Wuben X2 copper

1lumen selects and reviews products personally. We may earn affiliate commissions through our links, which help support our testing.

Wuben X2 copper review

Wuben X2 specifications

Flashlight categoryEDC / all-around
LED3*Samsung LH351D
Max. output1,800 Lumens
Max. beam distance128 meters
Max. beam intensity4,100 cd
Battery config.Battery pack with 2,000mAh (2*14500)
Onboard chargingUSB-C
BlinkiesStrobe, SOS
Review dateApril 2023

Review intro:

At 1Lumen we already reviews the aluminum version of the Wuben X2, but this is the copper version, which is likely to perform differently, even though it has the same specifications. Copper can dissipate heat much better than aluminum.

Wuben has been around for quite some time, but they hadn’t been very active in the flashlight communities until recently.

And that’s because of the Wuben A1 Nick reviewed a while ago. A very big, heavy, and powerful flashlight, with 4 high-power SBT90.2 LEDs.. Hard to beat!

Anyway, I’m digressing. Here we have the X-2, a small, portable flashlight with a battery pack and triple LED.

Package quality.

The packaging is pretty exclusive and nice. You get the following in a nice special box:

  • The flashlights: Wuben X-2 Cu
  • Manual
  • USB-C charging cord (and lanyard in 1)
  • Red diffuser

Before your first use

For safety reasons, Wuben ships their lights locked. So, before using your Wuben X2, you have to deactivate the electronic lockout mode, by doing 4 fast clicks. Do these clicks as fast as possible. Once the flashlight is unlocked you can start using it.

Beware: we recommend locking the flashlight when carrying it. You activate the electronic lockout mode with 4 fast clicks when the light is turned off. (It won’t work when the light is turned on)

Flashlight in use

The shape of all the Wuben-X models are unique, and just like the X-0, the X2 copper has a rectangular-shaped body. All the edges are slightly chamfered, but that doesn’t take away that the flashlight can still feel a bit ‘sharp’.

With a flat flashlight like this, I’m not 100% sure what is the most comfortable way to hold it. There are other flat flashlights out there where you would put your thumb on the narrow part of the flashlight. Kind of like the way you would hold a Fenix TK35.

But the X-2 has the switch on the wider side of the body. It’s located near the front of the flashlight underneath a piece of metal (I think it’s actually titanium on this version). This piece can be on the top and is covered by a titanium plate that works like a lever. It sits on top of the switch, so you can press that lever to manipulate the switch.

And unlike the normal version, the switch is actually silent, so there is no click sound.

You can open the lever to get access to the actual switch (and therefore the battery LED indicator) and the USB port. The indicator LED can also be seen with the lever pressed down, but it’s right on the edge.

Carrying this is definitely a little different, and you will need to get used to it. If you want to use or carry it for a couple of hours, you can use the included lanyard. But you can also clip it to your belt (or pants) with the strong pocket clip that was already attached. Keep in mind that he pocket clip is different from the aluminum version and extremely stiff.

Tip for Wuben: please also make 2 attachment holes for the clip toward the front of the flashlight. That way, the user can decide whether they want to carry it pointed downward or upward.

You don’t need to worry that it might roll off a slanted surface, and you can also make it tailstand.

Even though they are not included, you can add several glow tubes to the Wuben X-2. There are many (large) slots on different parts of the flashlight.

Wuben added a diffuser to the copper X2, but it’s red :–) I think a white diffuser would be better. I don’t really know why they made a red one.

Build Quality and Warranty

One thing that I have to give Wuben credit for is the build quality. It looks and feels really good and robust.

The copper looks fantastic, especially with the titanium tailcap and bezel. Keep in mind that once you take it out of the packaging, it will discolor soon

Besides this version, they also have a normal aluminum version with different colors, as well as Titanium.

It lacks any kind of traditional knurling, and that’s totally fair for this kind of flashlight. I don’t think you will easily drop it because of the shape, but the top part does feel a bit slippery.

Everything on this light is screwed down (not glued), so you get maximum waterproof. You don’t need to worry about cross-threading. You can unscrew the rear end, but you can’t remove the battery pack. They seem to be connected to the driver (with wires) I suppose. I tried to pull them out but felt some resistance, and didn’t want to break anything.


30 days money back guarantee: Within 30 days from the date of purchase, if the product has quality problems, customers can request full refund.

30 days replacement: Within 30 days from the date of purchase, if the product has quality problems, customers can request free replacement.

1 year warranty: Within 1 year from the date of purchase, if the product has quality problems, WUBEN will offer free repair.

Battery warranty: WUBEN offers a 1-year warranty for the rechargeable batteries but other included accessories are not covered by the warranty.

5 Years product warranty: Within 5 years from the date of purchase, if the product(for battery-removable flashlights, accessories excluded) has quality problems, WUBEN will offer free repair for WUBEN registered customers(Support-Product registration).

Lifetime maintenance: From the date of purchase, if the product has problem after 1 year, WUBEN will offer paid repair for WUBEN registered customers.

LED, Lens, Bezel, Beam, and Reflector

At this point in time, Wuben offers the X-2 with 2 types of LEDs. 1 is Osram P9, and the other is Samsung LH351D. The Osram is rated at 2,500 lumens, and the Samsung at 1,800 lumens (the one I am testing).

There are 3 LEDs that are positioned inline, centered inside a triple-orange-peel reflector.

The lens has a purple A-R coating.

But even with the LOP reflector, you can still see artifacts in the beam at close distance. Even at larger distances (10+ meters) you can notice them when moving the beam. They aren’t that dramatic, but I’m just sharing this to give you a better understanding.

To measure the color temperature of the beam, and CRI values, I used the following Spectrometer: Asensetek Lighting Passport Standard Pro

Here’s what I got when measuring at 5 meters distance in Turbo mode:

  • CCT: 4851K
  • CRI Ra: 92
  • DUV: 0.0074

You can see the spectrometer details below. I removed all the other screenshots that nobody talks about anyway. So here’s what I got to keep it simple and straightforward.

The included red diffuser blocks a lot of light.

Dimensions and its competition


Wuben X2 CuMillimetersInches
Length85 mm3.3 in
Body thickness20mm0.8 in
Body diameter35mm1.4 in

Dimensions are rounded to the nearest millimeter, and to the nearest tenth of an Inch.


Wuben X2 cuWeight in gramsWeight in oz.
Wuben X2 Cu flashlight:245 g8.64oz

That’s about double the weight of the aluminum version, which weighs 123 g.

Weight is rounded to the nearest gram, and to the nearest tenth of an Oz.

Wuben X2 Flashlight comparison

Group 1: Copper vs Aluminum Wuben X2

Size compared to other EDC flashlights

From left to right: Fenix E-spark, Nitecore EDC27, Wuben X0, Wuben X2, Wuben X2 Cu, Wuben X1, Olight Arkfeld Ti

Wuben X2 UI : User interface and driver

Available main modes:

  • Low, Medium, High, Turbo

Available special modes (blinkies):

  • Strobe,SOS

From OFF:

  • Single-click: to last used mode, (mode memory)
  • Double click: Turbo
  • Triple-click: Strobe (and single click will make it turn off again)
  • Press and hold: Low
  • 4 clicks: lockout

From ON:

  • Single-click: off
  • Double click: Turbo, and repeat to return to previously used mode
  • Triple-click: Strobe, another triple click for SOS (a single click returns to previously used mode)
  • Press and hold: run through the menu from low to high (no Turbo)


  • To Turbo: double click from on/off
  • To Low: long-press from off
  • To Strobe: triple-click from on/off

Mode memory:

  • Yes, but strobe and turbo are not memorized. Don’t need, because they can be activated with the shortcuts.

Blinky modes menu:

  • There are 2, strobe and SOS. Blinkies can be activated with 3 clicks.. and another 3 clicks to switch between them. While in blinky mode, a single click will return to the last used mode, and a double click will go to Turbo.

Low battery warning:

  • The battery level indicator will show the status.

Lock-out mode:

  • You can activate and deactivate the lockout mode by 4 clicks from off


  • Not visible!

Programmable modes:

  1. Go to the mode you want to change
  2. Do 2 clicks, but keep pressing with the second click… so don’t let the switch go.

How to do the Factory Reset

Factory reset:

  1. Enter the lockout mode by doing 4 clicks when the flashlight is off
  2. Once the lockout mode is activated, do the following 3 types of clicks in a sequence with only a 0.5 sec rest in between them. 1 clicks… short wait… 2 clicks… short wait… 3 clicks…
  3. When this is done correctly, the light will turn on in Low.

Firmware / UI Conclusion:

The UI is probably perfect for this light. Easy to understand shortcuts to Low, Turbo and Strobe. And memory for last used mode. This is quite basic, but a very useful UI that has proven to be very effective. The programmable mode is also pretty cool!

Wuben X2 Copper Charging and batteries

When I started the review I didn’t know what batteries were used inside. All I knew is that they weren’t supposed to be removed. After I finished testing the aluminum X2, I opened up the rear end, to have a look inside. Unlike the X0, the X2 doesn’t have removable batteries. They are 14500’s according to Wuben, but they are wrapped together, and connected with wires to the driver. I couldn’t take them out.

They are also protected by a silicone/rubber o-ring.

Charging is done internally through the USB-C port. It can be charged with USB-A to USB-C cable, as well as USB-C to USB-C.

The USB cable that was provided is a bit too thick, so it looks like damaging your normal USB A ports. Be careful !

The charge current is about 1Amp, and charging took 2 hours and 42 minutes

During charging, the indicator LED is red, and turns blue when finished. For people who are colorblind, blue is better than green. So this is a smart idea from Wuben.

Performance test

This is the gear I used for testing:

GearPurposeLink to buy
Hagner E4-XMeasuring beam intensity (throw)Inquire at Hagner.se
Extech SDL400Lumens and logging runtimesAmazon.com, Amazon.co.uk,
Leica Disto D2Distance for throw measurementsAmazon.com, Amazon.co.uk,
Asensetek Lighting Passport Pro StandardSpectrometer for LED measurements

Lumen measurements:

The output measurements in this review are based on my homemade integrating spheres, each equipped with an Extech SDL400 Lux Meter. For consistency and accuracy, a calibration light (Convoy S2+ with 249lm and a Convoy S2+ with 261lm) is measured prior to each set of lumen measurements.
For high-output lights, one of the lux meters uses an ND camera filter to prevent the lux meter to max out. This is either the Kenko PRO1D ND16 up till about 80,000 lumens or Gobe ND32 for anything above.

All of my readings were taken from a fully-charged flashlight

The measurements were taken manually at turn on and 30 seconds. The 10 minute numbers are taken from the runtime graph.

ModeSpecsMeasured at start30 sec10 minutes
Low55 lm5 lm
Med10084 lm84 lm84 lm
High400333 lm332 lm329 lm
Turbo1800 lm1772 lm1754 lm641 lm

I try to use rounded lumen numbers, except for maybe Low or Moonlight/Firefly modes.

Wuben X2 Copper battery life and runtime

The runtime test was done with the 50cm home made integrating sphere, combined with the Extech SDL400 data logging Lux Meter.

I didn’t test Low mode, because of the long runtime duration,.

ModeSpecifiedMeasured runtime (ANSI FL1)Time till shut off
Med10h12h 15min12h 15min
High2h 30min3h 02min3h 02min
Turbo1h 1min1h 21min1h 21min

So they easily met the claimed runtime specs!

About ANSI FL1 standards: The runtime is measured until the light drops to 10% of its initial output (30 seconds after turning on). This does not mean that the flashlight is not usable anymore. The last column shows how long the light actually works till it shuts off. If there is a + symbol, it means that the test was stopped at that particular point, but the light was actually still running. This happens on certain occasions, with certain drivers, firmware, or batteries.

I then also compared the Copper vs Aluminum Wuben X2

You can see in the following runtime graph that they perform very close, with the copper version running just a tad longer. I only compared Turbo and high mode.

Wuben X2 copper peak beam intensity and beam distance measurements

Measurements were taken indoors with a Hagner E4-X Lux Meter.

ModeSpecsCandelas measuredMetersYards
Turbo4,100cd6,025 cd155170

It also beats the throw specs by a fair margin.

About peak beam intensity: Peak beam distance according to ANSI FL1 standards: The calculated value of distance in meters at which the flashlight produces a light intensity of 0.25 lux. (0.25 lux is about the brightness of a full moon shining on an object). The columns ‘Meters’ and ‘Yards’ use rounded numbers.


For the following beamshots, I used a Canon EOS 5D Mk2 with a 50mm lens. Manual settings: ISO1600, 1/4sec, F4, 5000K

The shed is about 65 meters / 71 yards away, and the reflective fence about 200 meters.

Compared to the following flashlights:

  • Wuben X2 copper
  • Olight Arkfeld Ti
  • Acebeam E70 Mini
  • Jetbeam DM25
  • Olight Perun Mini

You can see that the beam doesn’t reach far, and that it’s pretty wide, compared to other flashlights.

Disclaimer: This flashlight was sent to me for review at no cost by Wuben. I have not been paid to review, nor have I been holding back on problems or defects.

Final Verdict


  1. Easy and effective UI
  2. Plenty bright for EDC
  3. Quick access to Low and Turbo
  4. Built in USB-charging
  5. The X2 is available in different colors and materials
  6. Copper looks really nice, and you can make it as shiny as you want
  7. Beat the runtime specs


  1. Included USB cable is too thick to fit inside a USB port smoothly
  2. Edges can feel a little sharp
  3. Batteries are built in, which can be a pro as well.
  4. Pocket clip is too stiff, but looks good
  5. Of course a bit heavy for EDC

Explanation on star ratings:

1: Avoid: my phone flashlight would be a better choice – 2: Poor: significant defect or issues; almost unusable – 3: Average: some defects or issues; but still usable 4: Good: recommended (minor issues) – 5: Great: highly recommended

Reviewer Marco
Author: Marco

4.5 stars: ★★★★★⋆

Since I already reviewed the aluminum version of the X-2, I was very interested in the performance of the copper version. Copper dissapates heat much better which could be a pro for sustained brightness. Unfortunately, this was not the case, and it performed very closely to the aluminum X2.

If you don’t mind the rectangular shape, and enjoy copper (and titanium), including its weight, the Wuben X2 is a pretty nice flashlight for EDC.

Buy your Wuben X2 with a discount

If you buy directly from Wuben, make sure you use our exclusive discount code. Add coupon code 1Lumen20 at checkout to get 20% off.

1lumen selects and reviews products personally. We may earn affiliate commissions through our links, which help support our testing.