Nitecore R40 v2 flashlight review

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

The Nitecore R40 v2 flashlight was 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.

Interested to see if this Nitecore flashlight is a hit? Find out soon!

Table of Contents

  • Nitecore R40 v2 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 R40 v2 / R40V2

The R40 v2 is a powerful and reliable flashlight. It has impressive illumination and durable construction. This light has 5 modes of lighting. With mode memory, when you turn off the R40 v2 and then turn it back on, it will activate the last used mode. The strobe function produces a high-frequency flashing light pattern. This USB rechargeable flashlight is small and light.

Nitecore R40 v2 specifications

NameR40 v2
Rated 4 / 5 based on 1534 user votes.

The R40 v2 flashlight allows you to light dark areas.

Nitecore R40 v2 / 4

Body, materials, weight, colors

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

This 211 g flashlight is heavier than the average handheld flashlight. The best flashlight size depends on personal preference. Aluminium is a lightweight material, which is beneficial for R40 v2 flashlight. The HAIII coating is uniform and attractive. This flashlight features a captivating black color.

Nitecore R40 v2 / 1

System, LED, lens, reflector

EmitterCree XP-L2 V6 LED
Color temperature5000 K
LensAR coated glass
Switchdual electronic side

Lighting professionals trust Cree LEDs. Cree LEDs have gained a strong reputation for quality and performance. The color temperature choice depends on the light's use and personal taste. The R40 v2 uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating on the lens maximizes light transmission. Some flashlights with electronic switches have programmable features.

Nitecore R40 v2 / 2

Performance, flux, intensity, throw

Flux1200 lm
Intensity29500 cd
Throw344 m
CD/LM factor24.58

The 1200 lm output of R40 v2 provides great flexibility. The R40 v2 flashlight has 29500 cd, it can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.

Nitecore R40 v2 / 3

Software, user interface, modes

Modes5 modes
Mode memoryyes
Ramping modeno

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 R40 v2 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 signal is commonly used in outdoor adventures or survival scenarios.

Features, battery, protections

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

The R40 v2 flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight can charge the battery with a built-in charger. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating. The "6" in the IP68 rating shows the level of protection. The flashlight has an IP68 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Accessories, package contents

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

The included battery is picked by the manufacturer. The flashlight package is thoughtful, it has a holster. The lanyard prevents accidental loss of the flashlight. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

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.


  • lightweight
  • aluminium body
  • warm light
  • AR coated lens
  • side switch
  • adequate performance
  • super bright
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof
  • battery included
  • adapter included
  • protective holster


  • no auxiliary LEDs
  • non-magnetic


Nitecore R40 v2 / R40V2 photo 1.
Nitecore R40 v2 / R40V2 photo 2.
Nitecore R40 v2 / R40V2 photo 3.
Nitecore R40 v2 / R40V2 photo 4.
Nitecore R40 v2 / R40V2 photo 5.
Nitecore R40 v2 / R40V2


According to our statistics, the Nitecore R40 v2 flashlight was most often compared on our site with the following flashlights.

If there’s information about the Nitecore R40 v2 that you would like to see on this site, then write to us.

Updated: April 29, 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.