Power outages. Roadside breakdowns. Camping overnight. Late-night hikes. In many situations, a flashlight moves from convenient to essential. But who wants to carry a bulky torch everywhere?
I keep a full-size flashlight in my car, but I rarely remember it when I need it. And I’m not about to toss a large light into my everyday bag every time I head out. That’s why a compact, powerful flashlight that I can carry without thinking about it is so valuable. A phone’s flashlight helps in a pinch, but it doesn’t match the reach, brightness, or versatility of a purpose-built light.
The Olight ArkPro Ultra fills that niche. It delivers significant brightness without the bulk of a traditional flashlight. Its slim, flat profile is smaller than many remotes, and a built-in clip lets you attach it to a pocket, belt, or backpack strap without adding noticeable bulk.
Take It Anywhere
Measuring just 4.88 x 1.06 x 0.63 inches, the ArkPro Ultra is shorter than five inches and much slimmer than most phones. It slides into a front pocket or clips on without digging in when you sit. Its compact size also makes it a natural fit for a small hiking pack, running vest, or everyday sling bag where space is limited. Pack it and forget it until you need it.
If you expect to use it for extended periods on a multi-day trip, consider carrying a small portable power bank to recharge on the go. For typical evening outings, commuting, or emergency use, the onboard rechargeable battery is more than adequate.
Durability
The ArkPro Ultra’s body is constructed from Olight’s O-aluminum alloy, designed to be tougher and more scratch-resistant than standard aluminum. That means you can toss it in a pocket with keys or clip it to a pack without worrying about cosmetic damage. It also resists dents and impacts better than conventional aluminum, so it stands up to camping, hiking, and everyday wear.
Dual-Way Clip
The dual-way pocket clip makes carrying effortless. Clip it to a pocket, belt, backpack strap, or running vest to keep your hands free while maintaining a secure attachment that doesn’t interfere with movement.
Rain Ready
With an IPX7 waterproof rating, the ArkPro Ultra handles rain, snow, and brief immersion in shallow water. You can rinse it after a muddy hike without worry. It’s not intended for swimming or diving, but it will survive accidental drops into water and heavy rain.
Magnetic Base and Dual Charging
The magnetic base serves two uses: it holds the light to metal surfaces for hands-free illumination and secures the included magnetic USB charger. The charger snaps into place, keeping the flashlight stable while charging.
If you can’t find the magnetic charger, there’s also a USB-C port on the side for charging from a car adapter, laptop, portable battery, or other common power source. Being rechargeable removes the need to keep spare batteries on hand.
More Than a Flashlight
The ArkPro Ultra cycles easily between floodlight, spotlight, blacklight (UV), and a green laser. A ring around the main button selects functions, and a long press adjusts brightness. There are multiple brightness settings for white light and specific modes for the UV and green laser. Triple-pressing the center button activates a strobe mode that can attract attention in an emergency.
The built-in UV light is especially useful for tasks beyond simple illumination: locating pet stains, checking fluorescent fishing line, revealing reflective trail markers at night, or spotting small leaks. The green laser provides a precise pointer for signaling or indicating a distant object.
The Best EDC Flashlight I’ve Tested
The Olight ArkPro Ultra is one of the most capable and well-designed everyday carry (EDC) lights I’ve used relative to its compact size. Whether you’re building an emergency kit, trail running at dawn or dusk, hiking after sunset, fishing, working on inspection tasks, or just trying to reduce the bulk of your daily kit, this light performs without adding weight or volume.
A phone flashlight is fine in a pinch, but it can’t match beam distance, brightness control, or versatility. Being able to clearly light a trail, read distant signs, or use a powerful strobe to signal for help matters. Clip it to a fishing vest to spot fluorescent line, drop it into a purse or bag for nighttime peace of mind, or keep one in your vehicle so it’s always available.
Olight ArkPro Ultra vs. Nitecore EDC37
If you’re comparing premium flat-profile EDC lights, the Nitecore EDC37 is a common alternative. The ArkPro Ultra prioritizes compactness, weight savings, and extra features. It’s slimmer and lighter—making it easier to carry in a pocket or clipped to gear. It also includes a UV light and green laser, and has an IPX7 waterproof rating, compared with the EDC37’s more limited water resistance.
The Nitecore, in contrast, emphasizes maximum output and beam distance. That higher output can be useful for search tasks but comes with greater heat and reduced runtime. For most everyday uses—night hikes, campsite navigation, backyard tasks, and roadside emergencies—the ArkPro Ultra’s balance of brightness, portability, and battery life is a practical choice. If absolute maximum lumen output and throw are your top priorities, the EDC37 may be the better pick.
Where to Buy
You can purchase the Olight ArkPro Ultra directly from the manufacturer or through major retailers. The ArkPro Ultra is widely available through online stores, typically priced around $130.