have the three modes if available - 120 lumens is just a little too much at times. I love my Astrolux AO1, too. Build quality is better than the oLights, but it’s just a tad too big to wear about the neck all day. long.
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lookup the skilhunt e3a its very small and compact. easy to carry.
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