Olight Seeker 4 flashlight review

Cree XHP50.3 LED
3100 lm output
40260 cd intensity
1 x special 21700 Li-Ion battery

The Olight Seeker 4 flashlight was released in 2023. It uses Cree XHP50.3 LED, SMO reflector and 1 x special 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 3100 lm output, 40260 cd intensity, and a beam distance of 401 m.

Want to know if the Seeker 4 is a game-changer? Stay with us!

Table of Contents

  • Olight Seeker 4 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 Seeker 4 / SEEKER4

The Seeker 4 flashlight is an essential tools for emergency preparedness. This light has 5 modes of lighting. The Seeker 4 flashlight recalls the last used mode. You can use the strobe function as a self-defense tool. This USB rechargeable flashlight is small and light.

Olight Seeker 4 specifications

NameSeeker 4
Rated 4 / 5 based on 161 user votes.

Flashlights let you navigate in the dark. They help you find supplies and signal for help.

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Body, materials, weight, colors

Weight205 g
Length134 mm
Body diameter28 mm
Head diameter35 mm
Materialaluminium alloy with HAIII hard-anodized finish

The heavier flashlight may be tiring to hold for a long time. The best flashlight size depends on personal preference. The aluminium body of the Seeker 4 has excellent thermal conductivity. The HAIII coating is often matte or textured. The Seeker 4 offers an impressive assortment of captivating colors: black, red.

Olight Seeker 4 / 1

System, LED, lens, reflector

EmitterCree XHP50.3 LED
Color temperature6500 K
Lenstoughtened AR coated glass
Switchelectronic side

Cree is widely regarded as a reputable LED manufacturer. Warm, white light is generally more comfortable. If you need long-range light, get a flashlight with a smooth reflector. The AR coating on the lens maximizes light transmission. The electronic switches may have a higher chance of standby drain.

Olight Seeker 4 / 5

Performance, flux, intensity, throw

Flux3100 lm
Intensity40260 cd
Throw401 m
CD/LM factor12.99

The Seeker 4 flashlight has 3100 lm. It will provide an exceptionally bright and powerful beam of light. The Seeker 4 flashlight has 40260 cd, it can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

Olight Seeker 4 / 2

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. You can use Strobe for signaling purposes. It can also be used for self-defense or to attract attention in emergency situations.

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Features, battery, protections

Battery1 x special 21700 Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes

The Seeker 4 flashlight's power source is 1 x special 21700 Li-Ion battery. The battery indicator helps users check the battery status. The built-in charger allows for convenient and versatile charging. The Seeker 4 flashlight lacks built-in LVP. You should use a protected battery to prevent over-discharging. The thermal protection feature helps prevent overheating. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Olight Seeker 4 / 4

Accessories, package contents

Package contentsUSB Type-C cable
special 21700 battery

The included battery is picked to match the power needs of the Seeker 4 flashlight. Securing the flashlight with a lanyard frees up your hands for other tasks.

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
  • AR coated lens
  • side switch
  • strong flux
  • super bright
  • multiple modes
  • mode memory
  • tactical strobe
  • battery indicator
  • USB charger
  • thermal regulation
  • waterproof
  • battery included


  • cool light
  • no LVP
  • no auxiliary LEDs
  • non-magnetic


Olight Seeker 4 / SEEKER4 photo 1.
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Olight Seeker 4 / SEEKER4


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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.