Haikelite HK90 flashlight review

3 x Luminus SBT90.2 LEDs
18000 lm output
750000 cd intensity
3 x 21700 Li-Ion batteries

The Haikelite HK90 flashlight was released in 2020. It uses 3 x Luminus SBT90.2 LEDs, SMO reflector and 3 x 21700 Li-Ion batteries. The powerful emitter in this flashlight provides up to 18000 lm output, 750000 cd intensity, and a beam distance of 1732 m.

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

Table of Contents

  • Haikelite HK90 specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
  • 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.

Haikelite HK90 / HK90

The flashlight is a must-have tool for outdoor activities, it offers guidance and safety. The HK90 flashlight recalls the last used mode. You can use the strobe function as a self-defense tool. This USB rechargeable flashlight is small and light.

Haikelite HK90 specifications

Rated 4 / 5 based on 1401 user votes.

This flashlight can fit in pockets, backpacks, or glove compartments.

Haikelite HK90 / 4

Body, materials, weight, colors

Weight1119 g
Length200 mm
Body diameter60 mm
Head diameter100 mm
Materialaluminium alloy with HAIII hard-anodized finish
desert tan

The flashlight is a bit heavy, its weight is 1119 g. The best flashlight size depends on personal preference. The aluminium body of the HK90 has excellent thermal conductivity. The HAIII coating resists corrosion well. The HK90 offers an impressive assortment of captivating colors: black, desert tan, silver.

Haikelite HK90 / 3

System, LED, lens, reflector

Emitter3 x Luminus SBT90.2 LEDs
Color temperature5700 K
Lenstoughtened AR coated glass
Switchelectronic side

Luminus has established a positive reputation as a reliable 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.

Haikelite HK90 / 2

Performance, flux, intensity, throw

Flux18000 lm
Intensity750000 cd
Throw1732 m
CD/LM factor41.67

Flashlights with very high lumen outputs demand a substantial amount of power. These flashlights need lots of power and make a lot of heat, this is because they have high energy output. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

Haikelite HK90 / 1

Software, user interface, modes

Mode memoryyes
Ramping modeyes

The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The ramping mode has an advantage. It offers precise control over the light amount emitted by the flashlight. Designers created the strobe function to produce a disorienting or attention-grabbing effect. The SOS signal is commonly used in outdoor adventures or survival scenarios.

Features, battery, protections

Battery3 x 21700 Li-Ion batteries
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1 m

The HK90 flashlight's power source is 3 x 21700 Li-Ion batteries. The battery indicator prevents surprise power failures. USB rechargeable flashlights are more popular now. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating. The "7" in the IPx7 rating shows that the flashlight can survive being submerged in water. The HK90 flashlight proudly boasts an exceptional impact resistance rating of 1 m.

Accessories, package contents

Package contents2 x spare o-rings
USB Type-C cable
gimbal screw

The lanyard of the HK90 protects the flashlight from accidental damage. When using spare O-rings, follow the maker's instructions.

Conclusion, pros and cons

This Haikelite 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.


  • aluminium body
  • body color options
  • AR coated lens
  • side switch
  • extremely powerful
  • extremely bright
  • mode memory
  • ramping mode
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • waterproof


  • too heavy
  • no auxiliary LEDs
  • non-magnetic


Haikelite HK90 / HK90 photo 1.
Haikelite HK90 / HK90 photo 2.
Haikelite HK90 / HK90 photo 3.
Haikelite HK90 / HK90 photo 4.
Haikelite HK90 / HK90 photo 5.
Haikelite HK90 / HK90


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Updated: April 23, 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.