Haikelite HK04 XPL flashlight review

4 x Cree XP-L HI LEDs
5000 lm output
225625 cd intensity
3 x 18650 Li-Ion batteries

The Haikelite HK04 XPL flashlight was released in 2019. It uses 4 x Cree XP-L HI LEDs, SMO reflector and 3 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 5000 lm output, 225625 cd intensity, and a beam distance of 950 m.

Keen to discover if this Haikelite flashlight lives up to the hype? Keep reading!

Table of Contents

  • Haikelite HK04 XPL 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 HK04 XPL / HK04XPL

The flashlight is a must-have tool for outdoor activities, it offers guidance and safety. The HK04 XPL's mode memory makes the flashlight start in your preferred or needed mode. The strobe function produces a high-frequency flashing light pattern. The flashlight is rechargeable easily via USB port.

Haikelite HK04 XPL specifications

NameHK04 XPL
Rated 3 / 5 based on 1491 user votes.

The HK04 XPL flashlight allows you to light dark areas.

Haikelite HK04 XPL / 1

Body, materials, weight, colors

Weight370 g
Length140 mm
Body diameter46 mm
Head diameter56 mm
Materialaluminium alloy with HAIII hard-anodized finish
desert tan

This 370 g flashlight might feel relatively heavy if held in hand. A smaller flashlight is easier to carry in a pocket, bag, or pouch. Aluminium is a lightweight material, which is beneficial for HK04 XPL flashlight. The HAIII coating is uniform and attractive. The HK04 XPL flashlight presents an extensive selection of vibrant colors: black, desert tan.

Haikelite HK04 XPL / 3

System, LED, lens, reflector

Emitter4 x Cree XP-L HI LEDs
Color temperature5500 K, 6500 K
Lenstoughtened AR coated glass
Switchelectronic 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 smooth reflector creates a well-defined hotspot at the center. The AR coating is thin and applied to the lens surface. Some flashlights with electronic switches have programmable features.

Haikelite HK04 XPL / 4

Performance, flux, intensity, throw

Flux5000 lm
Intensity225625 cd
Throw950 m
CD/LM factor45.13

The HK04 XPL flashlight has 5000 lm. It will provide an exceptionally bright and powerful beam of light. The Haikelite flashlight has 225625 cd. The throw is the 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.

Haikelite HK04 XPL / 2

Software, user interface, modes

Mode memoryyes
Ramping modeyes

Anduril can be firmware-upgradable. Users can benefit from ongoing improvements and new features by installing updates. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The HK04 XPL flashlight has ramping mode. Its user interface lets you control the brightness by pressing and holding a button. Designers created the strobe function to produce a disorienting or attention-grabbing effect. The SOS flashes Morse code so you can signal for help when needed.

Features, battery, protections

Battery3 x 18650 Li-Ion batteries
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes

The HK04 XPL flashlight utilizes 3 x 18650 Li-Ion batteries as its power source. The battery indicator prevents surprise power failures. USB rechargeable flashlights are more popular now. 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 "7" in the IPx7 rating shows that the flashlight can survive being submerged in water.

Accessories, package contents

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

The lanyard of the HK04 XPL protects the flashlight from accidental damage. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

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
  • strong flux
  • extremely bright
  • Anduril firmware
  • mode memory
  • ramping mode
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • waterproof


  • no auxiliary LEDs
  • non-magnetic


Haikelite HK04 XPL / HK04XPL photo 1.
Haikelite HK04 XPL / HK04XPL photo 2.
Haikelite HK04 XPL / HK04XPL photo 3.
Haikelite HK04 XPL / HK04XPL photo 4.
Haikelite HK04 XPL / HK04XPL photo 5.
Haikelite HK04 XPL / HK04XPL


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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.