Olight Seeker 4 Pro 4600lm flashlight review: Pros and Cons

4 x Osram P9 LEDs
4600 lm output
16895 cd intensity
1 x special 21700 Li-Ion battery

The Olight Seeker 4 Pro flashlight released in 2023. It uses 4 x Osram P9 LEDs, TIR reflector and 1 x special 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 4600 lm output, 16895 cd intensity, and a beam distance of 260 m.

Table of Contents

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 Olight Seeker 4 Pro, then tell us.

Olight Seeker 4 Pro / SEEKER4PRO

The Seeker 4 Pro flashlight is a key tool in many situations. It's used for everyday tasks, outdoor adventures, emergencies, and professional work. TIR technology minimizes hotspots, dark spots, and irregularities in the beam of Seeker 4 Pro. This light has 5 modes of lighting. The Seeker 4 Pro mode memory eliminates the need to cycle through modes. You don't have to do this each time you turn on the flashlight. It provides convenience and saves time.

You can use the strobe function as a self-defense tool. It provides a non-lethal way to deter or disorient attackers. This Olight USB rechargeable flashlight comes with versatile charging options.

Olight Seeker 4 Pro specifications

NameSeeker 4 Pro
Rated 4 / 5 based on 63 user votes.

The Seeker 4 Pro flashlight allows you to light dark areas. It helps you find hazards or stop threats by shining light on them.

Olight Seeker 4 Pro / 3

Body, materials, weight, colors

Weight205 g
Length133 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. It may also be unsuitable for activities that need light weight. The best flashlight size depends on personal preference. It also depends on intended use and the specific features you want. The aluminium body of the Seeker 4 Pro has excellent thermal conductivity. This means it can effectively dissipate heat generated by the flashlight's components.

Flashlight makers widely use HAIII coating. It is durable, resists corrosion, and improves grip. It also looks good. Factors can influence the color choice of the flashlight body. These include intended use, environment, personal style, and requirements.

Olight Seeker 4 Pro / 4

System, LED, lens, reflector

Emitter4 x Osram P9 LEDs
Color temperature4500 K, 6500 K
Switchelectronic rotary side

Osram has a reputation for producing LEDs that deliver consistent quality and durability. Warm, white light is generally more comfortable. It's also less harsh on the eyes than cool, white light. The TIR lens of the Seeker 4 Pro can reduce light loss. To achieve high light output, it captures and redirects much of the emitted light. The electronic switches may have a higher chance of standby drain.

Olight Seeker 4 Pro / 1

Performance, flux, intensity, throw

Flux4600 lm
Intensity16895 cd
Throw260 m
CD/LM factor3.67

The Seeker 4 Pro flashlight has 4600 lm. It will provide an exceptionally bright and powerful beam of light. The Seeker 4 Pro flashlight has 16895 cd. It can light objects at greater distances. 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. It compares this to its total luminous flux or output.

Olight Seeker 4 Pro / 2

Software, user interface, modes

Modes5 modes
Mode memoryyes
Ramping modeno

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.

Features, battery, protections

Battery1 x special 21700 Li-Ion battery
Battery indicatoryes
Charger portmagnetic USB
Thermal regulationyes

The Seeker 4 Pro flashlight's power source is 1 x special 21700 Li-Ion battery. It provides reliable, long-lasting energy for top performance. 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 flashlight detects when the battery's voltage has dropped to a certain level. Then, it reduces or cuts off the power.

The thermal protection feature helps prevent overheating. Overheating can harm the flashlight's performance, battery, and safety. The "8" in the IPx8 rating means the highest level of protection. It is against water ingress.

Accessories, package contents

Package contentsMCC3 2A magnetic USB charger cable
plastic holster
special 21700 battery

By including a battery with the flashlight, you avoid the extra expense. You would have to buy a battery separately. The holster keeps your flashlight secure. It provides a reliable and easy way to do this when not in use. The lanyard of the Seeker 4 Pro 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 Seeker 4 Pro 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 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
  • warm light
  • TIR lens
  • side switch
  • rotary switch
  • strong flux
  • multiple modes
  • mode memory
  • tactical strobe
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • waterproof
  • battery included
  • protective holster


  • no auxiliary LEDs
  • non-magnetic


Olight Seeker 4 Pro / SEEKER4PRO photo 1.
Olight Seeker 4 Pro / SEEKER4PRO photo 2.
Olight Seeker 4 Pro / SEEKER4PRO photo 3.
Olight Seeker 4 Pro / SEEKER4PRO photo 4.
Olight Seeker 4 Pro / SEEKER4PRO photo 5.
Olight Seeker 4 Pro / SEEKER4PRO

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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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