Olight Seeker 3 flashlight review

4 x unspecified CW LEDs
3500 lm output
12100 cd intensity
1 x special 21700 Li-Ion battery

The Olight Seeker 3 flashlight was released in 2021. It uses 4 x unspecified CW LEDs, TIR reflector and 1 x special 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 3500 lm output, 12100 cd intensity, and a beam distance of 220 m.

Wondering if this Olight flashlight is a must-have? Keep reading to find out!

Table of Contents

  • Olight Seeker 3 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 3 / SEEKER3

The Seeker 3 flashlight is an essential tools for emergency preparedness. TIR lens plays a significant role in shaping the beam pattern of the Seeker 3 flashlight. This light has 5 modes of lighting. With mode memory, when you turn off the Seeker 3 and then turn it back on, it will activate the last used mode. The strobe function produces a high-frequency flashing light pattern. This USB rechargeable flashlight has become popular.

Olight Seeker 3 specifications

NameSeeker 3
Rated 3 / 5 based on 1041 user votes.

The Seeker 3 flashlight allows you to light dark areas.

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Body, materials, weight, colors

Weight184 g
Length128 mm
Body diameter27.5 mm
Head diameter35 mm
Materialaluminium alloy with HAIII hard-anodized finish

The flashlight is comfortable to hold for a long time, and it is also easy to carry in pockets or bags. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. Aluminium is a lightweight material, which is beneficial for Seeker 3 flashlight. The HAIII coating is uniform and attractive. The Seeker 3 flashlight comes in many colors.

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System, LED, lens, reflector

Emitter4 x unspecified CW LEDs
Color temperature6500 K
Switchelectronic side

The color temperature choice depends on the light's use and personal taste. The Seeker 3's TIR lens is made of a single piece of transparent material. Some flashlights with electronic switches have programmable features.

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Performance, flux, intensity, throw

Flux3500 lm
Intensity12100 cd
Throw220 m
CD/LM factor3.46

The Seeker 3 flashlight has 3500 lm. It will provide an exceptionally bright and powerful beam of light. The Seeker 3 flashlight has 12100 cd, it can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.

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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 portmagnetic USB
Thermal regulationyes

The Seeker 3 flashlight utilizes 1 x special 21700 Li-Ion battery as its power source. The battery indicator helps users check the battery status. The built-in charger allows for convenient and versatile charging. The Seeker 3 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.

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Accessories, package contents

Package contentsMCC3 magnetic USB charger cable
special 21700 battery

The included battery is picked by the manufacturer. Securing the flashlight with a lanyard frees up your hands for other tasks.

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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
  • side switch
  • strong flux
  • multiple modes
  • mode memory
  • tactical strobe
  • battery indicator
  • USB charger
  • thermal regulation
  • waterproof
  • battery included


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


Olight Seeker 3 / SEEKER3 photo 1.
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Olight Seeker 3 / SEEKER3


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Updated: May 26, 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.