Sofirn IF25A 6500K flashlight review

4 x Luminus SST20 LEDs
4000 lm output
10000 cd intensity
1 x 21700 Li-Ion battery

The Sofirn IF25A 6500K flashlight was released in 2020. It uses 4 x Luminus SST20 LEDs, TIR reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 4000 lm output, 10000 cd intensity, and a beam distance of 200 m.

Curious to know if this Sofirn flashlight is top-notch? Stay tuned for the answer!

Table of Contents

  • Sofirn IF25A 6500K 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.

Sofirn IF25A 6500K / IF25A6500K

The IF25A 6500K flashlight is an essential tools for emergency preparedness. The IF25A 6500K flashlight recalls the last used mode. You can use the strobe function as a self-defense tool. The IF25A 6500K may also support other charging methods.

Sofirn IF25A 6500K specifications

NameIF25A 6500K
Rated 3 / 5 based on 1572 user votes.

This Sofirn flashlight offers portability, versatility, and reliability.

Sofirn IF25A 6500K / 4

Body, materials, weight, colors

Weight99 g
Length106.4 mm
Head diameter35 mm
Materialaluminium alloy with HAIII hard-anodized finish

The 99 g flashlight may not provide the same level of brightness or features as larger models. The best flashlight size depends on personal preference. The aluminium body of the IF25A 6500K has excellent thermal conductivity. HAIII is a specific anodizing process, it creates a thicker and harder oxide layer than regular anodizing. This flashlight features a captivating black color.

Sofirn IF25A 6500K / 1

System, LED, lens, reflector

Emitter4 x Luminus SST20 LEDs
Color temperature6500 K
Lenstoughtened AR coated glass
Switchelectronic side

Luminus has established a positive reputation as a reliable LED manufacturer. Warm, white light is generally more comfortable. The AR coating on the lens maximizes light transmission. The electronic switches may have a higher chance of standby drain.

Sofirn IF25A 6500K / 3

Performance, flux, intensity, throw

Flux4000 lm
Intensity10000 cd
Throw200 m
CD/LM factor2.5

The IF25A 6500K flashlight has 4000 lm. It will provide an exceptionally bright and powerful beam of light. The IF25A 6500K flashlight has 10000 cd, it provides a much brighter and more intense beam. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity. If accurate color is a priority for you, choose a flashlight with a CRI of 90 or above. A CRI of 70 can be enough for daily use.

Sofirn IF25A 6500K / 2

Software, user interface, modes

Mode memoryyes
Ramping modeyes

The Anduril firmware is popular among flashlight enthusiasts. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The ramping mode has an advantage. It offers precise control over the light amount emitted by the flashlight. 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 commonly used in outdoor adventures or survival scenarios.

Features, battery, protections

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

The IF25A 6500K flashlight's power source is 1 x 21700 Li-Ion battery. The battery indicator helps users check the battery status. The built-in charger allows for convenient and versatile charging. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Accessories, package contents

Package contentsUSB Type-C cable

Official sitehttps://sofirnlight.com/

Conclusion, pros and cons

This Sofirn 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
  • Anduril firmware
  • mode memory
  • ramping mode
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • waterproof


  • cool light
  • moderated CRI
  • no auxiliary LEDs
  • non-magnetic


Sofirn IF25A 6500K / IF25A6500K photo 1.
Sofirn IF25A 6500K / IF25A6500K photo 2.
Sofirn IF25A 6500K / IF25A6500K photo 3.
Sofirn IF25A 6500K / IF25A6500K photo 4.
Sofirn IF25A 6500K / IF25A6500K photo 5.
Sofirn IF25A 6500K / IF25A6500K


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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.