Lumintop BLF GT90 flashlight review

Luminus SBT90.2 LED
7000 lm output
1850000 cd intensity
8 x 18650 Li-Ion batteries

The Lumintop BLF GT90 flashlight was released in 2020. It uses Luminus SBT90.2 LED, SMO reflector and 8 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 7000 lm output, 1850000 cd intensity, and a beam distance of 2720 m.

Excited to learn if the BLF GT90 lives up to expectations? Read on!

Table of Contents

  • Lumintop BLF GT90 specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • 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.

Lumintop BLF GT90 / BLFGT90

The BLF GT90 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.

Lumintop BLF GT90 specifications

NameBLF GT90
Rated 4 / 5 based on 1505 user votes.

This Lumintop flashlight offers portability, versatility, and reliability.

Lumintop BLF GT90 / 3

Body, materials, weight, colors

Weight1800 g
Length315 mm
Head diameter135 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 1800 g flashlight is quite heavy for a handheld flashlight. The length of a flashlight can affect how it feels in your hand and how you can grip it. The aluminium body of the BLF GT90 has a reputation for being durable and strong. HAIII is a specific anodizing process, it creates a thicker and harder oxide layer than regular anodizing. The BLF GT90 flashlight comes in a stylish black color.

Lumintop BLF GT90 / 4

System, LED, lens, reflector

EmitterLuminus SBT90.2 LED
Color temperature5700 K
LensAR coated glass
Switchelectronic 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 BLF GT90 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.

Lumintop BLF GT90 / 1

Performance, flux, intensity, throw

Flux7000 lm
Intensity1850000 cd
Throw2720 m
CD/LM factor264.29

The BLF GT90 flashlight has 7000 lm. It will provide an exceptionally bright and powerful beam of light. 1850000 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.

Lumintop BLF GT90 / 2

Software, user interface, modes

Mode memoryyes
Ramping modeyes

NarsilM has a user-friendly interface. It allows for intuitive operation and navigation through modes and settings. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The BLF GT90'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 BLF GT90's SOS mode produces a specific sequence of long and short flashes.

Features, battery, protections

Battery8 x 18650 Li-Ion batteries
Battery indicatoryes
Charger portno
Thermal regulationyes

The Lumintop BLF GT90 flashlight is powered by 8 x 18650 Li-Ion batteries. The battery indicator helps users check the battery status. The BLF GT90 cannot charge batteries. You may need an external charger to keep your battery going. 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 "6" in the IP65 rating shows the level of protection. The IP65 rating indicates that the flashlight has a protection against water jets.

Official sitehttps://lumintop.com/

Conclusion, pros and cons

This Lumintop 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
  • AR coated lens
  • side switch
  • strong flux
  • extremely bright
  • NarsilM firmware
  • mode memory
  • ramping mode
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof


  • too heavy
  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic


Lumintop BLF GT90 / BLFGT90 photo 1.
Lumintop BLF GT90 / BLFGT90 photo 2.
Lumintop BLF GT90 / BLFGT90 photo 3.
Lumintop BLF GT90 / BLFGT90 photo 4.
Lumintop BLF GT90 / BLFGT90 photo 5.
Lumintop BLF GT90 / BLFGT90


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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.