Fireflies T9R SBT90.2 flashlight review

Luminus SBT90.2 LED
5200 lm output
420000 cd intensity
1 x 21700 Li-Ion battery

The Fireflies T9R SBT90.2 flashlight released in 2021. It uses Luminus SBT90.2 LED, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 5200 lm output, 420000 cd intensity, and a beam distance of 1296 m.

Keen to discover if the Fireflies's flashlight lives up to the hype? Keep reading!

Table of Contents

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. If you found an error or something lacking in the specifications for the Fireflies T9R SBT90.2, then tell us.

Fireflies T9R SBT90.2 / T9RSBT

The T9R SBT90.2 flashlight is a key tool in many situations. It's used for everyday tasks, outdoor adventures, emergencies, and professional work. 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. The flashlight is rechargeable easily via USB port.

Fireflies T9R SBT90.2 specifications

NameT9R SBT90.2
Rated 3 / 5 based on 1191 user votes.

The T9R SBT90.2 flashlight enhances safety. It illuminates hazards and improves visibility in low light.

Fireflies T9R SBT90.2 / 1

Body, materials, weight, colors

Weight199 g
Length167 mm
Body diameter26.5 mm
Head diameter65 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 199 g flashlight is slightly heavier than most handheld flashlights. But, it is still at a reasonable weight. The best flashlight size depends on personal preference. It also depends on intended use and the specific features you want. The aluminium body of the T9R SBT90.2 has a reputation for being durable and strong. It offers excellent resistance to impacts, scratches, and corrosion. Flashlight makers widely use HAIII coating. It is durable, resists corrosion, and improves grip. It also looks good. The T9R SBT90.2 flashlight is available in black.

Fireflies T9R SBT90.2 / 3

System, LED, lens, reflector

EmitterLuminus SBT90.2 LED
Color temperature5700 K
Lenstoughtened AR coated glass
Switchelectronic side

Luminus is a US-based LED manufacturer. In the lighting industry, it has gained recognition as reputable. Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. The T9R SBT90.2 has a smooth reflector. The right reflector focuses light well. It gives you a better hotspot, and it throws better. The coating is thin and applied to the lens surface. It cuts reflections and boosts light transmission. The flashlight has electronic switches. They have many benefits and extra features compared to mechanical switches.

Fireflies T9R SBT90.2 / 2

Performance, flux, intensity, throw

Flux5200 lm
Intensity420000 cd
Throw1296 m
CD/LM factor80.77

The T9R SBT90.2 flashlight has 5200 lm. It will provide an exceptionally bright and powerful beam of light. 420000 cd represents an extraordinarily high level of brightness. 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.

Fireflies T9R SBT90.2 / 6

Software, user interface, modes

Mode memoryyes
Ramping modeyes

The Anduril firmware is an open-source firmware developed for flashlights. The design offers advanced control and customization options. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. It stays in that mode when you turn it on again. The T9R SBT90.2's ramping mode is easy to use. It lets you smoothly change the output over its whole range. Designers created the strobe function to produce a disorienting or attention-grabbing effect. The SOS code starts three short signals. Then, three long signals follow. Finally, there are three short signals again.

Fireflies T9R SBT90.2 / 5

Features, battery, protections

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

The Fireflies T9R SBT90.2 flashlight is powered by 1 x 21700 Li-Ion battery. The battery indicator prevents surprise power failures. It ensures the flashlight is ready when needed. USB rechargeable flashlights are more popular now. They are popular because they are convenient and sustainable. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells.

The built-in thermal control adjusts brightness output to prevent overheating. The "6" in the IP66 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The IP66 rating indicates that the flashlight has a protection against water jets. The T9R SBT90.2 flashlight proudly boasts an exceptional impact resistance rating of 1 m.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the T9R SBT90.2 flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

Conclusion, pros and cons

This Fireflies 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
  • 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


  • no auxiliary LEDs
  • non-magnetic


Fireflies T9R SBT90.2 / T9RSBT photo 1.
Fireflies T9R SBT90.2 / T9RSBT photo 2.
Fireflies T9R SBT90.2 / T9RSBT photo 3.
Fireflies T9R SBT90.2 / T9RSBT photo 4.
Fireflies T9R SBT90.2 / T9RSBT photo 5.
Fireflies T9R SBT90.2 / T9RSBT photo 6.
Fireflies T9R SBT90.2 / T9RSBT photo 7.
Fireflies T9R SBT90.2 / T9RSBT

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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.
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