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Thread: XT11 Beamshots (18650 vs, RCR123's)

  1. #1
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    Default XT11 Beamshots (18650 vs, RCR123's)

    Well I finally picked up some AW 750mAH RCR123's. I wanted to see what the difference was and if it was noticeable. OH HELL YEA!!! Very impressive!!

    Since my beamshots in my last thread weren't absolutely horrific (thanks Teej for the support) I figured I would share my discovery the best way possible. Again, I am throwing out the disclaimer that this is a simple digital camera so noise is an issue that is not there in person. Hope you like them.

    Control shot (barely perceptible tree line):




    XT11 - 18650 Fence line at @80' (missed the fence a little but got the bushes 10 feet behind it...oops):




    XT11 - RCR123's Fence line same distance as above (better aim this time):




    XT11 - 18650 Tree line at @100':



    XT11 - RCR123's Tree line same distance as above:




    XT11 - 18650 Distant tree line at @175':



    XT11 - RCR123's Distant treeline same distance as above:




    Bonus close up RCR shot:




    Again, the shots were a lot better in person. The 18650 was not a slouch in performance at all. I could see a lot more detail like branches and leaves than the distant pictures portray. This was just to show a comparison between the two battery types in the XT11. The detail that you could see with the RCR 123's were spectacular.
    Last edited by Adrenaline_6; 03-26-2012 at 08:51 PM. Reason: Recalculated distancefardistance with google map tool..farther than I thought!

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by Adrenaline_6 View Post
    Well I finally picked up some AW 750mAH RCR123's. I wanted to see what the difference was and if it was noticeable. OH HELL YEA!!! Very impressive!!

    Since my beamshots in my last thread weren't absolutely horrific (thanks Teej for the support) I figured I would share my discovery the best way possible. Again, I am throwing out the disclaimer that this is a simple digital camera so noise is an issue that is not there in person. Hope you like them.

    Again, the shots were a lot better in person. The 18650 was not a slouch in performance at all. I could see a lot more detail like branches and leaves than the distant pictures portray. This was just to show a comparison between the two battery types in the XT11. The detail that you could see with the RCR 123's were spectacular.
    700 lumens always looks good. How is the build quality of your light? I want to regain my faith in Klarus.

  3. #3
    Flashaholic* madecov's Avatar
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Yup, RCR's are great for extreme light. The run time is pretty poor though.

    LEDMITTER<
    I'm not sure how you ended up with two dud's/ I have two personally owned XT-10's and an XT-11 and have sold several XT-11's. No issues at all with any of them. In fact I have the entire XT line and each has been perfect.
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by madecov View Post
    Yup, RCR's are great for extreme light. The run time is pretty poor though.

    LEDMITTER<
    I'm not sure how you ended up with two dud's/ I have two personally owned XT-10's and an XT-11 and have sold several XT-11's. No issues at all with any of them. In fact I have the entire XT line and each has been perfect.
    We'll see. If I get a 3rd dud, I might just order one from you.

  5. #5

    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Adrenaline 6:
    you sure got my adrenaline spiking..I too have the XT11 but so far used with 1x18650. I'd like to ask if what is the voltage of the RCR123 that you used? 3.2v or the 3.7v? After reading your post a while ago a friend suggested to me to try 2x18350s (I don't know if 70mm total will fit though, but I think it will). Have you considered this too? AW has such type, 3.7v. As we know the XT11 is rated up to 8.4v. Here in my place only the 3.2v rcr123 lipo4 is available.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    I use ICR 123's (AW) with 750 mAh in my S18, and they're 3.7v

    That means in the XT11 I could swap the one 18650 for two ICR123's and bump it from 4.2v to 7.4v



    I haven't DONE that because I have the cells in matched sets, and if I swap some to the XT11, I'd need another set of 123's.

    I think I might do that though...as the jump in performance is nice....albeit the drop to 750 mAh from the 3100 mAh I have with one 18650 might negate some of the fun.

  7. #7

    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    So this will boil down to which is better, the ICR 123s or the IMR 18350s? Both have 750mAh. ( at the moment let us not include the 18650's 3100mAh factor) Anyway, if ever you try the IMR 18350s please let me know...they are rechargeables and available in my place

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by ledmitter View Post
    700 lumens always looks good. How is the build quality of your light? I want to regain my faith in Klarus.
    Like everyone else on this forum has been saying. My XT11 is perfect. Build quality is excellent. You seem to be the only one with the bad luck. Sorry about that. If you do decide to get one from madecov, I'm sure he will make sure the one that goes out to you is pristine condition.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by tatasal View Post
    Adrenaline 6:
    you sure got my adrenaline spiking..I too have the XT11 but so far used with 1x18650. I'd like to ask if what is the voltage of the RCR123 that you used? 3.2v or the 3.7v? After reading your post a while ago a friend suggested to me to try 2x18350s (I don't know if 70mm total will fit though, but I think it will). Have you considered this too? AW has such type, 3.7v. As we know the XT11 is rated up to 8.4v. Here in my place only the 3.2v rcr123 lipo4 is available.
    It is a standard 3.7v RCR123 from AW (750mAh). Fully charged is 4.2 volts, so it fits right in with the 8.4v limit. I never considered 18350's since the RCR123 fits the bill perfectly.

  10. #10
    Flashaholic* tobrien's Avatar
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    i had no idea the difference was that incredible. I gotta get one asap now. before, it was a "i'll buy it when I can" but thanks to your beamshots I HAVE to get one asap
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Id like to see a comparison to the Zebra light everyone is talking about.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by ledmitter View Post
    Id like to see a comparison to the Zebra light everyone is talking about.
    The SC600?

    Its very sweet...but it has limited throw compared to the XT11 (Which is floody for that size to start with). The SC600's beam is a pool of light, maybe 50-60 yards worth of good illumination. I have the SC600 and 600W...and use them too, but they are better indoors to flood light, than they are outdoors except for camping, etc...where a ball of light is lantern-like in function, which works great.

  13. #13

    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Thanks for the pics, I think. Now I have to pick up some batteries. Amazing difference and if as you suggest it's better in person I have to give them a shot.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by luvbelly View Post
    Thanks for the pics, I think. Now I have to pick up some batteries. Amazing difference and if as you suggest it's better in person I have to give them a shot.
    No problem. Yes, the "static" or "noise" you see in the pictures is the digital camera so it takes detail away from the actual image. You won't see that in person.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    With the 123's, you SEE the beam itself in the pic. With the 18650's, the targets are lit, but you don't see the beam lighting up the air itself on its way downrange.

    Its only supposed to be ~ 100 lumens or so more, but Crikey, they're a USEFUL ~ 100 lumens.

    It actually makes the floody thing THROW!


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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    I'm trying to decide if it throws better than the ThruNite Scorpion V2


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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by ledmitter View Post
    I'm trying to decide if it throws better than the ThruNite Scorpion V2


    I would be shocked if it did, its a much smaller reflector, etc. Going from floody to throwy is enough improvement as far as range goes as it is.

    We COULD take a light meter and do a 1 M Lux on it to get a guess at least.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by TEEJ View Post
    I would be shocked if it did, its a much smaller reflector, etc. Going from floody to throwy is enough improvement as far as range goes as it is.

    We COULD take a light meter and do a 1 M Lux on it to get a guess at least.




    I've always known the Scorpion was indeed a brighter light (even with the XML-T6), but I didn't like its particular design.

    Err. Back on topic The Klarus XT11 does have a better interface. IMO.
    Last edited by ledmitter; 03-27-2012 at 06:39 PM.

  19. #19

    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    This is getting to be interesting....keep it going guys...
    The SC600 is mostly width, minimal length...the XT11? you've got to see it...its got both
    I'm going to try mine with 2x18350 AW IMRs...3.7vRCR123s not available
    Last edited by tatasal; 03-27-2012 at 09:21 PM.

  20. #20
    Flashaholic* madecov's Avatar
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    As you all know I like the Klarus XT series.
    That being said, I also really like the Thrunite Scorpion V2. I have one and it is a very nice light but large.
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Yeah, its not apples and apples...heck, My SR90 has more throw, and more spill at the same time...but has a shoulder strap rather than fitting in a pocket.

    If comparing 5-6" long lights, with pocketable heads, great UI...etc, the XT11 is in its element.


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    Thumbs up Re: XT11 Beamshots (18650 vs, RCR123's)

    Good job on the photos Adrenaline_6. I have the Klarus XT11 and the Zebralight SC600. The SC600 is very floody and a creamy look to the output. I used only 1 x 18650 in my Klarus XT11 and it worked pretty well I thought. Then one day I put two AW 123 primaries in there and the output amazed me. I have not tried rechargeable RCR123s yet, but the photos are a pretty good representation of what the difference is using 123s. Good job Klarus.
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  23. #23

    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Klarus service (China) has replied to my email query if the XT11 can use 2x18350 cells. Below is their reply:

    Helloi am sorry , 2*18350 also can be safely uesed in the XT11,it will fit in the cell compartment
    best regards

    Now the question is: Which is better and safer.. the 2x RCR123a (ICR) or the 2x18350 IMR. Both at about 750mAh.



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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by Oztorchfreak View Post
    Good job on the photos Adrenaline_6. I have the Klarus XT11 and the Zebralight SC600. The SC600 is very floody and a creamy look to the output. I used only 1 x 18650 in my Klarus XT11 and it worked pretty well I thought. Then one day I put two AW 123 primaries in there and the output amazed me. I have not tried rechargeable RCR123s yet, but the photos are a pretty good representation of what the difference is using 123s. Good job Klarus.
    Thanks Oztorchfreak. I was pretty amazed myself and very happy with my choice on getting the XT11.

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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by tatasal View Post
    Klarus service (China) has replied to my email query if the XT11 can use 2x18350 cells. Below is their reply:

    Helloi am sorry , 2*18350 also can be safely uesed in the XT11,it will fit in the cell compartment
    best regards

    Now the question is: Which is better and safer.. the 2x RCR123a (ICR) or the 2x18350 IMR. Both at about 750mAh.


    Which type of cell can handle the discharge rate safer? I think on the RCR123's, it is right at their limit with a quality cell. I am not sure about the 18350's.

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    Sssh Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by tatasal View Post
    Klarus service (China) has replied to my email query if the XT11 can use 2x18350 cells. Below is their reply:

    Helloi am sorry , 2*18350 also can be safely uesed in the XT11,it will fit in the cell compartment
    best regards

    Now the question is: Which is better and safer.. the 2x RCR123a (ICR) or the 2x18350 IMR. Both at about 750mAh.


    What about 2 x primary 3V 123s vs 2 x 3.7V RCR123s vs 1 x 3.7V 18650 vs IMR cells.

    Which of these would be the best all round battery choice and other considerations?

    We have seen the differences between 1 x 3.7V 18650 vs 2 x 3.7V RCR123s.

    The RCR123s are rated between 3.2V and 3.7V usually and primary 123s are only 3V normally.

    This Klarus XT11 is rated to a maximum working voltage of 8.4V.

    So even 2 x 3.7V RCR123s straight off the charger at around 4.2V each is not going above the maximum working voltage of this flashlight.

    I have noticed the big difference already by using 2 x 3V 123 primary batteries.

    So I would expect to see more brightness with 2 x 3.7V RCR123s than using just 2 x 3V 123 primaries as shown in the beamshots in this thread.

    It would mean some different voltages can be used in this flashlight with different outcomes.

    1 x 18650 = 3.7V or 4.2V hot off the charger.

    2 x CR123s = 6V.

    2 x RCR123s = 7.4V or 8.4V hot off the charger.

    I would have thought this light would regulate itself to a maximum limit of lumens no matter what the input voltage was.

    It does not seem be that way to me.

    Also there is of course the runtime you can get from these formats and do so reliably.

    So there is runtime vs output to consider in this situation.

    I will test that out for myself as soon as I get hold of two 3.7V RCR123s and also some IMRs.

    Then there is the regulation of what it cuts the lumen output to when running at 7.4V or 8.4V.

    Will the operating temperature stay at a safe level when using 7.4V or even 8.4?

    I assume that the pictures in the beamshots were taken before the 3 minute kick down regulation cut in and therefore at maximum brightness.

    Can CPF user Adrenaline 6 tell us whether all the pictures were taken before the 3 minute kick down regulation started?
    Last edited by Oztorchfreak; 03-29-2012 at 06:16 AM. Reason: Update.
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  27. #27

    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Initial email from Klarus service (China):

    Hello,
    2*16340 and 2*18650 both can be safely used in the XT11, the 2*16340 is bot recommended because it will cause excessive voltage release,i hope i have solved your question, if any others,pls contact me
    best regards

    Note: this is the first reply from Klarus of which they mistakenly stated 2*18650 instead of my question of the shorter 2x18350, after which they apologized, as seen in my earlier post.

  28. #28
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by Oztorchfreak View Post
    Can CPF user Adrenaline 6 tell us whether all the pictures were taken before the 3 minute kick down regulation started?
    Yes, I did not wait for the 3 minute kickdown. This amount of light needed for 3 straight minutes wouldn't be needed all that much for me, so I didn't think to wait. Sorry.

  29. #29
    Flashaholic* HIDblue's Avatar
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Wow! I didn't know there would be that much of an output difference on 2xRCR123's?

    Adrenaline 6...any idea how long the run time is using 2xRCR123?
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    Default Re: XT11 Beamshots (18650 vs, RCR123's)

    Quote Originally Posted by HIDblue View Post
    Wow! I didn't know there would be that much of an output difference on 2xRCR123's?

    Adrenaline 6...any idea how long the run time is using 2xRCR123?
    Not very long, as seen on the charts on the very thorough review of the XT11 by selfbuilt http://www.candlepowerforums.com/vb/...EAMSHOTS-VIDEO .

    If you top off your batteries every day and don't need tha much run time, or carry spares then I guess you can live with the trade off, but a quality 18650 is plenty good for most needs I would think.

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