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Thread: 4Sevens Mini Turbo MKIII

  1. #1

    Default 4Sevens Mini Turbo MKIII

    Earlier this week I received this latest version of the 4Sevens Mini Turbo from Prometheus Lights. I ordered it on a pre-sale special offer at a minor discount off the $65 advertised price.

    A year ago I had one of the fire-sale ($18) Mini Turbo MkII's with me on a trip through Asia and I was really impressed with how handy it was for a tiny light with a wide dynamic range of output. I found that I used this light much more than the two SureFires that I also had on the trip.

    Jason at Prometheus lists the changes in the MkIII version:

    What's new with the Mini Turbo MKIII


    • User interface: similar to the previous UI but revamped for better usability and wider appeal to different owners. Details below.
    • Pocket clip: The new clip is a thicker material and a standard "one way" pocket clip. We wanted the pocket clip to be awesome, but if there is demand, we may offer the old "two way" clip as an accessory.
    • Body Machining: Fuller grooves were added to the body for improved rotational grip.
    • Tail: It also has an all new magnetic tailcap that makes it compatible with the 360 Headlamp (Coming Soon). In the future we plan to release a non-magnetic "dummy" insert and a keychain attachment that can both replace the magnet.
    • Cree LED: The MKIII features the newest Cree XPL-HI LED with neutral tint and 4500K color temperature and 75+ CRI.
    • Hybrid Memory: A blend of memory and no-memory, the hybrid configuration saves the last mode used, but reverts to the first mode in the sequence when shifting out of a saved mode.
    • Solid Copper (Direct Thermal) MCPCB: The LED is mounted to a solid copper PCB to provide superior thermal performance and maximum output.
    For me, the most noticeable differences are the 4500K neutral tint and the magnet in the tailcap.

    I haven't really kept up with LED's that much and I was surprised to see that the XPL-HI appears to be de-domed (or, should I say, never domed?) but gives a very nice tight hotspot with the Mini Turbo reflector.

    The beam is lovely and indeed looks warm compared to other recent lights like the SureFire EDCL-1T and E1B-MV.

    As with many Chinese lights, there are modes and sub-modes and coded twists and LED blinks to help navigate the maze of the user interface. If I'm in Mode 4 and want to activate the strobe as a visual warning for my stalled car a year from now, will I remember how to do it? I somehow doubt it.

    Of course, for simple folks like me, I can just put the light in one of the KISS modes and lock it down.

    I'm wondering if having a strong magnet in my pocket is a good idea. On one hand, if I'm working next to a refrigerator or auto body (not a Corvette ) I can stick the light on to give me both hands free. On the other, if I put that hotel room key card with the magnetic stripe in my pocket, it's a long way back to the front desk to have my key programmed again.

    I let the light run down on the high mode and it gets warm unlike the original 4Sevens Mini (Mk I) which gets (dangerously in my opinion) hot. I carried the original Mini light for a few days but I was afraid to use it much on high because I feared that I would drop it somewhere inaccessible, like under the rudder pedals of a Boeing, while it was on high mode.

    Over all, I'm really enjoying this new light. The throw on high, max or burst (as it seems to be called ) is good enough to spot deer, possums and coons in the back forty this time of year and the moonlight level is great for maintaining night vision at 3 am.
    Last edited by Vox Clamatis in Deserto; 01-17-2019 at 03:04 PM.

  2. #2

    Default Re: 4Sevens Mini Turbo MKIII

    Just ordered one today

  3. #3
    Flashaholic
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    Default Re: 4Sevens Mini Turbo MKIII

    These are neat lights, I've got one modded with the tiny Oslon emitter inbound. Crazy performance in a small package even when stock.

  4. #4

    Default Re: 4Sevens Mini Turbo MKIII

    I received my preorder a few days ago as well. I am really impressed by the heat management on burst. The brightness it maintains after ramping down is also impressive. Comparing this light to a Fenix E16, I can put them both on burst/turbo, and after 60 seconds, the Mini Turbo Mk III is still extremely bright and throwy, and the body is only a little warm. By comparison, the E16 starts to heat up as soon as I switch it to turbo; after 1 minute of use, the whole body has gotten uncomfortably hot and the brightness resembles the output of one of my AAA flashlights.

    The only thing I'm not crazy about with the Turbo Mk III is the UI. I find it a little tricky to "double twist" the light to get it to go into burst from the default mode configuration. I wish there were a configuration with burst being only one twist away from another brightness level. My solution has been to use configuration 2 (max/strobe), since I bought the flashlight to use it on max anyway, and again, the heat management is very good. I plan to simply use it on burst all the time and allow it ramp down to high on its own if I use it for more than a minute at a time, which I probably won't do that often.

    I got the light for camping, so I can use a lightweight, floody headlamp as my main light around camp but simultaneously have a thrower on tap at all times to check on animal noises just beyond my campsite. I think it will be perfect for that. Not sure about the beam profile for EDC, but that's why they make the non-Turbo version.

    Regarding the tail magnet, it seems that a solution is on the way
    Quote Originally Posted by From their website:
    Tail: It also has an all new magnetic tailcap that makes it compatible with the 360 Headlamp (Coming Soon). In the future we plan to release a non-magnetic "dummy" insert and a keychain attachment that can both replace the magnet.
    I will be one of the first people to order the non-magnetic tailcap.

  5. #5

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by koziy View Post
    The only thing I'm not crazy about with the Turbo Mk III is the UI. I find it a little tricky to "double twist" the light to get it to go into burst from the default mode configuration. I wish there were a configuration with burst being only one twist away from another brightness level. My solution has been to use configuration 2 (max/strobe), since I bought the flashlight to use it on max anyway, and again, the heat management is very good. I plan to simply use it on burst all the time and allow it ramp down to high on its own if I use it for more than a minute at a time, which I probably won't do that often.
    Yep, the UI is a little tricky for me as well. The instructions warn 'Use a momentary "press" [sic] (not a "click") when entering configuration mode.' Presses on a twisty light? Huh?

    I'm not able to reliably get the light into burst mode with the two twists in 'less than .25 seconds'.

    Once you navigate to the strobe mode, it is very bright and at a psychedelic frequency that might even require a warning label in some countries. In the UK you have to post a warning when a video contains flash photography for example.

    The UI fondly reminds me of some of Henry's clickies from years ago. And reminds me why Marines like the Surefire two-level tailcap interface.

  6. #6

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by Vox Clamatis in Deserto View Post
    Yep, the UI is a little tricky for me as well. The instructions warn 'Use a momentary "press" [sic] (not a "click") when entering configuration mode.' Presses on a twisty light? Huh?
    From on, just barely unscrew the head until the light turns off. You should now be able to press the head in and it will light up, due to imperfect tolerances in the threads. To enter programming mode, don't forget to keep pressing in on that 10th press.

  7. #7

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by koziy View Post
    From on, just barely unscrew the head until the light turns off. You should now be able to press the head in and it will light up, due to imperfect tolerances in the threads. To enter programming mode, don't forget to keep pressing in on that 10th press.
    Thanks for the tip, I am getting a little better at the conventional >.25 second double twist. I'm glad the light is not titanium with the galling issues on the twisty interface.

    It looks like burst and max are both 700 lumens on the Turbo MkIII, high is 300 lumens.

    I really like the tint of this latest 4Sevens pocket rocket. I have a non-Turbo Mini MkII in titanium with a similar warmth.

    I don't carry a gun or eat snakes but I do like to go on night walks in the country on a quiet rural road. I use the moonlight mode to look out for rocks and turtles on a dark lane without disturbing the few neighbors. When a lone car pops over the hill, I like to have a bright light to quickly shine on the ground to let them know I'm there. Of course, I need to carry a spare light in case the little Turbo Mini squirts out of my clumsy fingers and turns off while I'm trying to do those tricky mode changes.

  8. #8

    Default Re: 4Sevens Mini Turbo MKIII

    This thread needs pictures.

    ~ Cg
    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  9. #9

    Default Re: 4Sevens Mini Turbo MKIII

    Ordered one this morning.

  10. #10

    Default Re: 4Sevens Mini Turbo MKIII

    The LED choice, firmware, and clip are all improvements. The grip is step backwards IMO, much slipperier than the dogbone shape. Jury is out on the magnet. CR123 compatibility is a huge plus IMO since these make great backup lights for stashing due to their compact size.


  11. #11

    Default Re: 4Sevens Mini Turbo MKIII

    I'm really enjoying the photos, especially the comparison ones. L@@King forward to receiving the new MiNi MK III.

    ~ cG
    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  12. #12
    ven's Avatar
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    Default Re: 4Sevens Mini Turbo MKIII

    Great pics, not keen on new body though...........much prefer older style . xpl HI is a great option, i had mine modded to xpl HI 4000k and it makes for a great pocket thrower.

  13. #13

    Default Re: 4Sevens Mini Turbo MKIII

    Yep, thanks for the razor sharp photos.

    Gotta love that stainless steel MkII as well, although mine seems to tighten up on the twisty action when it gets cold.

  14. #14
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    Default Re: 4Sevens Mini Turbo MKIII

    Is the magnet removable from the body?
    "Rage, rage against the dying of the light..."

  15. #15

    Default Re: 4Sevens Mini Turbo MKIII

    I believe there was talk of an optional accessory non mag tail cap "available at a later date" or you can always kill the magnet with judicious application of heat!

  16. #16

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by scout24 View Post
    Is the magnet removable from the body?
    It L@@Ks like you could use some needle noise pliers to remove the brass retaining ring. I don't know if there was any adhesive used. A picture of the possible keychain lug can be sen here. - https://www.instagram.com/foursevens/

    He he, just received shipping notice. Come to papa little MiNi.

    ~ Chance

    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  17. #17

    Default 4Sevens Mini Turbo MKIII

    I have really been hoping that the new Minis would still ship with the clip on keychain contraption of the MkII but it seems that ship has sailed without us now for some reason?

    I have a Ti on my keys and absolutely love it!
    Last edited by AVService; 01-21-2019 at 02:36 PM.

  18. #18
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    Default Re: 4Sevens Mini Turbo MKIII

    Thanks, CG. A magnet is a non-starter for me personally. I was thinking it would be a cool spot for some glow material. 😁
    "Rage, rage against the dying of the light..."

  19. #19

    Default Re: 4Sevens Mini Turbo MKIII

    More great pictures from AVService!

    ~ cG
    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  20. #20

    Default Re: 4Sevens Mini Turbo MKIII

    If anyone is interested, the tailcap magnet is easily removable, albeit it leaves the tail a little hollow looking. The brass ring unscrews pretty easily. There is no threadlocker or glue, and you don't need a special tool. I set the flashlight head down on a steady surface and used a very small allen wrench to turn the brass ring counter-clockwise.

    I have found no obvious way to upload images to the forum website and the FAQ says don't embed, so if you want to see a photo, see the following link: https://imgur.com/a/gyl7VTB
    Last edited by koziy; 01-21-2019 at 06:50 PM.

  21. #21
    Flashaholic* thermal guy's Avatar
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    Default Re: 4Sevens Mini Turbo MKIII

    The body looks much bigger in diameter. Is that the case or am looking at it all wrong?
    If i had one day left to live i would want to be at my workplace.Because every day is like a frickin eternity.

  22. #22

    Default Re: 4Sevens Mini Turbo MKIII

    Aww,Shucks......

    Thank You!

    Quote Originally Posted by Chauncey Gardiner View Post
    More great pictures from AVService!

    ~ cG

  23. #23

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by koziy View Post
    I have found no obvious way to upload images to the forum website and the FAQ says don't embed, so if you want to see a photo, see the following link: https://imgur.com/a/gyl7VTB
    I feel your pain. Maybe you have to pay to post pictures?

    ATTACHMENTS PERMITTED WITH PAID SUBSCRIPTION ONLY!!
    http://www.candlepowerforums.com/vb/...b3_attachments

  24. #24

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by thermal guy View Post
    The body looks much bigger in diameter. Is that the case or am looking at it all wrong?
    Correct, the grip section is a straight OD with flutes. The early versions had the dogbone shape which gave your fingers a better place to grip. Personally I found it to be quite slippery compared to the dogbone shape. The flutes being lengthwise makes them minimal in benefit for grip, features perpendicular to the central axis instead would likely have been more beneficial.

  25. #25

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by Vox Clamatis in Deserto View Post
    I feel your pain. Maybe you have to pay to post pictures?

    http://www.candlepowerforums.com/vb/...b3_attachments
    Thanks. Yes, that appears to be the case. I figured it would be fine to share the graphical information in a way that didn't use CPF's bandwidth.
    Last edited by koziy; 01-21-2019 at 07:36 PM.

  26. #26

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by koziy View Post
    Thanks. Yes, that appears to be the case. I figured it would be fine to share the graphical information in a way that didn't use CPF's bandwidth.
    I post pics with Tapatalk and it cold not be any more simple,really.

  27. #27
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    Default Re: 4Sevens Mini Turbo MKIII

    The subscriptions allow a limited amount of direct photo ATTACHMENTS from your phone or computer. There is no fee to post from flikr, imgur, etc. Afaik, no real limit to the number of pics you can put here hosted by those sites. People have posted photos here forever without supporter subscriptions, myself included.
    "Rage, rage against the dying of the light..."

  28. #28

    Default Re: 4Sevens Mini Turbo MKIII

    Quote Originally Posted by scout24 View Post
    Thanks, CG. A magnet is a non-starter for me personally. I was thinking it would be a cool spot for some glow material. 
    Possible offering -


    Probably depends on interest/demand.

    ~ Chance
    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  29. #29
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    Default Re: 4Sevens Mini Turbo MKIII

    That brass rietaining ring being threaded opens up possibilities. Thanks for sharing the pic!
    "Rage, rage against the dying of the light..."

  30. #30

    Default Re: 4Sevens Mini Turbo MKIII

    Mine is scheduled to be delivered today. Looking forward to comparing to the Mini Turbo MkII.

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