Nitecore R40 v2 (2020) review

Cree XP-L2 V6 LED
1200 lm output
29500 cd intensity
1 x 21700 Li-Ion battery

The Nitecore R40 v2 (R40V2) released in 2020. It uses Cree XP-L2 V6 LED, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 1200 lm output, 29500 cd intensity, and a beam distance of 344 m.

This light has 5 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. The R40 v2 flashlight is rechargeable easily via USB port.

Table of contents:

Nitecore R40 v2 (R40V2) specifications

NameR40 v2
Rated 4/5 based on 1044 user votes.


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

Weight211 g
Length159 mm
Head diameter40 mm
Materialaluminium alloy with HAIII hard-anodized finish


The emitter of R40 v2 manufactured by Cree, a US-based LED manufacturing company. The R40 v2 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-L2 V6 LED
Color temperature5000 K
LensAR coated glass
Switchdual electronic side


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
Intensity29500 cd
Throw344 m
CD/LM factor24.58


The R40 v2 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 R40 v2 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.

Modes5 modes
Mode memoryyes
Ramping modeno


The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight can charge the battery with an integrated charger, and it works with any USB power source. 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.

Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C, wireless
Thermal regulationyes


It comes with a battery. The battery must be fully charged before you first use your R40 v2. The package includes a holster to safely store your flashlight. The lanyard prevents accidental loss of the flashlight.

Package contents2 x spare o-rings
21700 battery
USB Type-C cable
car adapter
desktop cradle
nylon holster
wall adapter
wall mount cradle

The performance of the Nitecore R40 v2 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 R40 v2, then don’t hesite and signal the problem to us.

Nitecore R40 v2 (R40V2) pictures

Nitecore R40 v2 / R40V2 photo Nitecore R40 v2 / R40V2 photo Nitecore R40 v2 / R40V2 photo Nitecore R40 v2 / R40V2 photo Nitecore R40 v2 / R40V2 photo
Nitecore R40 v2 / R40V2

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