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Thread: List of sub-CR2 size lights

  1. #1
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    Default List of sub-CR2 size lights

    By this I mean small lights taking 10180, 10220, 10280, 14250, etc., batteries.

    I collect these lights and have compiled the following list. I'm interested in any I might have missed, or any corrections to my list.

    The lights are listed in order of battery size.

    Here it is:

    10180 Steve Ku 38DD Ti

    10180 Steve Ku 40DD BB

    10180 Steve Ku 40DD Da

    10180 Steve Ku Dogbone

    10180 DQG Fairy

    10180 DQG Spy

    10180 DQG Hobi

    10180 Lummi Wee (in Al, NS, SS, etc.)

    10180 Veleno Designs Quantum D2 SS

    10180 Veleno Helix Zi

    10180 Modamag Drake

    10220 Steve Ku 44DD Ti

    10250 Peak Eiger (in Al, brass, stainless, etc.)

    10280 Black Ti Draco

    10280 Chrome Draco

    10280 MBI-HF

    10280 MBI HF-R

    10250/10440 MBI HF-R Ti

    10280 TnC Nano Lux (in Al, brass, copper, stainless)

    10280 TnC Micro-Lux (in Al, brass, copper, stainless, titanium)

    10280 Tain Ottavino Damascus

    10280 Tain Ottavino Ti

    14250 Lummi Raw (in NS, Al, SS, Da)


    Any additions, corrections, etc. would be appreciated.
    Last edited by magellan; 04-27-2015 at 10:12 AM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  2. #2

    Default Re: List of sub-CR2 size lights

    Hi Magellan, maybe the DQG Hobi to fit in there with spy and fairy.
    Regards,
    Todd

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    Default Re: List of sub-CR2 size lights

    Great, I didn't recall that one. Thanks, Todd!

    I seem to have a very vague memory of the name, but that's it. Will put it on the list.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by magellan View Post
    By this I mean small lights taking 10180, 10220, 10280, 14250, etc., batteries.

    I collect these lights and have compiled the following list. I'm interested in any I might have missed, or any corrections to my list.
    Out of curiosity - do you have all of these!?!

    I've had alot of them, (really only having elected to not do the Nano-lux, but may end up picking one up, would love to hear someone's opinion over PM) but currently only have;

    10220 Steve Ku 44DD Ti - on my key chain since it arrived. Fantastic.
    10180 Steve Ku 40DD BB - gifted one to Matt of AOTH, still have one
    Chrome Draco - second custom light, currently MIA somewhere in my house. I'll put it up for sale when I find it. Great light, just prefer the other two.


  5. #5

    Default Re: List of sub-CR2 size lights

    Sorry to pollute your thread with my illiterate BS and stupid questions Mr. Magellan Sir, but I know you are the expert in regards to lights this size. So with that being said, is the 14250 battery close to the same size as a CR2? If so, will the 14250 work in a CR2 size light?
    Thank you for your time Sir. Your knowledge and expertise is definitely appreciated.

  6. #6
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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by nfetterly View Post
    Out of curiosity - do you have all of these!?!

    I've had alot of them, (really only having elected to not do the Nano-lux, but may end up picking one up, would love to hear someone's opinion over PM) but currently only have;

    10220 Steve Ku 44DD Ti - on my key chain since it arrived. Fantastic.
    10180 Steve Ku 40DD BB - gifted one to Matt of AOTH, still have one
    Chrome Draco - second custom light, currently MIA somewhere in my house. I'll put it up for sale when I find it. Great light, just prefer the other two.
    I have most of them but am still missing a few. Altogether I have 22 of these lights. The ones I'm missing are:

    DQG Hobi (intend to order soon--only problem is the website is hard to figure out)
    Drake
    Peak Eiger
    All the MBI models

    I'm also missing some of the metals variations offered for the Lummi Wee and the same for the TnC lights, since they're offered in so many metals, but I hope to fill in those gaps eventually.
    Last edited by magellan; 04-27-2015 at 05:48 PM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  7. #7
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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by Dirty wage guy View Post
    Sorry to pollute your thread with my illiterate BS and stupid questions Mr. Magellan Sir, but I know you are the expert in regards to lights this size. So with that being said, is the 14250 battery close to the same size as a CR2? If so, will the 14250 work in a CR2 size light?
    Thank you for your time Sir. Your knowledge and expertise is definitely appreciated.
    Not at all. It's actually a very good question. It's really a very confusing issue, especially for the neophyte flashlight user and I've seen other threads here discussing it. I'm still learning myself so if I say anything wrong the experts here can feel free to correct me.

    The 14250 is slightly smaller in width and length than a CR2 battery, which is technically a 15270 in size. A 14250 is actually a 1/2 length AA size battery, but is 3.7V and not 1.4V like an AA alkaline or a 1.2V AA NiMH.

    Similarly, a 3.0V CR2 battery is actually a different chemistry from a 3.7V 15270, although they're the same size. The 15270 is a lithium cobalt oxide battery at 3.7 volts and is rechargeable. The CR2 is a primary battery at 3.0V and is not rechargeable. You will often see these sold in drugstores by Energizer or Duracell, and are typically used in modern point and shoot cameras.

    This gets confusing because you will see RCR2 batteries offered that are rechargeable and are 3.0V. I have some Orbtronic and Ultrafire cells like this. Both come in exactly the same color green wrapper, so it's easy to mistake the Ultrafire batteries for the Orbtronic. (Ultrafire, Trustfire, etc., batteries are not exactly considered high quality on this forum). I believe these are lithium iron phosphate chemistry. I have also read that some 3.0V RCR2 rechargeables are actually lithium cobalt 3.7V types with an internal resister to lower the output voltage. I'd like to confirm that as I've only seen it discussed here once.

    So the bottom line is that, if a battery is labelled a CR2, it should always be 3.0V. An RCR2 rechargeable, from what I've seen, is also 3.0V, which they get using a different chemistry. A 15270 such as the ones from AW, a quality maker, is 3.7V. It basically all starts with the chemistry. If you know the chemistry associated with a particular voltage you can often figure it out. But often you don't know what chemistry a battery is using unless they say so.

    The situation isn't helped by the fact that you will see CR2/15270 batteries sold on the web.

    It's the same for AAA/10440 size batteries, except the AAA is going is going to be an alkaline or NiMH at 1.2 or 1.5V and the 10440 is going to be a lithium cobalt oxide at 3.7V. Some flashlights, like the Peak Eiger, are able to use both. Some of the Peak and TnC lights do require the higher voltage of a 10440.

    My impression is that most consumers who use CR2 batteries are using them in their cameras. If someone has a real CR2 or sub-CR2 size flashlight, this implies a more savvy flashlight user who is likely to have some knowledge of the issues relating to lithium ion batteries. For example, you knew enough to ask a question because you understood it's a somewhat complicated issue. Again, even knowing the right question to ask in this case implies a more knowledgeable user, one who is already learning about this potentially problematic but fascinating area.

    As this post is already getting rather long I'll have something to say about whether the 14250s can be used in a 15270 light in my next post.
    Last edited by magellan; 05-25-2017 at 12:44 AM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  8. #8
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    Default Re: List of sub-CR2 size lights

    Hi DirtyWageGuy,

    On your question about whether a 14250 will work in a CR2 size light, yes, sometimes they will work, mainly if the light has a tailcap with a spring like my 4Sevens Quark Mini MLR2, my Nitecore Sens Mini, and my Nitecore EZ. This is because the 14250 is a couple of millimeters shorter than the CR2/15270, but it still makes contact with the spring; it just doesn't compress it as much. There may be other lights where it will work that I don't know about. I think it will work in my Lummi Orb CR2 light, but I don't have one in front of me right now, but I'm looking at the 14250 version which does have a tail spring and it works fine in that.

    However, since the 14250 battery is 3.7V and not 3.0V, you have to make sure the light is rated to take the higher voltage. Officially my Quark Mini isn't so rated but I and other members on the forum have tried them without disastrous results. There's still concern though that the emitter and driver circuit board are being pushed too hard, which might shorten longevity. Me, I usually run 3.0V batteries but if I do put a 3.7V in I just don't run it on high for too long because of the heat buildup which you can easily feel.

    In so-called "battery crusher" type lights without a spring a battery that's not exactly the right length might not work because there's no spring. But you could put in a small washer or spacer if you really needed it to work.

    Those were really good questions. Hope this helps!
    Last edited by magellan; 04-27-2015 at 02:15 PM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  9. #9

    Default Re: List of sub-CR2 size lights

    Thank you for the info Sir! Exactly what I was looking for and some! You broke it down like a damn scientist for sure, talkin about the different molecular structures of batteries and what not, man I'm impressed how much you know about the subject and I can't thank you enough!
    You rock!

  10. #10
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    Default Re: List of sub-CR2 size lights

    You're welcome DWG! And much of that knowledge came from hanging out here and reading all the posts by the many expert CPF members. Three cheers for the CPF!
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  11. #11
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    Default Re: List of sub-CR2 size lights

    I'll add to this post, as I think of more ...

    Peak Shasta

    Peak Baltic

    Peak 2xLR44

    Peak 10180

    Peak 10250

    Peak 10280

    Peak 14250

    PhotonFanatic LPK

    Photon ( & "Fauxton" )

    Photon ReX

    Lummi/Orb Fliklite

    TnC Keylux

    TnC Micro-Flex

    Nitecore Tube

    ThruNite TiKey

    TiFli

    Pelican 1810

    Pelican 1830 L4

    Pelican 1990 MityLite 3N

    Tekna Micro Lite

    eGear PICO

    Streamlight Nano

    TranquillityBase 2/3AA custom

    Klarus Mi X5

    LED Lenser V10

    Streamlight Stylus

    Aunoc AAAA

    ... note that these are not in order of size, though
    Last edited by archimedes; 04-27-2015 at 08:16 PM.
    ... is the archimedes peak

  12. #12
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    Default Re: List of sub-CR2 size lights

    Thanks, Archimedes, that's exactly what I was looking for. I'll add those to my list.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by magellan View Post
    Thanks, Archimedes, that's exactly what I was looking for. I'll add those to my list.
    I like these challenges ...
    ... is the archimedes peak

  14. #14
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    Default Re: List of sub-CR2 size lights

    Glad you enjoyed it. That was quite a list.

    Now I need to get to work finding them!

    Plus I'll have another thread soon that I'm going to post, which is for CR2 size lights.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  15. #15
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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by magellan View Post
    Glad you enjoyed it. That was quite a list.

    Now I need to get to work finding them!
    ....
    Some of those I listed may be difficult or near-impossible to acquire.

    I've been looking for a TiKey and TiFli for years ...

    ... and the Peak 2xLR44 is mythical
    ... is the archimedes peak

  16. #16
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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by archimedes View Post
    Some of those I listed may be difficult or near-impossible to acquire.

    I've been looking for a TiKey and TiFli for years ...

    ... and the Peak 2xLR44 is mythical
    Yes. I'm not expecting to ever own many of those. But if it were too easy I might get bored. :-)
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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    Popcorn Re: List of sub-CR2 size lights

    Just an update, I recently picked up a Drake, two stainless steel Peak Eigers, one with the original narrow optic and the other with the mule head, a brass Peak Eiger, a MBI HF-R in titanium, and an HF-R red anodized aluminum model, which plugs a few more gaps in my collection. I also picked up a real oddity because of the battery it uses, a Coast V-16 Penlight, which uses the tiny BR435 3V battery. I include it here because it's a cylindrucal battery, not a coin type. It's a very thin, maybe 2 mm wide cylinder with about a 1/4 inch pin at the top (sorry about mixing measurements :-)). This brings my total to 28 different models and variations in the sub-CR2 size class.

    Dang, still 2 short of 30!
    Last edited by magellan; 06-15-2015 at 07:27 AM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  18. #18

    Default Re: List of sub-CR2 size lights

    Awesome Magellan! May be time for a family pic.. : )

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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by magellan View Post
    ....I also picked up a real oddity because of the battery it uses, a Coast V-16 Penlight, which uses the tiny BR435 3V battery. I include it here because it's a cylindrucal battery, not a coin type. It's a very thin, maybe 2 mm wide cylinder with about a 1/4 inch pin at the top (sorry about mixing measurements :-))....
    Interesting battery, a whole fifty milliamp-hours ...
    ... is the archimedes peak

  20. #20
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    Default Re: List of sub-CR2 size lights

    LOL

    Yes, this is probably the wimpiest light I have. I think a Mag Solitaire is bright by comparison.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  21. #21

    Default Re: List of sub-CR2 size lights

    How about the CQG S3? It uses a 1/2 AAA battery. Link included for reference (but available elsewhere as well): http://www.cnqualitygoods.com/goods.php?id=2205.

    Really small clicky. Very well machined.
    Last edited by apisdorf; 06-16-2015 at 05:20 AM. Reason: Fixed typo

  22. #22
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    Default Re: List of sub-CR2 size lights

    Many thanks! I didn't know that one. I'm going to order a couple. They're only $12.

    The battery might be a 10220, instead of a 10180 or 10280.
    Last edited by magellan; 06-16-2015 at 08:23 AM.
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  23. #23

    Default Re: List of sub-CR2 size lights

    Definitely not a 10180. The battery is taller than a 10180. The only markings are: "Ni-MH 1/2AAA 250mAh 1.2V". The light came with a spacer which is used to allow the battery to be charged like a regular Ni-MH AAA battery. Coolest thing about the light is that I could not figure out at first how to remove the battery. The stainless steel body is so well machined that I thought it was one solid cylinder.

  24. #24
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    Default Re: List of sub-CR2 size lights

    Very cool about the machining.

    Yeah, I should know this as I really like these small lights, but the half AAA is even rarer than the 10180 which is the 1/3 AAA and the 10280 or N size or 2/3 AAA, but these are rarer I believe.

    Okay, looking at my collection of "fractional" AAA batteries I have just two that are 10220. But these are 3.7V, not 1.2V NiMH. I have lots of the 10180 and 10280, which are also 3.7V cells, but only two of these. Comparing them to my black Eneloop X they are indeed 1/2 AAA size, but they are lithium ion, not NiMH.

    It says 120 mAh on the side, in between the 180 mAh of the 10280 and the 70 mAh of the 10180, which makes sense. It's interesting that your 1/2 AAA NiMH is 250 mAh hours and yet the same size 10220 is only 120 mAh, since lithium ion is supposed to have 2 to 3 times the energy density of NiMH. I'm no expert though, am still learning this stuff, so maybe one of the experts here will comment on our observations.

    This might help. I just found this chart at the powerstream.com website:

    http://www.powerstream.com/Size.htm
    Last edited by magellan; 06-16-2015 at 12:33 PM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  25. #25

    Default Re: List of sub-CR2 size lights

    Timing is everything: My brother came by this morning with a battery for a tiny flashlight he and I used to have on our keychains. The battery is a BR435 3V and the flashlight is similar to one I just found here: https://www.maxmax.com/aFlashLED_SubMini.htm

    About as small as you can get with a cylinder battery.

  26. #26
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    Default Re: List of sub-CR2 size lights

    Right. I have the Coast version of that light. Not really very bright but thinner than a straw.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  27. #27
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    Default Re: List of sub-CR2 size lights

    Quote Originally Posted by magellan View Post
    Right. I have the Coast version of that light. Not really very bright but thinner than a straw.
    Same here.
    Was thrown in on a deal iirc.
    In my battery box somewhere.

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    Default Re: List of sub-CR2 size lights

    I would love to see comparative photos of all (or even some) of these! -?

  29. #29
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    Default Re: List of sub-CR2 size lights

    I should do an updated group photo since I now have 37 different sub-CR2 lights. I'll get on that this weekend so stay tuned.

    In fact I just received three DQG Hobi's in brass, stainless, and titanium. So I now have the DQG Spy, Fairy, and Hobi 10180 lights. Am I missing any DQG lights?

    Welcome to the forum!
    Last edited by magellan; 07-02-2015 at 07:52 AM.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

  30. #30
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    Default Re: List of sub-CR2 size lights

    I'd like to add the 10180 based CooYoo Fermion light to the list. This is a very cool little light. The Stainless Steel version (not sure if there are any others) it really nice and the housing seems very well built. Very nice square threads and good o-rings, much better than the little 10180 neck lights in terms of robustness. I'm impressed with the build of this light.

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