Acebeam TK18 CU Samsung flashlight review

3 x Samsung LH351D LEDs
3000 lm output
6110 cd intensity
1 x 18650 Li-Ion battery

The Acebeam TK18 CU Samsung flashlight was released in 2019. It uses 3 x Samsung LH351D LEDs, TIR reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 3000 lm output, 6110 cd intensity, and a beam distance of 156 m.

Curious if this Acebeam flashlight is a real gem? Keep following along!

Table of Contents

  • Acebeam TK18 CU Samsung 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.

Acebeam TK18 CU Samsung / TK18CUS

The TK18 CU Samsung flashlight offers a versatile lighting solution. TIR technology minimizes hotspots, dark spots, and irregularities in the beam of TK18 CU Samsung. This light has 5 modes of lighting. The TK18 CU Samsung mode memory eliminates the need to cycle through modes. It provides convenience and saves time. You can use the strobe function as a self-defense tool.

Acebeam TK18 CU Samsung specifications

NameTK18 CU Samsung
Rated 3 / 5 based on 1499 user votes.

This Acebeam flashlight offers portability, versatility, and reliability.

Acebeam TK18 CU Samsung / 3

Body, materials, weight, colors

Weight124.5 g
Length105 mm
Body diameter23 mm
Head diameter25.5 mm

The TK18 CU Samsung is generally comfortable to hold for a long time. The length of a flashlight can affect how it feels in your hand and how you can grip it. The TK18 CU Samsung flashlight comes in a stylish copper color.

Acebeam TK18 CU Samsung / 2

System, LED, lens, reflector

Emitter3 x Samsung LH351D LEDs
Color temperature6500 K
Switchmechanical rear

Samsung has a strong focus on research and development. Warm, white light is generally more comfortable. The TIR lens of the TK18 CU Samsung can reduce light loss, it captures and redirects much of the emitted light. Mechanical switches are usually robust. Rear switches are common on tactical flashlights.

Acebeam TK18 CU Samsung / 1

Performance, flux, intensity, throw

Flux3000 lm
Intensity6110 cd
Throw156 m
CD/LM factor2.04

With 3000 lm, the TK18 CU Samsung flashlight will offer a brighter and more powerful beam of light. The TK18 CU Samsung flashlight has 6110 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.

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 TK18 CU Samsung flashlight has a strobe function, it produces a rapid, repetitive flashing of light.

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationyes

The TK18 CU Samsung flashlight's power source is 1 x 18650 Li-Ion battery. The TK18 CU Samsung cannot charge batteries. You may need an external charger to keep your battery going. The flashlight detects when the battery's voltage has dropped to a certain level. The built-in thermal control adjusts brightness output to prevent overheating. The "8" in the IPx8 rating means the highest level of protection.

Accessories, package contents

Package contents2 x spare o-rings
spare rubber cover

The clip is very helpful, it lets you quickly access your flashlight while keeping your hands free for other tasks. When gripping the flashlight with the lanyard around your wrist, it gives a more secure hold. When using spare O-rings, follow the maker's instructions.

Official sitehttps://www.acebeam.com/

Conclusion, pros and cons

This Acebeam 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
  • TIR lens
  • tactical switch
  • multiple modes
  • mode memory
  • tactical strobe
  • low-voltage protection
  • thermal regulation
  • waterproof
  • clip


  • cool light
  • no battery indicator
  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic


Acebeam TK18 CU Samsung / TK18CUS photo 1.
Acebeam TK18 CU Samsung / TK18CUS photo 2.
Acebeam TK18 CU Samsung / TK18CUS photo 3.
Acebeam TK18 CU Samsung / TK18CUS photo 4.
Acebeam TK18 CU Samsung / TK18CUS


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Updated: April 28, 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.