Nitecore MH40GTR (2018) review

1200 lm output
252000 cd intensity
2 x 18650 Li-Ion batteries

The Nitecore MH40GTR (MH40GTR) released in 2018. It uses Cree XP-L HI V3 LED, SMO reflector and 2 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 1200 lm output, 252000 cd intensity, and a beam distance of 1004 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 MH40GTR (MH40GTR) specifications

Rated 4/5 based on 1005 user votes.


The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.

Weight374 g
Length257 mm
Body diameter25.4 mm
Head diameter70 mm
Materialaluminium alloy with HAIII hard-anodized finish


The emitter of MH40GTR manufactured by Cree, a US-based LED manufacturing company. The MH40GTR 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.

EmitterCree XP-L HI V3 LED
Color temperature6500 K
Lenstoughtened AR coated glass
Switchmechanical rear


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.

Flux1200 lm
Intensity252000 cd
Throw1004 m
CD/LM factor210


The MH40GTR 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 MH40GTR 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.

Modes4 modes
Mode memoryyes
Ramping modeno


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. This light does not have temperature control feature.

Battery2 x 18650 Li-Ion batteries
Battery indicatorno
Charger portyes
Thermal regulationno


The lanyard prevents accidental loss of the flashlight.

Package contents2 x 18650 batteries
spare o-ring
spare rubber cover
tactical ring
wall adapter

The performance of the Nitecore MH40GTR 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 MH40GTR, then don’t hesite and signal the problem to us.

Nitecore MH40GTR (MH40GTR) pictures

Nitecore MH40GTR / MH40GTR photo Nitecore MH40GTR / MH40GTR photo Nitecore MH40GTR / MH40GTR photo Nitecore MH40GTR / MH40GTR photo
Nitecore MH40GTR / MH40GTR

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