Thrunite TN42 2000lm In-depth review, Pros and Cons

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

The Thrunite TN42 (TN42) 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.

The TN42 flashlight is an indispensable tool in various situations, from everyday tasks and outdoor adventures to emergency preparedness and professional use. This light has 5 modes of lighting. With mode memory, when you turn off the TN42 and then turn it back on again, it will automatically activate the mode that was last used before it was turned off. The strobe function produces a high-frequency flashing light pattern that is designed to disorient or distract potential threats or aggressors.

Thrunite TN42 (TN42) pictures

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

The specifications below 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 Thrunite TN42, then don’t hesite and signal the problem to us.

Thrunite TN42 (TN42) specifications

Rated 3 / 5 based on 1355 user votes.

This Thrunite flashlight is designed to be compact and handheld, making it easy to carry and maneuver.


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. It's important to consider the length of the flashlight to ensure it fits comfortably in your desired carrying method. The aluminium bodies can be anodized, providing a protective layer and a wide range of color options for flashlight bodies. HAIII coating is widely used in the flashlight industry due to its durability, corrosion resistance, improved grip, and aesthetic appeal. This flashlight features a captivating black color.


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

Cree LEDs are trusted by lighting professionals and have gained a strong reputation for quality and performance. The choice of color temperature depends on the specific lighting application and personal preferences. The TN42 uses a smooth reflector. Unlike the textured surface of an orange peel reflector, a smooth reflector has a polished, mirror-like surface. The AR coating on the lens maximizes light transmission, making the flashlight more effective in darker environments. Some flashlights with electronic switches have programmable features that allow users to customize the behavior of the flashlight.


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

The 2000 lm output of TN42 provides greater versatility, as you can adjust the brightness levels to suit different lighting needs. With 600750 cd, this Thrunite flashlight will produce an extremely intense and powerful beam of light. The throw distance refers to the maximum distance at which the flashlight can effectively illuminate an object or target. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.


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


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. A battery indicator is a feature that provides information about the remaining power level of the flashlight's battery. The TN42 doesn't have charger port. The Low Voltage Protection helps to preserve the battery's capacity and prevent it from reaching a critically low voltage level. The TN42 has thermal protection feature. The thermal protection mechanisms are designed to monitor and regulate the temperature of the flashlight during operation. The flashlight with IPx8 rating can withstand being submerged in water beyond 1 meter for a prolonged period, typically specified by the manufacturer.


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

Instead of searching for compatible O-rings, having spare O-rings readily available allows for convenient and immediate repairs or replacements.

The performance of the Thrunite TN42 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.

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