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Thread: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

  1. #1

    Cool Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Warning: even more pic heavy than usual.

    UPDATE AUGUST 6, 2013: I have done some comparison pics to the new Neutral White version of the D40A. See post #62 in this thread for more info.





    The D40A is the latest 4xAA light from Sunwayman. The D40A has a distinctive interface for SWM, and the light itself packs a powerful punch despite its diminutive size. Let's see how it does against the recent competition in this space.

    Manufacturer Reported Specifications:
    (note: as always, these are simply what the manufacturer provides – scroll down to see my actual testing results).

    • CREE XM-L2 T6 LED
    • Brand-new Dual-button Side Switch System, slightly depress the side switch buttons for output ranging from 30 to 980 lumens
    • Runs on: 4x AA (Batteries not included)
    • Output/Runtime:
    • Turbo: 980 lumens / .05h
    • High: 550 lumens / 1.7h
    • Mid: 220 lumens / 4h
    • Low: 30 lumens / 31h
    • Peak Beam Intensity: 24800 cd
    • Constant current circuit, constant output
    • High quality reflector with soft beam pattern
    • Optimized Deep Reflector, great throw distance as well as perfect beam pattern
    • High quality aerospace-grade aluminum alloy, Stainless steel head retaining ring
    • Military specification Type III- hard anodized body
    • Waterproof, in accordance with IPX-8 standard
    • Ultra-clear tempered glass lens resists scratches and impacts
    • Tail stand capable- can be used as a candle
    • Included Accessories: Lanyard, O-ring, Holster
    • Dimensions: Length: 4.74" (120.6mm), Head Diameter: 1.57" (40mm), Body Diameter: 1.65" (42 mm)
    • Weight (W/o Batteries): 5.83 .oz (165.4g)
    • MSRP: ~$80



    The D40A comes in the standard Sunwayman hard cardboard box packaging. The light and extras are well secured in hard packing material. Inside you will find the light, good quality lanyard with clip, extra o-ring, holster, manual, product insert and warranty card.




    From left to right: Duracell NiMH; Eagletac GX25A3; Nitecore EA4; Sunwayman D40Al Olight S35; Eagletac SX25A6.

    All dimensions directly measured, and given with no batteries installed (unless indicated):

    Sunwayman D40A 4xAA: Weight: 167.9g, Length: 120.4mm, Weight (bezel): 40.0mm
    Sunwayman M40A 4xAA: Weight: 247.0g , Length: 145mm, Width 57.0mm (bezel)
    Eagletac GX25A3 3xAA: Weight: 151.4g, Length: 109.2mm, Weight (bezel): 38.6mm
    Eagletac SX25A6 6xAA: Weight: 279.8g, Length: 183mm, Weight (bezel): 47.0mm
    Fenix TK45 8xAA: Weight: 307.3g, Length: 202mm, Width (bezel) 50.6mm, Width (tailcap) 44.0
    ITP A6 6xAA: Weight: 209.9g, Length: 174mm, Width (bezel) 48.0mm, Width (tailcap) 37.8mm
    JetBeam PA40 4xAA: Weight: 184.0g, Length: 183mm, Width: 40.8mm (bezel), 42.1mm (max width)
    Lumintop PK30 6xAA: Weight: 454.0g, Length: 218mm, Width (bezel): 62.0mm
    Nitecore EA4 4xAA: Weight: 161.6g , Length: 117.9mm, Width (bezel): 40.2mm
    Nitecore EA8 8xAA: Weight: 301.9g , Length: 182mm, Width (bezel): 60.1mm
    Olight S35 3xAA: Weight 177.3g, Length: 127.7mm, Width (bezel): 38.7mm
    Olight S65 6xAA: Weight 215.4g, Length: 180mm, Width (bezel): 38.7mm

    The D40A is quite petite for the class – just a hair or two longer than the Nitecore EA4, but otherwise similar in stature.







    The overall build of the D40A is excellent. I'm very impressed with the quality and hand feel – especially for such a small build. The light is comfortable to hold and use. Grip is good, thanks to the relatively aggressive knurling on the body (and the ridge detail in the head helps too).

    Anodizing is flat matte black, hard anodized (i.e., type III), with no obvious chips or damage on my sample. Sunwayman has always had top-notch anodizing (although I personally miss the natural finish look). Labels are bright and exceptionally clear (i.e., sharp white against the black background).

    Screw threading is square cut (i.e., trapezoid), and is anodized for lock-out. Threading feels is good, and seems of high quality. It's nice to see the physical lock out, as many carrier-based lights lack this feature.

    The D40A can tailstand easily, thanks to the flat base. There is a lanyard attachment point in the head, so there is no interference with tailstanding.

    There is a dual-switch interface in the head to control the light. While the design and interface reminds of the small AA/CR123A Nitecore Explorer EA/EC-series lights, switch feel is better on the D40A (i.e., more definite tactile feedback). The four screws holding down the plate cover should also alleviate any waterproofing concern. There is even a small LED indicator between the buttons (used as a low-voltage warning in this case). See User Interface below for more information.

    Surprisingly for such a small build, the D40A actually uses a battery carrier.





    I am again impressed by the carrier – despite its small size, it feels very solid (e.g., note the metal end pieces and struts). Also note the careful attention to detail – like the recessed hex-head screws, recessed center contact, etc. The carrier is even reversible (i.e., fits and works in either orientation). Sunwayman has definitely got this right.




    The D40A reflector is lightly textured and surprisingly deep – this should translate into very good throw for the size. Overall reflector dimensions remind me of the Nitecore EA4. The XM-L2 emitter was well centered on my sample

    The light has a flat stainless steel bezel.

    Again, the overall impression of handling the light is one of a quality feel.

    User Interface

    The interface is a novel departure for Sunwayman, with the dual electronic switches in the head. Overall use is thus closer to the smaller Nitecore Explorer series lights (i.e., EA1, EA2, EC1, EC2), but with some differences (e.g., no locator beacon).

    With the head connected to the body/carrier, main operation is controlled by the lower Power switch – press and release (i.e., click) to turn the light on at the previously memorized constant output level. While on, click the upper Mode switch repeatedly to cycle between the four main output levels in the following repeating sequence: Turbo > Hi > Med > Lo. I personally would have preferred the other way round. Note thethe light seems to remember your last choice (even after turning off/on) and advances you down to the next level on subsequent Mode press.

    Turn the light off by clicking the Power switch again. As mentioned above, the light has mode memory, and will return to the last level used when turned back on from off. Note that if you set the light to a lower level, you can jump to Turbo mode directly by doing a quick double-click of the Power switch from Off.

    There are also a number of "hidden" modes. You can access a regular tactical strobe by double-clicking the Mode switch (press any switch to exit). Note that this works when the light is On or Off - a double-click of the Mode switch gives you Strobe. You can access a signaling strobe (called "Police Strobe") by pressing and holding the Mode switch for more than 1 sec when on. Similarly, you can access the SOS mode by pressing and holding the Power switch for more than 1 sec when on.

    From Off, there are two more modes available to you (in addition to Turbo and Strobe, described above). You can access Moonlight by pressing and holding the Power switch for more than two seconds from off. A nice feature here is that the light remembers this mode choice, and comes back to Moonlight when you next activate the light normally. It is not part of the mode sequence cycle however. Press and hold the Mode switch for more than 2 secs from Off to get a beacon mode (called "Aviation mode").

    Please see my detailed oscilloscope traces below for more information on all the blinky modes.

    The red light LED between the switches comes on and flashes as the batteries are running low. You will not see it in normal operation.

    Finally, press and hold both buttons for more than 2 secs to electronically lock-out the light. The same sequence is required to unlock the light (but see my standby drain comments later in this review). Note that you can always physically lock out the light by as simple head twist.

    Video:

    For more information on the light, including the build and user interface, please see my video overview:



    Video was recorded in 720p, but YouTube typically defaults to 360p. Once the video is running, you can click on the configuration settings icon and select the higher 480p to 720p options. You can also run full-screen.

    As with all my videos, I recommend you have annotations turned on. I commonly update the commentary with additional information.

    PWM/Strobe

    There is no sign of PWM that I can see, at any output level – I believe the light is current-controlled.

    Strobe:


    The main strobe is standard high frequency strobe, measured at 13.3 Hz on my D40A.

    Police Strobe:


    "Police strobe" is really a signaling strobe. You get three rapid pulses (at 12.4Hz frequency), followed by a pause – repeating every 1.6 secs or so. This would be used to help direct traffic, identify location, etc.

    SOS:


    Standard SOS signal (dot-dot-dot, dash-dash-dash, dot-dot-dot) in about 6- secs.

    Aviation:


    Aviation mode is a beacon mode, and is a full output flash once every 2.6 secs or so.

    Standby Drain

    A standby current drain is inevitable on this light, due to the electronic switch in the head (and/or tailcap). However, the D40A is fairly unique in my testing. When first connecting the head to the carrier, I measured a drain of 1.71mA for about ~3-4 secs. It then drops down to an ultra-low 11.4uA until a button is pressed. At that rate, it would take about 20 years to drain 2000mAh Sanyo Eneloops.

    If you are concerned about this miniscule drain, you can easily lock-out the D40A by a quick twist of the head. There is also an electronic lock-out of the switch (described earlier). I don't know if this lock-out mode lowers the drain further, but it would hardly seem necessary.

    UPDATE: I have just measured the drain on lock-out mode, and it is a little peculiar. When you engage lock-out by holding both buttons for 2 secs, the current jumps to 2mA for ~2 secs, and then drops down to 311uA. This is higher than the regular standby mode, and would drain 2000mAh NiMH Eneloops in just under 9 months. Odd that the lock-out current is higher, but this still really isn't much of an issue in practice. If worried, I suggest you lock out the light physically by a head-twist.

    Beamshots:

    And now the white-wall beamshots. All lights are on Sanyo Eneloop NiMH, at the maximum supported number for the given models (4x, 6x or 8x). Lights are about ~0.75 meter from a white wall (with the camera ~1.25 meters back from the wall). Automatic white balance on the camera, to minimize tint differences (i.e., my SX25A6 sample is a neutral white tint, but you won't be able to tell that below).













    Simply put, the D40A is fairly similar to the beam of the Nitecore EA4 and Eagletac GX25A3, with maybe a little more corona around the hotspot. This is what you would expect for a comparably sized and shaped reflector with light texturing.

    For outdoor beamshots, these are all done in the style of my earlier 100-yard round-up review. Please see that thread for a discussion of the topography (i.e. the road dips in the distance, to better show you the corona in the mid-ground).

    FYI, any "streaks" you see across the images are bug-trails. Flying insects are often attracted to the bright lights, and their flight trails get captured as swirly streaks due to the long exposure time.



    I'm afraid this outdoor beamshot didn't come out very well – there really isn't much of a difference in throw between the D40A and the GX25A3. It must be my variable hotspot placement that makes the D40A look less throwy than it is. I'll see if I can re-do it next time I head out.

    UPDATE AUGUST 6, 2013: I have done some comparison pics to the new Neutral White version of the D40A. See post #62 in this thread for more info.

    UPDATE NOVEMBER 5, 2013: In case you were wondering, here is how the Sunwayman T45C compares to the Cool White version of the D40A. As you will see, there really isn't much of a beam pattern difference between these lights - as you would expect, based on their physical characteristics and my output/throw measures.





    Testing Method:

    All my output numbers are relative for my home-made light box setup, as described on my flashlightreviews.ca website. You can directly compare all my relative output values from different reviews - i.e. an output value of "10" in one graph is the same as "10" in another. All runtimes are done under a cooling fan, except for any extended run Lo/Min modes (i.e. >12 hours) which are done without cooling.

    I have devised a method for converting my lightbox relative output values (ROV) to estimated Lumens. See my How to convert Selfbuilt's Lightbox values to Lumens thread for more info.

    Throw/Output Summary Chart:

    My summary tables are reported in a manner consistent with the ANSI FL-1 standard for flashlight testing. Please see http://www.flashlightreviews.ca/FL1.htm for a discussion, and a description of all the terms used in these tables. Effective July 2012, I have updated all my Peak Intensity/Beam Distance measures with a NIST-certified Extech EA31 lightmeter (orange highlights).



    As you can see, despite its small size, the D40A has excellent output and throw. Although not quite in the same throw category as the 6xAA/8X lights, the D40A's output matches some of those larger lights. At the moment, the D40A appears to be have brightest turbo modes among all my 3x/4x AA lights.

    In terms of throw, my D40A seems to slightly exceed the Sunwayman specs (note that my measures are done according to ANSI FL-1 standards, with a NIST-calibrated light meter). This makes the D40A at the top of my 3x/4x class lights.

    Let's see how my output estimates compare to the official Sunwayman ANSI-FL1 specs for this light:



    Again, very close. Note that the step-down feature (after 3 mins) actually steps you down directly to the Hi level. See runtimes below for more info.

    Output/Runtime Graphs:







    As you can tell from above, Sunwayman is using a good current-controlled circuit in the light. Performance is particularly good on alkalines, where both regulation and runtime are very impressive.

    The red LED begins to flash as batteries drain down. I haven't carefully monitored it, but it seems to be a reasonably good sensor. The one exception is on fresh L91 lithums – here, the red LED starts flashing immediately, and the light steps down from Turbo to Hi, and then Med, within ~10 secs from activation. I suspect the reason for this is that the voltage sensor detects fresh L91s (which can be ~1.7V) as outside the acceptable range for the light. Once you run down the L91s for a few minutes, enough capacity drains off so that you can at least run the Hi level stably.



    For the above trace, I had to keep restarting the Turbo/Hi modes over the first 7 mins or so, before the light would stably run in Hi (this is why you all the jumping between Turbo/Hi/Med over this time period). While messy, this should at least allow you to approximate the Turbo/Hi runtime. I don't have much in the way of comparator data to other 3x/4xAA lights on L91 lithiums to date, but performance certainly seems decent.

    Potential Issues

    Due to the electronic switch, there is a standby drain when not in use – but it is one of the smallest I've seen and is not a concern (i.e., would take in theory 20 years to drain NiMH batteries, which is far longer than their natural self-discharge rate). It is higher in the electronic lock-out mode though (i.e., would drain the cells in just under 9 months), so you may want to lock out the light by a head-twist for extended storage.

    The light won't stay in Hi or Turbo on fresh L91 lithiums without rapidly stepping down. This appears to be an over-voltage issue, and resolves after several minutes of runtime (to drain off full capacity) – at least for the Hi level. You may have difficulty with maintaining Turbo on L91s.

    The light can roll fairly easily, although there are flat areas of the center ring that provide some stability. Use of the lanyard attached definitely helps.

    Preliminary Observations

    The D40A is the highest output/thrower 3x/4xAA light in my collection at the moment (although the Eagletac GX25A3 is almost indistinguishable). More than that, I happy to say the D40A appears to have excellent build quality and performance.

    Size-wise, the D40A is certainly closely in keeping with the Nitecore EA4 – which is impressive, considering the use of a battery carrier here. Construction and hand feel are top-notch for the D40A. The careful attention to detail through the design of the light is a credit to Sunwayman.

    User interface is a departure for Sunwayman, and I like the new dual-switch design. It is reminiscent of the 1x/2x versions of the AA/CR123A Nitecore Explorer series, but with better switch feel (and likely higher build quality) on the D40A. I find it relatively intuitive for most of the modes. Note that despite the use of only two buttons, you get five constant output modes (including moonlight), and four blinky modes. And I like that the blinky modes are "hidden" off the main interface.

    Regulation and output/runtime performance at all levels tested are excellent. I'm particularly impressed by the alkaline runtime and regulation. The one peculiar aspect is L91 lithiums, where you have to drain off a bit of capacity at first (in order to run in Med or Hi).

    The standby current on the D40A is ridiculously low – you would be looking at 20 years before it would drain your NiMH cells (which would already be long-dead from their own self-discharge characteristics). It's true the standby drain is higher in the lock-out mode, but it still quite reasonable (and you can always physically lock-out the light by a head twist).

    Beam pattern is very good as well – very throwy, with excellent max output. You may want to consider use of a diffuser for more floody light (any of the common 40mm diffusers will fit - like the Nitecore NFD40, Olight M22X or Butler Creek Scope #5). I also personally like the range of output levels, including a <1 lumen "moonlight" mode. A good range of outputs is sometimes hard to find in this class.

    The D40A is the kind of light you could hand to anyone - with little instruction - and have them easily understand how to access the main constant output modes. Coupled with an excellent build – and top-of-class output, throw and runtime performance – you are unlikely to go wrong with the D40A. Definitely a top contender in the multi-AA class.

    ----

    D40A was provided by Sunwayman for review.
    Last edited by selfbuilt; 11-05-2013 at 06:36 AM.
    Full list of all my reviews: flashlightreviews.ca. Outdoor 100-yard Beamshots 2011. Latest: Thrunite Ti3.
    Gratefully accepting donations to my battery fund.

  2. #2
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Let me be the first to congratulate Selfbuilt for this outstanding D40A test/review, as usual ! (sorry kj2...)

    cheers,

    __philippe

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    Flashaholic* kj2's Avatar
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by __philippe View Post
    Let me be the first to congratulate Selfbuilt for this outstanding D40A test/review, as usual ! (sorry kj2...)

    cheers,
    __philippe
    Damn it, I'm late
    Nice review by-the-way . I have ordered a Nitecore traffic wand for my D40A, which always comes in handy.
    “Videre Nec Videri”

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    Flashaholic Dr.444's Avatar
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Thanks SelfBuilt ,, great review as usual
    . . . . . . . . . . . . . .

  5. #5

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by __philippe View Post
    Let me be the first to congratulate Selfbuilt for this outstanding D40A test/review, as usual ! (sorry kj2...)
    Quote Originally Posted by kj2 View Post
    Damn it, I'm late
    You guys crack me up. It sometimes feels like I have you (kj2) standing over my shoulder when I post these.

    And nice write-up yourself kj2. I too have noticed that any of the standard 40mm attachements (like the traffics wand) will fit this light fine. It is nice to see some standardization in bezel diameters - makes mixing-and-matching accessories a lot more fun.
    Full list of all my reviews: flashlightreviews.ca. Outdoor 100-yard Beamshots 2011. Latest: Thrunite Ti3.
    Gratefully accepting donations to my battery fund.

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    Flashaholic* kj2's Avatar
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by selfbuilt View Post
    You guys crack me up. It sometimes feels like I have you (kj2) standing over my shoulder when I post these.

    And nice write-up yourself kj2. I too have noticed that any of the standard 40mm attachements (like the traffics wand) will fit this light fine. It is nice to see some standardization in bezel diameters - makes mixing-and-matching accessories a lot more fun.
    Wish I could With all those reviews, you probably have a nice collection
    I'd to buy this Nitecore because the Olight wand doesn't fit the D40A. The Olight wand does fit the GX25A3.
    “Videre Nec Videri”

  7. #7

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Hi selfbuilt very nice review thanks. i would just like to mention you have missed something out in the ui, with the light off (not in lockout) you have instant access to turbo mode by a fast double click of the power button.. and then you can switch power levels with the mode button as usual . this is a great light imo.. my ea4 now sits on the shelf.
    fenix tk41..fenix tk35..nitecore ea4...olight s10 baton...xtar meteor...sipik 68...eagletac d25lc2...eagletac d25a...eagletac d25c ti 2013... a modded tn31..skyray king...nitecore dx.. sunwayman v11r.. + loads of other lights

  8. #8

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by Bumble View Post
    i would just like to mention you have missed something out in the ui, with the light off (not in lockout) you have instant access to turbo mode by a fast double click of the power button.. and then you can switch power levels with the mode button as usual . this is a great light imo.. my ea4 now sits on the shelf.
    Good catch, yes, that does work. So, if you set the light to a lower level, you can jump to Turbo mode directly from Off by doing a quick double-click of the Power switch.

    As an aside, I notice the double-click of the Mode switch gives Strobe whether the light is on or off. So for those who want to jump to Strobe from Off, you can easily do it. UI section of the main review have been updated with these two points.
    Last edited by selfbuilt; 06-23-2013 at 05:23 AM.
    Full list of all my reviews: flashlightreviews.ca. Outdoor 100-yard Beamshots 2011. Latest: Thrunite Ti3.
    Gratefully accepting donations to my battery fund.

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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Very impressive addition to the 4xAA compact light choices!
    But just to clarify;
    "While on, click the upper Mode switch repeatedly to cycle between the four main output levels in the following repeating sequence: Turbo > Hi > Med > Lo."
    If I'm in LO mode, I have to jump to TURBO, and cycle down to get to MED?

  10. #10

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Another great review from Selfbuilt. Regarding the standby current of D40A, I've heard that in lock-out mode (Press dual switch for 2 seconds), the standby current will reach 2mA. I am not sure if this is true as I do not have the equipment to test it.

  11. #11

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by SCEMan View Post
    Very impressive addition to the 4xAA compact light choices!
    But just to clarify;
    "While on, click the upper Mode switch repeatedly to cycle between the four main output levels in the following repeating sequence: Turbo > Hi > Med > Lo."
    If I'm in LO mode, I have to jump to TURBO, and cycle down to get to MED?
    simply put yes .
    fenix tk41..fenix tk35..nitecore ea4...olight s10 baton...xtar meteor...sipik 68...eagletac d25lc2...eagletac d25a...eagletac d25c ti 2013... a modded tn31..skyray king...nitecore dx.. sunwayman v11r.. + loads of other lights

  12. #12

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by jamjam View Post
    Another great review from Selfbuilt. Regarding the standby current of D40A, I've heard that in lock-out mode (Press dual switch for 2 seconds), the standby current will reach 2mA. I am not sure if this is true as I do not have the equipment to test it.
    i have not measured it myself but i know 3 people who have.. well 4 if you include selfbuilt whilst it does start off quite high and would be a concern.. within a few seconds it drops to a miniscule amount. basically years and years to drain a set of eneloops .
    fenix tk41..fenix tk35..nitecore ea4...olight s10 baton...xtar meteor...sipik 68...eagletac d25lc2...eagletac d25a...eagletac d25c ti 2013... a modded tn31..skyray king...nitecore dx.. sunwayman v11r.. + loads of other lights

  13. #13

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by Bumble View Post
    i have not measured it myself but i know 3 people who have.. well 4 if you include selfbuilt whilst it does start off quite high and would be a concern.. within a few seconds it drops to a miniscule amount. basically years and years to drain a set of eneloops .
    The reason I asked this is because Selfbuilt says: "There is also an electronic lock-out of the switch (described earlier). I don't know if this lock-out mode lowers the drain further". So I assumed Selfbuilt didn't measure the lock-out mode. A lot of reviewers measure the standby drain for "off" mode aka "standby" mode, but not "lock-out" mode. Sorry if I missed it.

  14. #14

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by jamjam View Post
    The reason I asked this is because Selfbuilt says: "There is also an electronic lock-out of the switch (described earlier). I don't know if this lock-out mode lowers the drain further". So I assumed Selfbuilt didn't measure the lock-out mode. A lot of reviewers measure the standby drain for "off" mode aka "standby" mode, but not "lock-out" mode. Sorry if I missed it.
    valid point i think just out of interest people might want to know the drain in lockout ? (just incase theres an unusual "quirk" in the circuitry).. maybe SB may measure the lock out drain ....

    edit ! yes after looking about i see what you mean... higher drain in lockout than standby... but i wonder if they tested it for a fair few seconds or not ?
    Last edited by Bumble; 06-22-2013 at 11:03 AM.
    fenix tk41..fenix tk35..nitecore ea4...olight s10 baton...xtar meteor...sipik 68...eagletac d25lc2...eagletac d25a...eagletac d25c ti 2013... a modded tn31..skyray king...nitecore dx.. sunwayman v11r.. + loads of other lights

  15. #15
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    I just ordered one after seeing this review. Well the runtime graphs in fact. The regulation of a light and circuit efficiency is much more important than the emitter used in light for me. This doesn't seem to disappoint

  16. #16

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    I am wondering if the GX25A3 is more impressive, portable, versatile, practical, compacter and has nicer tint than the D40A. Maybe the D40A styling looks more modern.

    Thanks for the helpful review!

  17. #17

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by SCEMan View Post
    But just to clarify;
    "While on, click the upper Mode switch repeatedly to cycle between the four main output levels in the following repeating sequence: Turbo > Hi > Med > Lo."
    If I'm in LO mode, I have to jump to TURBO, and cycle down to get to MED?
    I'm afraid so - the Mode switch (when On) always jumps you to Turbo first, and then cycles down. I presume they did this intentionally, to give people quick access to Turbo from any mode.

    EDIT: Correction, this is not the case - pressing Mode just advances you back down to the next level. In some cases, I have been able to get it to jump to Turbo first, but I'm not sure what sequence is eliciting that behavior. If I figure it out, I'll update this post.


    My measures initially reported in the review were all under under initial connection. I have just measured the drain on lock-out mode, and it is a little peculiar. When you engage lock-out by holding both buttons for 2 secs, the current jumps to 2mA for ~2 secs, and then drops down to 311uA and stays there. This is higher than the regular standby mode (1.7mA for a few secs, drops down to 11uA), and so the lock-out mode would drain 2000mAh NiMH Eneloops in just under 9 months.

    Odd that the lock-out current is higher, but this still really isn't much of an issue in practice. If worried, I suggest you lock out the light physically by a head-twist.

    Quote Originally Posted by shelm View Post
    I am wondering if the GX25A3 is more impressive, portable, versatile, practical, compacter and has nicer tint than the D40A. Maybe the D40A styling looks more modern.
    Both are nice lights.
    Last edited by Norm; 09-03-2013 at 03:55 PM.
    Full list of all my reviews: flashlightreviews.ca. Outdoor 100-yard Beamshots 2011. Latest: Thrunite Ti3.
    Gratefully accepting donations to my battery fund.

  18. #18

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by selfbuilt View Post
    Both are nice lights.
    lol i guessed so
    Dont feed the trolls.
    ©2012 Got Lumens?

  19. #19
    Flashaholic* kj2's Avatar
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by selfbuilt View Post
    I'm afraid so - the Mode switch (when On) always jumps you to Turbo first, and then cycles down. I presume they did this intentionally, to give people quick access to Turbo from any mode.
    Maybe I've to check again but, for what I remember, if I have the light on med, then turn it off, turn it back on the light cycles to low and not back to turbo. But I could be wrong, I'll check it later.
    “Videre Nec Videri”

  20. #20

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by selfbuilt View Post
    My measures initially reported in the review were all under under initial connection. I have just measured the drain on lock-out mode, and it is a little peculiar. When you engage lock-out by holding both buttons for 2 secs, the current jumps to 2mA for ~2 secs, and then drops down to 311uA and stays there. This is higher than the regular standby mode (1.7mA for a few secs, drops down to 11uA), and so the lock-out mode would drain 2000mAh NiMH Eneloops in just under 9 months.
    Thank you for verification. 311uA is not ideal but acceptable. The electronic lock-out is good for back pack when one need to remain the last used mode. For me I always physically lock-out the light, and when high mode is not needed, I can always start on moon mode, and low mode is just another click away.

    I like this UI a lot. From off, I can have direct access to Turbo, moon mode, beacon, strobe and also the last used mode. IMO Its a lot better than the EA4's UI, don't get me start on the ballooned button on EA4...
    Last edited by jamjam; 06-22-2013 at 01:40 PM.

  21. #21

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by jamjam View Post
    Thank you for verification. 311uA is not ideal but acceptable. ... IMO Its a lot better than the EA4's UI, don't get me start on the ballooned button on EA4...
    Yes, the interface of the D40A is excellent from my perspective as well.

    As for the current draw, it is interesting that the lock-out steps up both the initial and long-term current by exactly 300uA (i.e., goes from 1.7mA/11uA normally to 2mA/311uA in lock-out). But it is a minor wrinkle, as a 311uA current draw is still acceptable (especially in a light with a physical lock-out).
    Full list of all my reviews: flashlightreviews.ca. Outdoor 100-yard Beamshots 2011. Latest: Thrunite Ti3.
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  22. #22

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    I like the higher output of this light but I still like the EA4 more for some reason.

  23. #23

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Is there a way to quickly access turbo mode without having the cycle through the previous memorized mode? Also whats your feeling about the lanyard placement. My only wish is for the neutral version to come out already...

  24. #24

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Cant remember exactly, if not mistaken double click power button from off will bring you directly toturbo mode. Don't have the light with me now.

  25. #25

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    jamjam is correct.. when the light is off double click the power button rapidly , then the light will enter into turbo. i dont use a lanyard so i cannot comment on that.
    fenix tk41..fenix tk35..nitecore ea4...olight s10 baton...xtar meteor...sipik 68...eagletac d25lc2...eagletac d25a...eagletac d25c ti 2013... a modded tn31..skyray king...nitecore dx.. sunwayman v11r.. + loads of other lights

  26. #26

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by Bumble View Post
    jamjam is correct.. when the light is off double click the power button rapidly , then the light will enter into turbo. i dont use a lanyard so i cannot comment on that.
    There is a lot of complain about the lanyard hole. I think if you use a longer paracord it shouldn't be a problem.

  27. #27
    Flashaholic* kj2's Avatar
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by selfbuilt View Post
    I'm afraid so - the Mode switch (when On) always jumps you to Turbo first, and then cycles down. I presume they did this intentionally, to give people quick access to Turbo from any mode.
    Quote Originally Posted by kj2 View Post
    Maybe I've to check again but, for what I remember, if I have the light on med, then turn it off, turn it back on the light cycles to low and not back to turbo. But I could be wrong, I'll check it later.
    Checked again. My light is in medium, turn it off, turn it back on and then press the mode button, it goes to low (and not first to turbo)
    “Videre Nec Videri”

  28. #28

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by jamjam View Post
    Cant remember exactly, if not mistaken double click power button from off will bring you directly toturbo mode. Don't have the light with me now.
    Yes, double-click the Power switch from Off jumps you to Turbo.

    Quote Originally Posted by kj2 View Post
    Checked again. My light is in medium, turn it off, turn it back on and then press the mode button, it goes to low (and not first to turbo)
    You are right - I've just double-checked as well, and find the same thing. This is strange ... playing around with it, I got it to jump to Turbo once (but not sure of the sequence that did it). The jump to Turob is what I first observed, but it doesn't seem to do it "normally" - the common response is to to simply step down to the next level.

    Hmmm, I'll have to play it with some more to see what I did that brought it bact to Turbo. But in the meantime, I will revise the text to clarify the typical sequence.
    Full list of all my reviews: flashlightreviews.ca. Outdoor 100-yard Beamshots 2011. Latest: Thrunite Ti3.
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  29. #29

    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    Quote Originally Posted by selfbuilt View Post
    Yes, double-click the Power switch from Off jumps you to Turbo.


    You are right - I've just double-checked as well, and find the same thing. This is strange ... playing around with it, I got it to jump to Turbo once (but not sure of the sequence that did it). The jump to Turob is what I first observed, but it doesn't seem to do it "normally" - the common response is to to simply step down to the next level.

    Hmmm, I'll have to play it with some more to see what I did that brought it bact to Turbo. But in the meantime, I will revise the text to clarify the typical sequence.
    Another thing is when you start the light from moon mode by a long press, the first click on mode switch will bring you to low as well. For me this is good, so that I wont get a sudden blast by turbo from moon mode.

  30. #30
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    Default Re: Sunwayman D40A (XM-L2, 4xAA) Review: RUNTIMES, BEAMSHOTS, VIDEO + more

    I'm glad the red led is just a battery indicator and not like on the explorer series lights. I am however a little surprised to see this light receiving 2x more comments than the eagletac is, I would have thought it be other way around with this having the battery carrier and all...


    Selfbuilt ur the man, a review a day!? Impressive.
    Coming soon: Killer light reviews by Cereal_Killer - foursevens burst mode lights. |my lights|

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