Nitecore HA40 headlamp review

Cree XM-L2 U2 LED
1000 lm output
8300 cd intensity
4 x AA batteries

The Nitecore HA40 headlamp was released in 2017. It uses Cree XM-L2 U2 LED, SMO reflector and 4 x AA batteries. The powerful emitter in this headlamp provides up to 1000 lm output, 8300 cd intensity, and a beam distance of 182 m.

Want to know if this Nitecore headlamp stands out? Keep going!

Table of Contents

  • Nitecore HA40 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 HA40 / HA40

The HA40 headlamp stands out as a versatile and high-performance lighting solution. This light has 5 modes of lighting. The HA40 flashlight recalls the last used mode. You can use the strobe function as a self-defense tool.

Nitecore HA40 specifications

Rated 4 / 5 based on 1467 user votes.

This headlamp lets you aim the beam where you need it.

Nitecore HA40 / 3

Body, materials, weight, colors

Weight126.7 g
Length64 mm
Head diameter32 mm
Dimensions64 x 36 x 56 mm
Materialaluminium alloy with HAIII hard-anodized finish

The HA40 is generally comfortable to hold for a long time. The best flashlight size depends on personal preference. The aluminium body of the HA40 has excellent thermal conductivity. The HAIII coating is uniform and attractive. This flashlight features a captivating black color.

Nitecore HA40 / 1

System, LED, lens, reflector

EmitterCree XM-L2 U2 LED
Color temperature6500 K
Lenstoughtened AR coated glass
Switchelectronic side

Cree is widely regarded as a reputable LED manufacturer. Warm, white light is generally more comfortable. If you need long-range light, get a flashlight with a smooth reflector. The AR coating on the lens maximizes light transmission. The electronic switches may have a higher chance of standby drain.

Nitecore HA40 / 2

Performance, flux, intensity, throw

Flux1000 lm
Intensity8300 cd
Throw182 m
CD/LM factor8.3

The 1000 lm output of HA40 provides great flexibility. The HA40 flashlight has 8300 cd, it provides a much brighter and more intense beam. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

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 HA40 flashlight has a strobe function, it produces a rapid, repetitive flashing of light. The SOS signal is commonly used in outdoor adventures or survival scenarios.

Features, battery, protections

Battery4 x AA batteries
Battery indicatorno
Charger portno
Thermal regulationyes

The HA40 flashlight's power source is 4 x AA batteries. The HA40 doesn't have charger port. The HA40 flashlight lacks built-in LVP. You should use a protected battery to prevent over-discharging. The thermal protection feature helps prevent overheating. The "6" in the IP66 rating shows the level of protection. The IP66 rating indicates that the flashlight has a protection against water jets.

Accessories, package contents

Package contentsheadband
spare o-ring

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.


  • lightweight
  • aluminium body
  • AR coated lens
  • side switch
  • adequate performance
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • thermal regulation
  • dust protected
  • waterproof


  • cool light
  • no battery indicator
  • no built-in charger
  • no LVP
  • no auxiliary LEDs
  • non-magnetic


Nitecore HA40 / HA40 photo 1.
Nitecore HA40 / HA40 photo 2.
Nitecore HA40 / HA40 photo 3.
Nitecore HA40 / HA40 photo 4.
Nitecore HA40 / HA40


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Updated: May 1, 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.