
Nitecore TM39 Lite (2020) review
The Nitecore TM39 Lite (TM39LITE) released in 2020. It uses Luminus SBT90.2 LED, SMO reflector and 4 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 5200 lm output, 562500 cd intensity, and a beam distance of 1500 m.
This light has 4 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:
Nitecore TM39 Lite (TM39LITE) specifications
Brand | Nitecore |
---|---|
Name | TM39 Lite |
Type | TM39LITE |
Rating | |
Launch | 2020 |
Form | flashlight |
Body
The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.
Weight | 876 g |
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Length | 195 mm |
Body diameter | 50 mm |
Head diameter | 90 mm |
Material | aluminium alloy with HAIII hard-anodized finish |
Colors | black |
System
The emitter of TM39 Lite manufactured by Luminus, a US-based LED manufacturer. The TM39 Lite has a smooth reflector. The properly focused smooth reflector gives you a more cohesive hotspot and therefore throws better. It has an AR coated lens.
Emitter | Luminus SBT90.2 LED |
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Color temperature | 6000 K |
Reflector | SMO |
Lens | toughtened AR coated glass |
Switch | dual electronic side |
Performance
The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam. Well-focused spot beams can be over 100 cd/lm, tactical flashlights are typically between 20-100 cd/lm, and work lights are less than 10 cd/lm.
Flux | 5200 lm |
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Intensity | 562500 cd |
Throw | 1500 m |
CD/LM factor | 108.17 |
Software
The TM39 Lite has mode memory. Mode memory means that the light will remember the mode you were using when the light was last turned off, and when you turn it on again. The TM39 Lite is tactical strobe ready. The strobe light is disorienting to the person it is aimed at which makes it difficult for them to concentrate. It has the SOS beacon function for an emergency situation. The SOS flashes Morse code so you can signal for help when needed.
Modes | 4 modes |
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Mode memory | yes |
Ramping mode | no |
Strobe | yes |
SOS/Beacon | yes |
Features
The battery indicator lets you know when the battery is low, charging, or fully charged. 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.
Battery | 4 x 18650 Li-Ion batteries |
---|---|
Battery indicator | yes |
Charger port | yes |
LVP | yes |
Thermal regulation | yes |
Protection | IP68 |
AUX LEDs | no |
Magnetic | no |
Specials | OLED display |
Accessories
The lanyard prevents accidental loss of the flashlight.
Package contents | 2 x spare o-rings lanyard spare USB plug strap wall adapter |
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The performance of the Nitecore TM39 Lite 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 Nitecore TM39 Lite, then don’t hesite and signal the problem to us.
Nitecore TM39 Lite (TM39LITE) pictures

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