Olight Perun headlamp review

Cree XHP50.2 LED
2000 lm output
3600 cd intensity
1 x special 18650 Li-Ion battery

The Olight Perun headlamp was released in 2019. It uses Cree XHP50.2 LED, TIR reflector and 1 x special 18650 Li-Ion battery. The powerful emitter in this headlamp provides up to 2000 lm output, 3600 cd intensity, and a beam distance of 120 m.

Wondering if this headlamp is a hit? Stay tuned!

Table of Contents

  • Olight Perun 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.

Olight Perun / PERUN

The Perun is useful when you need to use both hands. TIR technology minimizes hotspots, dark spots, and irregularities in the beam of Perun. This light has 5 modes of lighting. The Perun mode memory eliminates the need to cycle through modes. It provides convenience and saves time. This Olight USB rechargeable flashlight comes with versatile charging options.

Olight Perun specifications

Rated 3 / 5 based on 1485 user votes.

Headlamps are popular among outdoor enthusiasts.

Olight Perun / 15

Body, materials, weight, colors

Weight60 g
Length112 mm
Body diameter23 mm
Head diameter26 mm
Materialaluminium alloy with HAIII hard-anodized finish

The Perun is small, compact, and designed for ultra-portability. The length of a flashlight can affect how it feels in your hand and how you can grip it. The aluminium body of the Perun has excellent thermal conductivity. Flashlight makers widely use HAIII coating. Factors can influence the color choice of the flashlight body.

Olight Perun / 1

System, LED, lens, reflector

EmitterCree XHP50.2 LED
Color temperature6000 K
Switchelectronic front

Cree is widely regarded as a reputable LED manufacturer. Warm, white light is generally more comfortable. The TIR lens of the Perun can reduce light loss, it captures and redirects much of the emitted light. The electronic switches may have a higher chance of standby drain.

Olight Perun / 5

Performance, flux, intensity, throw

Flux2000 lm
Intensity3600 cd
Throw120 m
CD/LM factor1.8

With 2000 lm, the Perun flashlight will offer a brighter and more powerful beam of light. The Perun flashlight has 3600 cd, it provides a much brighter and more intense beam. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

Olight Perun / 4

Software, user interface, modes

Modes5 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. The Perun's SOS mode produces a specific sequence of long and short flashes.

Olight Perun / 12

Features, battery, protections

Battery1 x special 18650 Li-Ion battery
Battery indicatoryes, with vibration
Charger portmagnetic USB
Thermal regulationyes
Specialsproximity sensor

The Perun flashlight's power source is 1 x special 18650 Li-Ion battery. The battery indicator shows the remaining power level of the flashlight's battery. The Perun flashlight can charge from a USB power source. Use a protected battery, because this flashlight lacks low voltage protection (LVP). The built-in thermal control adjusts brightness output to prevent overheating. The "8" in the IPx8 rating means the highest level of protection. The Perun flashlight is magnetic, it lets you attach the flashlight to metal surfaces.

Olight Perun / 11

Accessories, package contents

Package contentsMCC3 magnetic USB charger cable
special 18650 battery

By including a battery with the flashlight, you avoid the extra expense. The clip is very helpful, it lets you quickly access your flashlight while keeping your hands free for other tasks. Attaching a lanyard to your Perun flashlight provides an additional layer of security.

Olight Perun / 2
Official sitehttps://olightworld.com/

Conclusion, pros and cons

This Olight 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
  • body color options
  • TIR lens
  • adequate performance
  • multiple modes
  • mode memory
  • SOS/beacon function
  • battery indicator
  • USB charger
  • thermal regulation
  • waterproof
  • magnetic
  • battery included
  • clip


  • cool light
  • low intensity
  • no LVP
  • no auxiliary LEDs


Olight Perun / PERUN photo 1.
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Olight Perun / PERUN


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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.