A black rectangular Olight flashlight with a blue circular button and light mode icons on the left side, resting on a wooden surface. The Olight logo is visible, and a ZeroAir watermark is in the bottom left corner.

Olight ArkPro Lite Flashlight Review

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Olight ArkPro Lite Flashlight Review

New from Olight is the Olight ArkPro Lite flashlight, a flat light with white, red, and UV all in one light! It’s the smallest ArkPro, but it has USB-C charging!

Official Specs and Features

Here’s a referral link to the Olight ArkPro Lite flashlight product page.

Versions

Of the Olight ArkPro Lite specifically, it looks like there are two body options. There’s black, and black! But one of those has a special “Year of the Horse 2026” engraving along the front. All the Olight ArkPro Lite flashlights are cool white.

There are also two other ArkPro variants: ArkPro and ArkPro Ultra.

Price

MSRP for the Olight ArkPro Lite flashlight is $79.99. That’s also the going price, since the introductory price period has finished.

What’s Included

A black Olight device, a USB charging cable, and a printed specification sheet are arranged on a wooden surface. The Olight logo is visible on the device and the paper. The ZeroAir watermark is in the bottom left corner.

  • Olight ArkPro Lite flashlight
  • Charging base
  • Manual

Package and Manual

A rectangular white box with an image of an Olight flashlight on the front sits on a wooden surface. The text above the image reads, “Rethink Light. Reimagine Style.” A ZeroAir logo is visible in the lower left corner.

A white box labeled ArkPro Lite Flashlight with a QR code on the left side sits on a wooden surface. The ZeroAir logo is visible in the bottom left corner of the image.

Note that this manual is for all three versions of the ArkPro, and I do not like that. I found the manual quite hard to follow! But I’m sure a ton of work was put into it (that’s the only way it could be so confusing).

Olight ArkPro Orange flashlight manual

Here’s one little point about the confusion. The image below implies to me that a light might have all three options. But that’s not the case. Only some of the ArkPro versions have some of these three options.

Olight ArkPro Orange flashlight manual small detail

All of the ArkPros I have gotten for review have these three stickers or covers that have to be removed before the first use. In fact, you also need to ping the light on a charging base (such as the one included) to activate the light. I am not sure you can get the light to reenter this “activation needed” state, but it’d be neat!

A close-up of a hand holding a device with a labeled control panel showing options for UV, white, and red light, and a central button labeled Center Button with an instruction to Rotate the Selector.

A hand holding an Olight device with a yellow label reading Charge to activate before first use on the bottom. A ZeroAir logo is visible in the bottom left corner.

Build Quality and Disassembly

A black rectangular Olight flashlight with a blue circular button and light mode icons on the left side, resting on a wooden surface. The Olight logo is visible, and a ZeroAir watermark is in the bottom left corner.

I didn’t disassemble the Olight ArkPro Lite flashlight at all. The build quality is very solid. Olight promotes this as a unibody construction, with only the back plate, where the pocket clip attaches, coming off.

You’ll probably note that this review is a lot like the ArkPro Orange and ArkPro Silver. Much of the text is the same, but the Lite is the most different among the ArkPro series. It’s smaller and also has a different emitter setup. (It’s probably my favorite one, too.)

Of course, there’s no cylindrical cell in there to rattle around or be removed, or whatever. The cell is 100% built-in. That’s good and bad, of course. Building the cell in means Olight can get reliable performance, but it also means you can’t change the cell when it wears out in a number of years.

A close-up view of a black device with the text ArkPro Lite on it, standing upright. In the lower left corner, there is a semi-transparent ZeroAir logo. The background is blurred.

Whatever the case may be with the battery, the build here is great. I love the anti-roll shape. Not only that, but the Olight ArkPro Lite flashlight fits into the pocket where I normally carry an 18650 light in a much more comfortable way.

I have already disassembled an Arkfeld, and I did not do so for the Olight ArkPro Lite flashlight version. You’re invited to check out the photos from that review, though. Here’s a link. (Note: I didn’t get too far with disassembly.)

Size and Comps

The Olight ArkPro Lite flashlight is 111mm x 27mm x 16mm and 105g. That’s around 13mm shorter and 10g lighter than the bigger ArkPros.

Here’s the light in hand:

A hand holds a rectangular black Olight device with a blue circular button and labeled light settings. The device is photographed indoors with a blurred brown background and a ZeroAir logo in the corner.

Here’s the test light with the venerable Convoy S2+. The version below is a custom laser-engraved Convoy S2+ host by GadgetConnections.com. I did a full post on an engraved orange host right here! Or go straight to GadgetConnections.com to buy your Convoy S2+ now!

Also in the photo above, my Standard Reference Material (SRM) flashlight is the Hanko Machine Works Trident, an 18350 light. While I have not reviewed or tested the Gunner Grip version seen here, I have tested a Hanko Machine Works Trident Total Tesseract in brass. I love the Trident, and it’s a striking contrast to the inexpensive Convoy S2+, another great SRM.

Below you can see the Olight ArkPro Lite flashlight beside the ArkPro Ultra. Notable is the size (height only!) difference as well as the emitter differences.

Below you can see a couple of ArkPros and one ArkPro Ultra, along with a couple of the older Arkfeld versions. I included this one from an old review so you can see how the ArkPro Ultra (pictured above) stacks up against other lights (and thus compare the Olight ArkPro Lite flashlight).

Olight ArkPro Matte Black cool white with other Ark lights

Retention and Carry

The Olight ArkPro Lite flashlight has a two-way pocket clip, which is so much better than some earlier edition Arkfeld-type lights. This clip allows great deep carry and has a two-way option. I don’t care at all about the two-way, but I love the deeper carry.

A close-up of a black rectangular object with a metal pocket clip, held between a person’s thumb and a wooden surface. The word “ZEROAIR” is visible on a badge in the bottom left corner.

Interestingly, the Olight ArkPro Lite flashlight does not have a lanyard hole in the pocket clip like some previous Arkfelds.

Close-up of the back of a black electronic device with two screws, a belt clip, CE marking, and a QR code. A blurred background and a ZeroAir logo are visible in the lower left corner.

There’s a magnet in the tail because that’s the way the charger connects. It’s also strong enough to hold the ArkPro Lite.

Power and Runtime

Olight states this as a 1350mAh battery, and that’s perfectly logical for the size. I was unable to gain any access to the LiPO, but I did run a couple of output tests. There is a battery indicator surrounding the switch, and it indicates when the voltage is low. The light finally shuts off, too.

A line graph displays the runtimes and brightness (lumens) for four modes—Turbo, High, Medium, and Low—of the Olight ArkPro Lite flashlight using a 1350mAh LiPo battery over time in minutes.

A line graph shows the Olight ArkPro Lite flashlights light output (lumens) over time on turbo mode with a 1350mAh LiPO battery. Light levels drop steeply from 1031 to 100 lumens within minutes, with distances and times noted.

A runtime graph shows a white LED flashlight’s output in lumens over time with a 1350mAh LiPO battery. The graph notes output at 55m to 23m, total time of 287min, temperature, and a Zeroair logo at the top right.

A line graph shows the Olight ArkPro Lite flashlights medium runtime using a 1350mAh LiPo battery. Lumens gradually decrease over 14+ hours. Inset chart tracks output for the first 10 minutes. ZeroAir logo appears at the center.

The temperature lines in these charts are included as general context, not precise measurements. The values represent the range (min to max) during testing, but should not be taken as exact readings. A temperature sensor is not always attached to the bezel (or even the hottest spot, assuming that could be defined). Even with ideal placement, too many variables affect temperature to definitively state a specific max value.

Charging

The Olight ArkPro Lite flashlight offers USB-C charging! The charge port is covered by the same type of cover we have seen recently on some of the Oclip lights (for example, the Oclip Pro).

The cover feels metal, and I would guess that the charge port is waterproof, as the hinged door doesn’t have any gaskets.

A black rectangular flashlight with a blue button and a small USB charging port flap open, resting on a wooden surface. The flashlight is branded with Olight. The ZeroAir logo is in the bottom left corner.

A close-up of a black electronic device with diagonal grooves, featuring a USB-C charging port. A hand holds the device, which rests on a wooden surface. A “ZeroAir” logo is in the lower left corner.

A second option is available for charging, too! Olight includes this proprietary MCC charger.

A Geiger counter with a round sensor is shown on a wooden surface. A USB charging cable with a blue connector is coiled and secured with a white paper band. The ZeroAir logo is visible in the lower left corner.

That works just fine too, but with USB-C as an option now, I don’t anticipate using this charging base!

A rectangular black Olight flashlight with a circular blue button is placed on a wooden surface. A black USB charging cable with a blue tip is coiled next to it. A ZeroAir logo is in the bottom left corner.

I only tested charging with USB-C. USB-C charging works great with A to C and C to C both. Charging completes in about 1.5 hours.

Line graph showing current (A) and capacity (Ah) over time (minutes) for charging a 1350mAh LiPo battery. Multiple curves show charging cycles; current peaks early then drops, while capacity rises steadily then levels off.

Modes

Mode Mode Claimed Output (lm) Claimed Runtime Measured Lumens
Turbo 1200-350 4m+134m 1028 (0s)
1014 (30s)
High 350-60 155m+30m 287
Med 60 16h 51
Low 15 54h 12.4
Moonlight 1 10d 1.44
High – Red 40 5h30m –
Low – Red 5 39h –
High – UV 1000mW-450mW 5m+280m –
Low – UV 360mW 6h –
Moonlight  – Spot 1 14d –

Pulse Width Modulation

Nothing really to mention here. None of the modes seems to be using PWM.

 

Click here to see a “baseline” – a chart with almost no light hitting the sensor.

Then there’s the Ultrafire WF-602C flashlight, which has some of the worst PWM I’ve seen. It’s so bad that I used a post about it to explain PWM! Here are multiple timescales (10ms, 5ms, 2ms, 1ms, 0.5ms, 0.2ms) to make comparing this “worst” PWM light to the test light easier. That post also explains why I didn’t test the WF-602C at the usual 50us scale.

User Interface and Operation

The Olight ArkPro Lite flashlight has two switches! Surrounding that e-switch is a selector knob of sorts, which points to either ultraviolet, white LED output, or red output.

A close-up of a black electronic device with a central blue and green illuminated button. Above the button are three icons labeled UV, headlight, and a circular arrow. The ZeroAir logo is in the bottom left corner.

One big and fantastic update is the indicators, seen above. They’re in a ring between the rotary and the e-switch. The left side indicates the output level, while the green right side indicates the charge status. Olight promotes these as “laser-microperforated, color-coded indicators.”

A hand holds a black Olight remote control with a blue button and three labeled icons above it, resting on a wooden surface. The ZeroAir logo appears in the bottom left corner.

They say the LED e-switch is great for thumb use, and I am inclined to agree. There’s a nicely sized pad area for my thumb to rest. The concave around the rotary helps with this, too. Despite the text, below, I’m using my index thumb to actuate the switch. It’s fully depressed here, just like I must be to invent a term like “index thumb” to go along with a photo that doesn’t match Olight’s promotional material!

A close-up of a hand holding a slim, black rectangular object, with the thumb pressing a button on the side. The background is blurred, and a ZeroAir logo is visible in the bottom left corner.

This only applies when the selector is in the LED position. The user interface is generally the same as the user interface for the ArkPro and ArkPro Ultra.

State Action Result
Off Click On (mode memory)^
On Hold (release at desired mode) Mode cycle (L, M, H) (no Moon or Turbo)
Off Hold Moonlight
Any Double click Turbo
Any Triple click Strobe
Strobe Click Off
Strobe Hold Previous Mode (or Moonlight, if strobe from off)
Off Long hold (past Moonlight) Lockout (indicated by a lock icon near the battery indicator)^
Lockout Hold Unlock to Moonlight
On Click then Click and Hold (quickly)^^ Timer (Single blink: 3 minutes, Double blink: 9 minutes)
Timer Click then Click and Hold (quickly)^^ Switch between 3- and 9-minute timers.
UV selected – Off Click UV on low
UV on Hold Iterate between UV high and low
UV on Click Off

^ Moon, Low, Medium, and High are memorized. Turbo is memorized as High.
^^ The manual doesn’t mention the timers as far as I can see.

LED and Beam

Some of the new ArkPros use Olights new emitter, but I’m not sure the Olight ArkPro Lite flashlight does. I’m not totally sure it matters, since we can see the CRI and CCT in the next section. These emitters have the best type of optic for their purpose. The white LED emitter has a shallow TIR, and the UV emitter has a deep, smooth reflector, and the dual red reflectors have very small TIRs.

A small flashlight shown from above, displaying its two LED bulbs, is positioned in front of a two-dollar bill on a wooden surface. A ZeroAir logo appears in the bottom left corner.

LED Color Report (CRI and CCT)

The CCT for either emitter is cool white (around 6000-6400K). The CRI is also low.

CCT (Correlated Color Temperature) refers to the measurement of the color appearance of light, expressed in Kelvins (K), which indicates whether the light is warm (yellowish) or cool (bluish). A lower CCT (below 3000K) is considered warm light, while a higher CCT (above 5000K) gives cooler, bluish light.

CRI (Color Rendering Index) is a measure of how accurately a light source renders colors in comparison to natural sunlight. Scored on a scale from 0 to 100, higher CRI values indicate that colors appear more true to life and vibrant, similar to how they would look under the sun.

Beamshots

These beamshots always have the following settings:  f8, ISO100, 0.3s shutter, and manual 5000K exposure. These photos are taken at floor level, and the beam hits the ceiling around 9 feet away. The last row is UV.

Tint vs BLF-348 (KillzoneFlashlights.com 219b version) (affiliate link)

I keep the test flashlight on the left and the BLF-348 reference flashlight on the right. These photos are taken around 18 inches from the door.

I compare everything to the KillzoneFlashlights.com 219b BLF-348 because it’s inexpensive and has the best tint!

Summary and Conclusion

I didn’t know I needed another in the Ark series, but the Olight ArkPro Lite flashlight is a great light. Olight continues to build on Ark’s success and even improves the lights that were already great! I think the Olight ArkPro Lite flashlight could be the best option of the bunch because I like the shorter size, but a different combination of emitters would suit me much more in this size. For example, a laser in place of the UV. Or the flood/throw combo in place of UV. Or a High CRI flood channel in place of the UV (essentially anything in place of the UV, since I don’t like UV at all.) But for size and performance, and also considering price, I like the ArkPro Lite a lot!

The Big Table

Olight ArkPro Lite flashlight
Emitter: Unstated white LED ((UV and Red also))
Price in USD at publication time: $79.99
Cell: Internal
Runtime Graphs
LVP? Almost certainly
Switch Type: E-Switch and selector
On-Board Charging? Yes
Charge Port Type: USB-C and proprietary magnetic
Charge Graph
Power off Charge Port All modes except LED turbo
Claimed Lumens (lm) 1200
Measured Lumens (at 30s) 1014 (84.5% of claim)^
Candela per Lumen 2.6
Claimed Throw (m) 94
Candela (Calculated) in cd (at 30s) 132lux @ 4.708m = 2926cd
Throw (Calculated) (m) 108.2 (115.1% of claim)^
Claimed CCT (UV and Red also) –
Measured CCT Range (K) (UV and Red also) 6000-6400 Kelvin
Item provided for review by: Olight
All my Olight reviews!

^ Measurement disclaimer:  Testing flashlights is my hobby. I use hobbyist-level equipment for testing, including some I made myself. Try not to get buried in the details of manufacturer specifications versus measurements recorded here; A certain amount of difference (say, 10 or 15%) is perfectly reasonable.

What I like

  • USB-C charging
  • Smaller size than other ArkPros
  • Little LED icons around the switch
  • Red channel is a bonus!

What I don’t like

  • Built-in battery
  • High CCT
  • Low CRI

Notes

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