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Thread: XTAR S1 (3*XM-L U2, 2800lm)

  1. #1

    Arrow XTAR S1 (3*XM-L U2, 2800lm)

    XTAR S1

    LED: 3x Cree XM-L U2
    Battery: 3x18650/18700 Li-ion
    Working Voltage: 2.75-4.2V
    Output/Runtime: min. 30lm (330h), max. 2800lm (95m)
    Max range: 360m
    Max Intensity: 32500cd
    Switch: Head magnetic ring switch
    Mode: SOS/Strobe/High/Preset/Select
    Water resistance: IPX-8 standard
    Material: 6061 Aluminium, HA Type-III
    Impact resistant: 1m
    Size: 83mm (head), 47mm (body), 240mm (length)
    Weight: 888g (excluding batteries)

    pics











    + new XTAR 18650 3100mAh (Panasonic NCR18650A cell inside) coming soon







    Last edited by gopajti; 12-27-2011 at 10:56 AM.

  2. #2
    Flashaholic* Glenn7's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Interesting...
    It would be great if it would really have 2750 lumen's we'll see, 83mm head looks promising for some throw - but good find gopajti!!!

  3. #3
    Flashaholic* candle lamp's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Looks like cannon!
    I've heard it's a follow-up model for D30, D31 released in 2009.
    Thanks for good information. gopajti!

  4. #4
    *Flashaholic* kj2's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Looks good , but only Max range: 359m and Max Intensity: 32300cd, IMO a little bit low for this kind of light.
    Mostly reading.

  5. #5
    Flashaholic* candle lamp's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    When looking at the figures, it's not bad compared to TM11 & RRT-3 .
    - S1..............TM11.........RRT-3
    - 32,300 cd....20,000cd....30,000cd
    - 359m..........283m..........346m

  6. #6
    *Flashaholic* kj2's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Well, in that case, those are nice numbers

    -only the working voltage isn't good. "Working Voltage: 2.7-4.2V" - 3* 18650 3,7V = 11,1V.
    Last edited by kj2; 12-22-2011 at 06:21 AM.
    Mostly reading.

  7. #7
    Flashaholic* ico's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    I guess they're connected in parallel

  8. #8
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    I guess the cat's out of the bag now. I do like the preset & select system they use.

  9. #9

    Default Re: XTAR S1 (3*XM-L U2, 2750lm)


  10. #10

    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    It sure is a humongous torche

  11. #11
    Flashaholic* bigchelis's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    I parralel if I understand correctly, that means you add up the mA capacity. So, it would be 4.2V input and about 6000~8000mAh capacity depending on the cells.


    While that may seem great, at potentially 9A hitting each cell......well lets say the OTF lumens could and in my experience do suffer due to cell sag.

    IMHO it would have been better off like the Dry XM-L which is 12.4V input and only 3A~5A per cell. Same power just less cell sag.

    bigC
    Surefire 6P with Malkoff M60 simple, bright, efficient.

  12. #12

    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Quote Originally Posted by bigchelis View Post
    While that may seem great, at potentially 9A hitting each cell......well lets say the OTF lumens could and in my experience do suffer due to cell sag.
    bigC
    ummmm, I'm no expert, but I don't think so

    if each cell were dumping 9A, that'd be 27A at 4.2V. There wouldn't be any sag because it would go poof...

    http://batteryuniversity.com/learn/a...configurations

  13. #13
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Actually, it is about ~3.7V input for the driver after sag and current is around 9 amps. Each cell sees 1/3 of that, 3A. Like the TM11 but that one has 1 additional cell. Those 3 cells would act as if it is one big cell with 8+ AH battery.

  14. #14

    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Quote Originally Posted by bigchelis View Post
    IMHO it would have been better off like the Dry XM-L which is 12.4V input and only 3A~5A per cell. Same power just less cell sag.

    bigC
    Series or parallel, driving 3 LEDs at 3A each pulls 3 amps from each battery regardless.
    Last edited by hellokitty[hk]; 12-23-2011 at 07:40 PM.

  15. #15

    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Looks like a control ring interface?

    "Switch: Head magnetic ring switch"

  16. #16

    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    first post updated

  17. #17
    Flashaholic* Glenn7's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2750lm)

    Woooooooh its massive!!

  18. #18

    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    Quote Originally Posted by gopajti View Post

    Now that's a flashlight!

  19. #19
    Flashaholic*
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    Where do you get these pictures gopatji?!

  20. #20

    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    Jake
    S1 pics originally posted: shoudian forum. (battery pictures are mine)

  21. #21
    *Flashaholic* kj2's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    new batteries yes!
    Mostly reading.

  22. #22
    Flashaholic* candle lamp's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)



    So good!

  23. #23
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    From the beam profile, it seems like it would be more than than 30k cd, with the light driven so hard and with U2. I have a good number of DRYs and a DRY drivered SR3800. They already very nearly touch 30k cd. This light has reflector size between the DRY and various budgetlight 3 x XM-Ls and the TK70.
    Last edited by 2100; 12-28-2011 at 08:13 AM.

  24. #24
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    Quote Originally Posted by 2100 View Post
    From the beam profile, it seems like it would be more than than 30k cd, with the light driven so hard and with U2. I have a good number of DRYs and a DRY drivered SR3800. They already very nearly touch 30k cd. This light has reflector size between the DRY and various budgetlight 3 x XM-Ls and the TK70.
    According to gopajti's number obtained from shoudian.com, it is more than 30k cd (32,300 cd). Would be great to see it compared to a TK70.

  25. #25

    Default Re: XTAR S1 (3*XM-L U2, 2800lm)











    Nikon D700 [14-24mm F2.8] F5.6, 1/8s, ISO2000, WB 5500K

    RRT3 XM-L


    XTAR S1


    RRT3 XM-L


    XTAR S1


    pics from shoudian
    Last edited by gopajti; 12-30-2011 at 09:03 AM.

  26. #26

    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    Wow look at those beam shots, the RRT3 has a lot better spill compared to the XTAR, I don't really like the beam on the XTAR.

  27. #27
    Flashaholic*
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    the S1 definitely has throw capabilities. Wide and deep reflectors. What do you guys reckon? According to the data, they should have similar throw.

    Very nice cool white beam though, unlike the green of the Jetbeam.
    Last edited by xed888; 12-30-2011 at 11:13 AM.

  28. #28
    *Flashaholic* kj2's Avatar
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    nice throw, but the shape of the spill of the S1- I dont like.
    Mostly reading.

  29. #29

    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    I saw in the last time a lot of flashlights with 3 Leds and 3 or 4 18650-batteries. These flashlights are big and unwieldy. I think, it ´s on time to make a better battery than Lithium-18650. The chemistry of this new battery must be better than now, so that one battery reach 6000 - 10.000 mAh and 5 -7 A in size like the 18650. If I see the XTAR S1, then I see a floodlight, but not a flashlight.

  30. #30
    Unenlightened
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    Default Re: XTAR S1 (3*XM-L U2, 2800lm)

    Here's a couple of pics I took in my yard with the S1, they're not the greatest but it was cold out!

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