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Brinyte PT28 Oathkeeper flashlight review

Cree XHP35 HD LED
1600 lm output
15200 cd intensity
1 x 18650 Li-Ion battery

The Brinyte PT28 Oathkeeper flashlight was released in 2019. It uses Cree XHP35 HD LED, SMO reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 1600 lm output, 15200 cd intensity, and a beam distance of 247 m.

Interested to see if this Brinyte flashlight is a hit? Find out soon!

Table of Contents

  • Brinyte PT28 Oathkeeper specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
  • Conclusion, pros and cons
  • Photos

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. If you found an error or something lacking in the specifications for the Brinyte PT28 Oathkeeper, then tell us.

Brinyte PT28 Oathkeeper / PT28OK

The PT28 Oathkeeper flashlight is a key tool in many situations. It's used for everyday tasks, outdoor adventures, emergencies, and professional work. This light has 4 modes of lighting. The PT28 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. This USB rechargeable flashlight is small and light. It is easy to carry.

Brinyte PT28 Oathkeeper specifications

BrandBrinyte
NamePT28 Oathkeeper
TypePT28OK
Rating
Rated 3 / 5 based on 1463 user votes.
Launch2019
Formflashlight

A flashlight provides reassurance and confidence. It is helpful in unfamiliar or dangerous places.

Brinyte PT28 Oathkeeper / 1

Body, materials, weight, colors

Weight110 g
Length140.8 mm
Body diameter25.4 mm
Head diameter26.5 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack
desert tan

This 110 g flashlight is slightly heavier than most handheld flashlights. But, it is still at a reasonable weight. The best flashlight size depends on personal preference. It also depends on intended use and the specific features you want. The aluminum bodies can be anodized. This adds a protective layer and a wide range of color options for flashlight bodies. Flashlight makers widely use HAIII coating. It is durable, resists corrosion, and improves grip. It also looks good. This flashlight offers many color options. You can choose from a wide range of hues. They will suit your style and preferences.

Brinyte PT28 Oathkeeper / 2

System, LED, lens, reflector

EmitterCree XHP35 HD LED
Color temperature6500 K
ReflectorSMO
LensAR coated glass
Switchelectronic side, mechanical rear

Cree is a US-based LED manufacturer. It is well-regarded for its high-quality products and innovation in lighting. Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. Flashlights use the smooth reflector when long-range light is important. This includes searchlights and thrower flashlights. The AR coating on the lens maximizes light transmission. This makes the flashlight more effective in darker environments.

The PT28 Oathkeeper uses multiple switches. The switches' placement and design determine this. They allow for one-handed operation. The flashlight has electronic switches. They have many benefits and extra features compared to mechanical switches. Mechanical switches often offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. The rear switch of the PT28 Oathkeeper is rugged and durable. It can withstand harsh conditions and repeated use.

Brinyte PT28 Oathkeeper / 3

Performance, flux, intensity, throw

Flux1600 lm
Intensity15200 cd
Throw247 m
CD/LM factor9.5

The 1600 lm output of PT28 Oathkeeper provides great flexibility. You can adjust the brightness to fit different needs. The PT28 Oathkeeper flashlight has 15200 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.

Software, user interface, modes

Modes4 modes
Mode memoryyes
Ramping modeno
Strobeyes
SOS/Beaconyes

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. It stays in that mode when you turn it on again. Designers created the strobe function to produce a disorienting or attention-grabbing effect. The SOS code starts three short signals. Then, three long signals follow. Finally, there are three short signals again.

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portmagnetic USB
LVPyes
Thermal regulationyes
ProtectionIP68
AUX LEDsno
Magneticno

The Brinyte PT28 Oathkeeper flashlight is powered by 1 x 18650 Li-Ion battery. The battery indicator prevents surprise power failures. It ensures the flashlight is ready when needed. USB rechargeable flashlights are more popular now. They are popular because they are convenient and sustainable. The Low Voltage Protection helps save the battery's capacity. It stops it from reaching a critically low voltage.

The built-in thermal control adjusts brightness output to prevent overheating. The "6" in the IP68 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The flashlight has an IP68 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period. The manufacturer specifies this.

Accessories, package contents

Package contents18650 battery
clip
lanyard
magnetic USB charger cable
nylon holster
tactical ring

Getting a flashlight with an included battery saves you time. It spares you the effort of finding a compatible battery or waiting for a separate battery. The flashlight package is thoughtful, it has a holster. It offers you a practical and secure way to store your flashlight. With a clip, you can fasten the flashlight to a reachable spot. This ensures it is easy to get whenever you need it. The lanyard of the PT28 Oathkeeper protects the flashlight from accidental damage. It does this by stopping it from falling or hitting the ground.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the PT28 Oathkeeper flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

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.

Pros

  • lightweight
  • aluminium body
  • body color options
  • AR coated lens
  • side switch
  • tactical switch
  • adequate performance
  • 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
  • clip

Cons

  • cool light
  • no auxiliary LEDs
  • non-magnetic

Photos

Brinyte PT28 Oathkeeper / PT28OK photo 1.
Brinyte PT28 Oathkeeper / PT28OK photo 2.
Brinyte PT28 Oathkeeper / PT28OK photo 3.
Brinyte PT28 Oathkeeper / PT28OK photo 4.
Brinyte PT28 Oathkeeper / PT28OK

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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.
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