Olight ArcPro Review: A Great Light, Not a Stellar One

I always carry a flashlight, or at minimum, I keep one close enough to grab without thinking about it. I’ve also spent real money on lights before, so $100 isn’t a number that scares me off a purchase. But that spending history also means my expectations are high. When you’ve already dropped serious money on flashlights, you’re not easily impressed by a light just because it costs a lot. It has to actually earn it.

Three weeks of carrying the Olight ArcPro, and here’s where I’ve landed: it’s a great light. It’s not a stellar one.

Quick note before we get into it, since I recently ran a roundup of the best flat EDC flashlights: this is not the ArcPro Lite I covered there. The Lite swaps the laser for a dedicated red light mode and trims the size down slightly. This is the full ArcPro, laser and all, and it’s a genuinely different tool.

The Specs

• Modes: White flood, white spot, UV, green laser
• Selector: Rotating switch for flood/spot/UV, separate side button for the laser
• Laser: Two intensity settings, can run simultaneously with either white light mode
• UV: Two intensity settings
• Strobe: Triple-click activation, works on flood mode
• Body: CNC-machined aluminum, hat clip compatible for hands-free use
• Charging: USB-C or Olight’s magnetic charging puck
• Battery life: Heavy daily use for a full week-plus before needing a recharge, in my experience
• Price: $100

Flood vs. Spot: There’s a Real Difference

A lot of dual-beam flashlights treat flood and spot as a minor variation on the same output. That’s not the case here. Flood mode spreads light evenly all around you, genuinely useful for general area lighting, but it doesn’t reach very far.

Switch over to spot and the difference is immediate: it cuts through distance dramatically better, easily lighting up tree lines and terrain well beyond where the flood mode gives out. If you’re comparing the two side by side at any real distance, spot wins by a wide margin every time.

One honest note on turbo: Olight markets it as roughly twice the output of high. In real-world use, it doesn’t feel like a full doubling. There may be a real gap between the lumen rating on paper and how the human eye actually perceives that jump, but don’t go in expecting turbo to look dramatically different from high. It’s brighter, just not “twice as bright” brighter.

Where the UV Mode Actually Earns Its Keep

I’ll be straight with you on this one: I use the UV light on this thing a ton, way more than I expected to. It’s become my go-to for checking AC leaks and coolant leaks around the property. That’s not a scenario the marketing leans on, but it’s exactly the kind of unglamorous, genuinely useful task where a real UV emitter with actual output makes a difference over a weak, single-setting afterthought.

One quirk worth knowing: the flood and spot modes both remember your last brightness setting when you turn the light back on. UV doesn’t. It defaults to low every single time, and you have to hold the button down to bump it to high again. Not a dealbreaker, just an inconsistency in an otherwise thoughtful UI, and one I still haven’t figured out the reasoning behind.

Too Many Modes for What Most People Need

Here’s my honest pushback on the design: this light has a lot going on, flood, spot, UV, laser, strobe, and I think it’s a little much. The laser and strobe in particular are the kind of features that sound good on a spec sheet but rarely earn their keep in actual daily use.

I’m not against having options. I just don’t think every option here is pulling equal weight, and a light with a slightly tighter feature set could be just as good a tool without asking you to remember which direction to rotate a dial and which button does what.

None of that makes it a bad light. It just means the complexity is a real trade-off, not a pure win, and I want to be upfront about that instead of pretending every mode is essential.

Build Quality, Ergonomics, and Everyday Carry

This is a solid block of CNC-machined aluminum, and it feels like it. The lens where the emitters actually sit is recessed into the housing, which means it’s genuinely resistant to scratching from regular pocket carry, no scuffed-up glass after weeks of use.

The power button is aluminum and recessed as well, and I’ve never once had it turn on accidentally in my pocket, which is more than I can say for some other flat lights I’ve carried.

The grip design deserves real credit. There’s etched texture on the sides positioned exactly where your fingertips naturally land, and the body shape settles into your palm in a way that feels genuinely ergonomic rather than just flat and slab-like.

The selector switch has a tight, positive click to it, and after the first few days, I stopped having to think about which position corresponds to which mode.

It’s not the lightest flat light I’ve carried, and if you try to clip this on a hat brim for extended hands-free work, you’ll notice the weight pulling things down slightly, especially if the hat fit is already loose. Battery life has genuinely impressed me.

Three weeks of regular carry and daily use, and I’m still not on my first full recharge. Moonlight mode, accessed by holding the button from off, is dim enough to preserve your night vision, which is exactly what you want if you’re moving around a tent or a dark room without wanting to blast everyone awake.

My one real gripe on the hardware side is the magnetic charging puck. I get why Olight includes it, it’s convenient, no fumbling with a cable in the dark. But I don’t love having a magnet like that floating around in a pocket or a bag.

I’m genuinely cautious about it getting too close to a credit card or one of my watches. Maybe that’s overly careful on my part, but it’s enough of a concern that I default to the USB-C port instead most of the time.

Where It Lands

A flashlight is just a commodity at this point. You need to be genuinely into gear to appreciate what an extra $50 buys you on something like this, and I think for most people, this is overkill. You can score an amazing flashlight in the $50 range these days, and if you just want a reliable light that does the job, that’s where I’d point you first.

But if you’re a gear nut, a flashlight aficionado, someone who actually cares about the difference between a good UV emitter and a weak one, or wants a genuine laser and spot beam combo instead of a gimmick, then by all means, grab one.

The UV performance alone has earned this a permanent spot in my regular carry. Just know what you’re paying for. This is a luxury pick for people who already know they want one, not the smart default recommendation for someone buying their first serious EDC light.