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Nitecore

Nitecore TM39 flashlight review

Luminus SBT90.2 LED
5200 lm output
562500 cd intensity
1 x NBP68HD Li-Ion battery pack

The Nitecore TM39 flashlight was released in 2020. It uses Luminus SBT90.2 LED, SMO reflector and 1 x NBP68HD Li-Ion battery pack. The powerful emitter in this flashlight provides up to 5200 lm output, 562500 cd intensity, and a beam distance of 1500 m.

Wondering if this Nitecore flashlight is awesome? Stick around until the end of our article!

Table of Contents

  • Nitecore TM39 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.

Nitecore TM39 / TM39

The TM39 is a powerful and reliable flashlight. It has impressive illumination and durable construction. This light has 4 modes of lighting. The TM39 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.

Nitecore TM39 specifications

BrandNitecore
NameTM39
TypeTM39
Rating
Rated 3 / 5 based on 1499 user votes.
Launch2020
Formflashlight

Flashlights let you navigate in the dark. They help you find supplies and signal for help.

Nitecore TM39 / 1

Body, materials, weight, colors

Weight136.1 g
Length276 mm
Body diameter50 mm
Head diameter90 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

The TM39 is generally comfortable to hold for a long time. A smaller flashlight is easier to carry in a pocket, bag, or pouch. The aluminium body of the TM39 has excellent thermal conductivity. The HAIII coating is often matte or textured. The TM39 flashlight is available in black.

Nitecore TM39 / 2

System, LED, lens, reflector

EmitterLuminus SBT90.2 LED
Color temperature6000 K
ReflectorSMO
Lenstoughtened AR coated glass
Switchdual electronic side

Luminus has established a positive reputation as a reliable LED manufacturer. Warm, white light is generally more comfortable. The SMO's main job is to focus and project light from the source. The AR coating is thin and applied to the lens surface. The electronic switches may have a higher chance of standby drain.

Nitecore TM39 / 4

Performance, flux, intensity, throw

Flux5200 lm
Intensity562500 cd
Throw1500 m
CD/LM factor108.17

The TM39 flashlight has 5200 lm. It will provide an exceptionally bright and powerful beam of light. These flashlights need lots of power and make a lot of heat, this is because they have high energy output. 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.

Nitecore TM39 / 3

Software, user interface, modes

Modes4 modes
Mode memoryyes
Ramping modeno
Strobeyes
SOS/Beaconyes

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 TM39 is tactical strobe ready. The strobe light is disorienting to the person it is aimed at, this makes it hard for them to concentrate. The SOS flashes Morse code so you can signal for help when needed.

Features, battery, protections

Battery1 x NBP68HD Li-Ion battery pack
Battery indicatoryes
Charger portyes, on special battery
LVPyes
Thermal regulationyes
ProtectionIP68
AUX LEDsno
Magneticno
SpecialsOLED display

The TM39 flashlight's power source is 1 x NBP68HD Li-Ion battery pack. The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge. The built-in thermal control adjusts brightness output to prevent overheating. The "6" in the IP68 rating shows the level of protection. The "8" in the IP68 rating means the highest level of protection.

Accessories, package contents

Package contents2 x spare o-rings
lanyard
spare USB plug
strap
wall adapter

The lanyard prevents accidental loss of the flashlight. When using spare O-rings, follow the maker's instructions.

Official sitehttps://flashlight.nitecore.com/

Conclusion, pros and cons

This Nitecore 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.

Pros

  • lightweight
  • aluminium body
  • AR coated lens
  • side switch
  • strong flux
  • extremely bright
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof
  • OLED display
  • adapter included

Cons

  • cool light
  • no auxiliary LEDs
  • non-magnetic

Photos

Nitecore TM39 / TM39 photo 1.
Nitecore TM39 / TM39 photo 2.
Nitecore TM39 / TM39 photo 3.
Nitecore TM39 / TM39 photo 4.
Nitecore TM39 / TM39 photo 5.
Nitecore TM39 / TM39

Comparisons

According to our statistics, the Nitecore TM39 flashlight was most often compared on our site with the following flashlights.

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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.