Noctigon K1 SBT90.2 flashlight review

Luminus SBT90.2 LED
4500 lm output
420000 cd intensity
1 x 21700 Li-Ion battery

The Noctigon K1 SBT90.2 flashlight was released in 2020. It uses Luminus SBT90.2 LED, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 4500 lm output, 420000 cd intensity, and a beam distance of 1296 m.

Excited to find out if this Noctigon flashlight is worth it? Keep scrolling!

Table of Contents

  • Noctigon K1 SBT90.2 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.

Noctigon K1 SBT90.2 / K1SBT902

The K1 SBT90.2 flashlight is an essential tools for emergency preparedness. With mode memory, when you turn off the K1 SBT90.2 and then turn it back on, it will activate the last used mode. The strobe function produces a high-frequency flashing light pattern. This USB rechargeable flashlight has become popular.

Noctigon K1 SBT90.2 specifications

NameK1 SBT90.2
Rated 4 / 5 based on 1324 user votes.

This Noctigon flashlight is compact and handheld.

Noctigon K1 SBT90.2 / 2

Body, materials, weight, colors

Weight318 g
Length173 mm
Body diameter26.5 mm
Head diameter72 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 318 g flashlight might feel relatively heavy if held in hand. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. Aluminium is a lightweight material, which is beneficial for K1 SBT90.2 flashlight. The HAIII process makes a hard and wear-resistant surface on the aluminum. The K1 SBT90.2 flashlight comes in many colors.

Noctigon K1 SBT90.2 / 1

System, LED, lens, reflector

EmitterLuminus SBT90.2 LED
Color temperature6500 K
Lenstoughtened AR coated glass
Switchelectronic side

We know Luminus LEDs for their efficiency, brightness, color accuracy, and long lifespan. The color temperature choice depends on the light's use and personal taste. The K1 SBT90.2 uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating of the lens helps to reduce reflections. Some flashlights with electronic switches have programmable features.

Performance, flux, intensity, throw

Flux4500 lm
Intensity420000 cd
Throw1296 m
CD/LM factor93.33

The K1 SBT90.2 flashlight has 4500 lm. It will provide an exceptionally bright and powerful beam of light. The Noctigon flashlight has 420000 cd. The throw distance is the farthest distance the flashlight can light an object. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.

Software, user interface, modes

Mode memoryyes
Ramping modeyes

Users know Anduril firmware for its user-friendly interface and extensive feature set. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The K1 SBT90.2 flashlight has ramping mode. Its user interface lets you control the brightness by pressing and holding a button. You can use Strobe for signaling purposes. It can also be used for self-defense or to attract attention in emergency situations. The SOS signal is an international distress call.

Features, battery, protections

Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1 m

The K1 SBT90.2 flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The battery indicator helps users check the battery status. The built-in charger allows for convenient and versatile charging. LVP (Low Voltage Protection) is designed to protect the battery. The thermal protection feature helps prevent overheating. The "6" in the IP67 rating shows the level of protection. The "7" in the IP67 rating shows that the flashlight can survive being submerged in water. A flashlight's impact resistance can vary. It depends on its design, construction, and intended use.

Accessories, package contents

Package contents2 x spare o-rings
spare rubber cover

The package includes a holster, it is designed to protectively store your flashlight. Securing the flashlight with a lanyard frees up your hands for other tasks. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

Official sitehttps://intl-outdoor.com/

Conclusion, pros and cons

This Noctigon 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
  • dust protected
  • waterproof
  • protective holster


  • cool light
  • no auxiliary LEDs
  • non-magnetic


Noctigon K1 SBT90.2 / K1SBT902 photo 1.
Noctigon K1 SBT90.2 / K1SBT902 photo 2.
Noctigon K1 SBT90.2 / K1SBT902 photo 3.
Noctigon K1 SBT90.2 / K1SBT902


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Updated: June 30, 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.