Acebeam TK18 AL Nichia 1650lm review. Is it worth it in 2023?

3 x Nichia 219C LEDs
1650 lm output
9160 cd intensity
1 x 18650 Li-Ion battery

The Acebeam TK18 AL Nichia (TK18ALN) released in 2019. It uses 3 x Nichia 219C LEDs, TIR reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 1650 lm output, 9160 cd intensity, and a beam distance of 191 m.

The TK18 AL Nichia is a powerful and reliable flashlight. With its impressive illumination capabilities and durable construction, it serves as an exceptional lighting tool for various situations and environments. It uses a TIR lens to form the beam pattern. This light has 5 modes of lighting. The memory function is a nice feature, the light will remember the last used mode. It has a strobe function, which is one of the most effective self defense tools available.

Table of contents:

Acebeam TK18 AL Nichia (TK18ALN) specifications

NameTK18 AL Nichia
Rated 3/5 based on 1080 user votes.

Flashlights are compact and lightweight, making them highly portable. They can easily fit into pockets, backpacks, or glove compartments, allowing you to carry them wherever you go.


Weight58 g
Length105 mm
Body diameter23 mm
Head diameter25.5 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 58 g flashlight would generally be considered lightweight and easy to handle for most people. The length of a flashlight can also impact its balance and weight distribution. A well-balanced flashlight, where the weight is evenly distributed, can be more comfortable to hold for longer periods and reduce hand fatigue. Aluminium body of TK18 AL Nichia is known for its durability and strength. It offers excellent resistance to impacts, scratches, and corrosion, making it suitable for rugged outdoor use or in demanding environments.

The body of TK18 AL Nichia flashlight treated with a Type III hard-anodized, anti-abrasive finish. The TK18 AL Nichia flashlight is available in black.


Emitter3 x Nichia 219C LEDs
Color temperature4000 K
Switchmechanical rear

The emitter of TK18 AL Nichia manufactured by Nichia, a Japanese LED manufacturer. Color temperature is a characteristic of light. It is measured in units called Kelvin (K) and is used to quantify the color appearance of light sources, particularly white light. A TIR lens works on the principle of total internal reflection. The TIR lens collimates the LED light into efficient, well-controlled light beams that maximize the usable lumens in the target area.

The TK18 AL Nichia has mechanical switch. Mechanical switches are known for their durability and reliability. They are typically built with robust construction, making them resistant to wear and tear, and capable of enduring various environmental conditions. The placement of the rear switch at the end of the TK18 AL Nichia flashlight facilitates a secure forward grip. This grip allows for better control and handling of the flashlight, especially in situations where precision and stability are important.


Flux1650 lm
Intensity9160 cd
Throw191 m
CD/LM factor5.55

With 1650 lm, the TK18 AL Nichia flashlight will offer a brighter and more powerful beam of light. This higher output can be advantageous in various situations where you require enhanced visibility or need to illuminate larger areas. With 9160 cd, the TK18 AL Nichia flashlight provides a noticeably brighter and more intense beam of light. It can illuminate objects or areas with greater clarity and visibility, even at longer distances.

The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor (candela-to-lumen ratio) provides information about how concentrated or focused the light output of a light source is. A higher cd/lm ratio indicates that the light is more concentrated in a specific direction, while a lower ratio indicates a more diffused or spread-out light output.

A flashlight with a higher CRI can provide better color accuracy when examining objects or distinguishing between different colors in low-light or nighttime situations. This can be beneficial in certain tasks or activities where color discrimination is important, such as identifying wires or reading color-coded information. The TK18 AL Nichia flashlight with a CRI of 95 has exceptional color rendering. CRI of 95 indicates an extremely high level of color accuracy, providing a near-perfect representation of colors.


Modes5 modes
Mode memoryyes
Ramping modeno

Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences. The TK18 AL Nichia has mode memory. Mode memory means that the flashlight will remember the mode you were using when the light was last turned off, and when you turn it on again. The TK18 AL Nichia is tactical strobe ready. The strobe light is disorienting to the person it is aimed at which makes it difficult for them to concentrate.


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

The Acebeam TK18 AL Nichia flashlight is powered by 1 x 18650 Li-Ion battery. The TK18 AL Nichia cannot charge batteries directly. You may need an external charger to keep your battery going. This flashlight has a built-in low voltage protection (LVP) to prevent damage to the cell from over-discharge, so protected cells are not necessary. The built-in thermal control automatically adjusts brightness output to prevent overheating. The "8" in the IPx8 rating indicates the highest level of protection against water ingress.


Package contents2 x spare o-rings
spare rubber cover

The clip provides flexibility in how you carry your flashlight. When gripping the flashlight with the lanyard around your wrist, it provides a more secure and stable hold. Having spare O-rings allows you to replace them as needed, ensuring that the flashlight maintains its water-tight seal and remains protected from moisture or water ingress.

The performance of the Acebeam TK18 AL Nichia flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Acebeam TK18 AL Nichia, then don’t hesite and signal the problem to us.

Acebeam TK18 AL Nichia (TK18ALN) pictures

Acebeam TK18 AL Nichia / TK18ALN photo
Acebeam TK18 AL Nichia / TK18ALN photo
Acebeam TK18 AL Nichia / TK18ALN photo
Acebeam TK18 AL Nichia / TK18ALN photo
Acebeam TK18 AL Nichia / TK18ALN

Acebeam TK18 AL Nichia (TK18ALN) comparisons

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