Acebeam H17 Nichia headlamp review

3 x Nichia 219C LEDs
1500 lm output
6252 cd intensity
1 x 18350 Li-Ion battery

The Acebeam H17 Nichia headlamp was released in 2020. It uses 3 x Nichia 219C LEDs, TIR reflector and 1 x 18350 Li-Ion battery. The powerful emitter in this headlamp provides up to 1500 lm output, 6252 cd intensity, and a beam distance of 158 m.

Keen to discover if this Acebeam headlamp lives up to the hype? Keep reading!

Table of Contents

  • Acebeam H17 Nichia 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.

Acebeam H17 Nichia / H17N

The H17 Nichia headlamp is designed to provide hands-free light. It lets the user to have both hands free for other tasks. It uses a TIR lens to form the beam pattern. 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.

Acebeam H17 Nichia specifications

NameH17 Nichia
Rated 4 / 5 based on 1438 user votes.

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

Body, materials, weight, colors

Weight43.8 g
Length97 mm
Body diameter24 mm
Head diameter24.3 mm
Materialaluminium alloy with HAIII hard-anodized finish

The flashlight is lightweight and easy to handle for most people. A smaller flashlight is easier to carry in a pocket, bag, or pouch. The aluminium body of the H17 Nichia has a reputation for being durable and strong. Flashlight makers widely use HAIII coating. The H17 Nichia flashlight is available in black.

System, LED, lens, reflector

Emitter3 x Nichia 219C LEDs
Color temperature4000 K
Switchelectronic front

The emitter of H17 Nichia manufactured by Nichia, a Japanese LED manufacturer. Color temperature is used to quantify the color appearance of light sources. The TIR lens makes the LED light collimated. These beams maximize the usable lumens in the target area. The flashlight has electronic switches.

Performance, flux, intensity, throw

Flux1500 lm
Intensity6252 cd
Throw158 m
CD/LM factor4.17

With 1500 lm, the H17 Nichia flashlight will offer a brighter and more powerful beam of light. The H17 Nichia flashlight has 6252 cd, it provides a much brighter and more intense beam. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor is the candela-to-lumen ratio. It shows how concentrated a light source's output is. A flashlight with a higher CRI can show colors more accurately. The H17 Nichia flashlight has a CRI of 90. It provides true-to-life colors.

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 H17 Nichia flashlight has a strobe function, it produces a rapid, repetitive flashing of light.

Features, battery, protections

Battery1 x 18350 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationyes
Impact resistance2 m

The Acebeam H17 Nichia flashlight is powered by 1 x 18350 Li-Ion battery. The H17 Nichia cannot charge batteries. You may need an external charger to keep your battery going. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge. The built-in thermal control adjusts brightness output to prevent overheating. The "6" in the IP68 rating shows the level of protection.

The "8" in the IP68 rating means the highest level of protection. This flashlight has an impressive impact resistance rating of 2 m. It is built to endure accidental drops or impacts. This flashlight has a magnetic base, it lets it easily stick to metal surfaces.

Accessories, package contents

Package contents18350 battery with microUSB
2 x spare o-rings
microUSB cable

It comes with a battery. The battery must be fully charged before you first use your H17 Nichia. The clip is useful to keep the light secured in your pocket. Replacing worn or damaged O-rings helps a lot.

Official sitehttps://www.acebeam.com/

Conclusion, pros and cons

This Acebeam 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
  • TIR lens
  • adequate performance
  • superior CRI
  • multiple modes
  • mode memory
  • tactical strobe
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof
  • magnetic
  • battery included
  • clip


  • no battery indicator
  • no built-in charger
  • no auxiliary LEDs


Acebeam H17 Nichia / H17N photo 1.
Acebeam H17 Nichia / H17N


According to our statistics, the Acebeam H17 Nichia flashlight was most often compared on our site with the following flashlights.

If there’s information about the Acebeam H17 Nichia that you would like to see on this site, then write to us.

Updated: July 4, 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.