Brinyte PT18 Pro Oathkeeper flashlight review

2000 lm output
32000 cd intensity
1 x 18650 Li-Ion battery

The Brinyte PT18 Pro Oathkeeper flashlight was released in 2020. It uses Cree XHP35 HD LED, SMO reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 2000 lm output, 32000 cd intensity, and a beam distance of 358 m.

Curious to know if this Brinyte flashlight is top-notch? Stay tuned for the answer!

Table of Contents

  • Brinyte PT18 Pro Oathkeeper specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
    • Links
  • Conclusion, pros and cons
  • Photos
  • Comparisons

The content of this article reflects our own experiences and viewpoints. We aim to offer insights on a topic, and we hope others find it helpful and motivating. Additionally, we make every effort to provide accurate and comprehensive coverage.

Brinyte PT18 Pro Oathkeeper / PT18PRO

The PT18 Pro Oathkeeper is an impressive flashlight that offers both power and reliability. This light has 4 modes of lighting. The PT18 Pro Oathkeeper's mode memory makes the user experience more seamless and intuitive. It has a strobe function, which is one of the most effective self defense tools available. The PT18 Pro Oathkeeper may also support other charging methods.

Brinyte PT18 Pro Oathkeeper specifications

NamePT18 Pro Oathkeeper
Rated 4 / 5 based on 1504 user votes.

This flashlight can fit in pockets, backpacks, or glove compartments.

Brinyte PT18 Pro Oathkeeper / 4

Body, materials, weight, colors

Weight170 g
Length164 mm
Body diameter25.4 mm
Head diameter41 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsdesert tan

This 170 g flashlight is slightly heavier than most handheld flashlights. The best flashlight size depends on personal preference. The aluminium body of the PT18 Pro Oathkeeper has a reputation for being durable and strong. The HAIII coating resists corrosion well. This flashlight features a captivating desert tan color.

Brinyte PT18 Pro Oathkeeper / 1

System, LED, lens, reflector

EmitterCree XHP35 HD LED
Color temperature5000 K
Lenstoughtened AR coated glass
Switchelectronic side, dual electronic rear

Cree is a US-based LED manufacturer. It is well-regarded for its high-quality products and innovation in lighting. Color temperature is used to quantify the color appearance of light sources. Flashlights use the smooth reflector when long-range light is important. The AR coating on the lens maximizes light transmission. The PT18 Pro Oathkeeper uses multiple switches. They allow for one-handed operation.

The flashlight has electronic switches. The PT18 Pro Oathkeeper flashlight has a rear switch.

Brinyte PT18 Pro Oathkeeper / 3

Performance, flux, intensity, throw

Flux2000 lm
Intensity32000 cd
Throw358 m
CD/LM factor16

The 2000 lm output of PT18 Pro Oathkeeper provides great flexibility. The PT18 Pro Oathkeeper flashlight has 32000 cd, it can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. The cd/lm factor is the candela-to-lumen ratio. It shows how concentrated a light source's output is.

Brinyte PT18 Pro Oathkeeper / 2

Software, user interface, modes

Modes4 modes
Mode memoryyes
Ramping modeno

A flashlight's modes are different output settings or brightness levels. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. Strobe mode on PT18 Pro Oathkeeper flashlight produces a rapid, repeated flashing of light. The SOS signal is commonly used in outdoor adventures or survival scenarios.

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portmagnetic USB
Thermal regulationyes

The Brinyte PT18 Pro Oathkeeper flashlight is powered by 1 x 18650 Li-Ion battery. The battery indicator shows the remaining power level of the flashlight's battery. The PT18 Pro Oathkeeper flashlight can charge from a USB power source. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating. The "6" in the IP68 rating shows the level of protection. The flashlight has an IP68 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Accessories, package contents

Package contents18650 battery
magnetic USB charger cable
nylon holster
tactical ring

Getting a flashlight with an included battery saves you time. The flashlight package is thoughtful, it has a holster. Attaching a lanyard to your PT18 Pro Oathkeeper flashlight provides an additional layer of security.

Official sitehttps://www.brinyte.com/

Conclusion, pros and cons

This Brinyte flashlight, like any other, has its strengths and weaknesses. Let's take a close look at both sides to understand this flashlight better. I share my thoughts on its standout features and the parts that might need improvement. Keep in mind, these are just my opinions, and you might have a different perspective.


  • lightweight
  • aluminium body
  • warm light
  • AR coated lens
  • side switch
  • tactical switch
  • adequate performance
  • super bright
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof
  • battery included
  • protective holster


  • no auxiliary LEDs
  • non-magnetic


Brinyte PT18 Pro Oathkeeper / PT18PRO photo 1.
Brinyte PT18 Pro Oathkeeper / PT18PRO photo 2.
Brinyte PT18 Pro Oathkeeper / PT18PRO photo 3.
Brinyte PT18 Pro Oathkeeper / PT18PRO photo 4.
Brinyte PT18 Pro Oathkeeper / PT18PRO photo 5.
Brinyte PT18 Pro Oathkeeper / PT18PRO


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Updated: April 23, 2024

David Hagon
I love bushcraft and flashlights. I find joy in mastering wilderness survival skills and exploring the realm of illuminating gadgets. Bushcraft isn't just fun, it's a learning journey. I form a strong bond with nature. It's more than a hobby, it enriches me in practical and spiritual ways.