Haikelite HK04 SST40 flashlight review
The Haikelite HK04 SST40 flashlight was released in 2019. It uses 4 x Luminus SST40 LEDs, SMO reflector and 3 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 9000 lm output, 180625 cd intensity, and a beam distance of 850 m.
Want to know if the Haikelite made a really good flashlight? You'll find out by the end of our article!
Table of Contents
- Haikelite HK04 SST40 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.
The HK04 SST40 flashlight is an essential tools for emergency preparedness. 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. This USB rechargeable flashlight eliminates the need for disposable batteries.
Haikelite HK04 SST40 specifications
| Brand | Haikelite |
|---|---|
| Name | HK04 SST40 |
| Type | HK04SST40 |
| Rating | |
| Launch | 2019 |
| Form | flashlight |
This Haikelite flashlight is compact and handheld.
Body, materials, weight, colors
| Weight | 370 g |
|---|---|
| Length | 140 mm |
| Body diameter | 46 mm |
| Head diameter | 56 mm |
| Material | aluminium alloy with HAIII hard-anodized finish |
| Colors | black brown |
This 370 g flashlight might feel relatively heavy if held in hand. The length of a flashlight can affect how it feels in your hand and how you can grip it. The aluminium body of the HK04 SST40 has a reputation for being durable and strong. The HAIII process makes a hard and wear-resistant surface on the aluminum. The HK04 SST40 flashlight is available in assorted colors: black, brown.
System, LED, lens, reflector
| Emitter | 4 x Luminus SST40 LEDs |
|---|---|
| Color temperature | 5000 K, 6500 K |
| Reflector | SMO |
| Lens | toughtened AR coated glass |
| Switch | electronic side |
Luminus is a US-based LED manufacturer. In the lighting industry, it has gained recognition as reputable. Color temperature is used to quantify the color appearance of light sources. The HK04 SST40 has a smooth reflector. It gives you a better hotspot, and it throws better. The AR coating reduces the loss of light due to reflections, allowing more light to pass through the lens. The flashlight has electronic switches.
Performance, flux, intensity, throw
| Flux | 9000 lm |
|---|---|
| Intensity | 180625 cd |
| Throw | 850 m |
| CD/LM factor | 20.07 |
The HK04 SST40 flashlight has 9000 lm. It will provide an exceptionally bright and powerful beam of light. 180625 cd represents an extremely high level of brightness for a flashlight. 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.
Software, user interface, modes
| Firmware | Anduril |
|---|---|
| Mode memory | yes |
| Ramping mode | yes |
| Strobe | yes |
| SOS/Beacon | yes |
The Anduril firmware is an open-source firmware developed for flashlights. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The HK04 SST40's ramping mode is easy to use. It lets you smoothly change the output over its whole range. You can use Strobe for signaling purposes. It can also be used for self-defense or to attract attention in emergency situations. The HK04 SST40's SOS mode produces a specific sequence of long and short flashes.
Features, battery, protections
| Battery | 3 x 18650 Li-Ion batteries |
|---|---|
| Battery indicator | yes |
| Charger port | USB Type-C |
| LVP | yes |
| Thermal regulation | yes |
| Protection | IPx7 |
| AUX LEDs | no |
| Magnetic | no |
The Haikelite HK04 SST40 flashlight is powered by 3 x 18650 Li-Ion batteries. The battery indicator helps users check the battery status. The built-in charger allows for convenient and versatile charging. The flashlight detects when the battery's voltage has dropped to a certain level. 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 contents | 2 x spare o-rings USB Type-C cable lanyard |
|---|
Securing the flashlight with a lanyard frees up your hands for other tasks. Replacing worn or damaged O-rings helps a lot.
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.
Pros
- aluminium body
- body color options
- warm light
- AR coated lens
- side switch
- strong flux
- super bright
- Anduril firmware
- mode memory
- ramping mode
- tactical strobe
- SOS/beacon function
- battery indicator
- USB charger
- low-voltage protection
- thermal regulation
- waterproof
Cons
- no auxiliary LEDs
- non-magnetic
Photos
Comparisons
According to our statistics, the Haikelite HK04 SST40 flashlight was most often compared on our site with the following flashlights.
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Updated: April 23, 2024
