Thrunite TN42 flashlight review

2000 lm output
600750 cd intensity
4 x 18650 Li-Ion batteries

The Thrunite TN42 flashlight was released in 2016. It uses Cree XHP35 HI LED, SMO reflector and 4 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 2000 lm output, 600750 cd intensity, and a beam distance of 1550 m.

Want to know if this Thrunite flashlight stands out? Keep going!

Table of Contents

  • Thrunite TN42 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.

Thrunite TN42 / TN42

The TN42 is an impressive flashlight that offers both power and reliability. This light has 5 modes of lighting. With mode memory, when you turn off the TN42 and then turn it back on, it will activate the last used mode. The strobe function produces a high-frequency flashing light pattern.

Thrunite TN42 specifications

Rated 3 / 5 based on 1475 user votes.

A flashlight provides reassurance and confidence.

Thrunite TN42 / 2

Body, materials, weight, colors

Weight666 g
Length206 mm
Body diameter52 mm
Head diameter100 mm
Materialaluminium alloy with HAIII hard-anodized finish

The flashlight is a bit heavy, its weight is 666 g. The best flashlight size depends on personal preference. Aluminium is a lightweight material, which is beneficial for TN42 flashlight. Flashlight makers widely use HAIII coating. This flashlight features a captivating black color.

Thrunite TN42 / 1

System, LED, lens, reflector

EmitterCree XHP35 HI LED
Color temperature5000 K, 6500 K
Lenstoughtened AR coated glass
Switchelectronic side

Lighting professionals trust Cree LEDs. Cree LEDs have gained a strong reputation for quality and performance. The color temperature choice depends on the light's use and personal taste. The TN42 uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating on the lens maximizes light transmission. Some flashlights with electronic switches have programmable features.

Thrunite TN42 / 4

Performance, flux, intensity, throw

Flux2000 lm
Intensity600750 cd
Throw1550 m
CD/LM factor300.38

The 2000 lm output of TN42 provides great flexibility. The Thrunite flashlight has 600750 cd. 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.

Thrunite TN42 / 6

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. Strobe mode on TN42 flashlight produces a rapid, repeated flashing of light.

Thrunite TN42 / 5

Features, battery, protections

Battery4 x 18650 Li-Ion batteries
Battery indicatoryes
Charger portno
Thermal regulationyes

The TN42 flashlight utilizes 4 x 18650 Li-Ion batteries as its power source. The battery indicator shows the remaining power level of the flashlight's battery. The TN42 doesn't have charger port. The Low Voltage Protection helps save the battery's capacity. 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.

Thrunite TN42 / 3

Accessories, package contents

Package contents2 x spare o-rings
shoulder strap
strap ring
switch cover

Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

Official sitehttps://www.thrunite.com/

Conclusion, pros and cons

This Thrunite 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.


  • aluminium body
  • warm light
  • AR coated lens
  • side switch
  • adequate performance
  • extremely bright
  • multiple modes
  • mode memory
  • tactical strobe
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • waterproof


  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic


Thrunite TN42 / TN42 photo 1.
Thrunite TN42 / TN42 photo 2.
Thrunite TN42 / TN42 photo 3.
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Thrunite TN42 / TN42 photo 7.
Thrunite TN42 / TN42


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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.