Astrolux C8 SST40 flashlight review

Luminus SST40 LED
2200 lm output
95790 cd intensity
1 x 18650 Li-Ion battery

The Astrolux C8 SST40 flashlight was released in 2020. It uses Luminus SST40 LED, SMO reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 2200 lm output, 95790 cd intensity, and a beam distance of 619 m.

Curious if the C8 SST40 shines bright? You'll find out soon!

Table of Contents

  • Astrolux C8 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.

Astrolux C8 SST40 / C8SST40

The C8 SST40 flashlight is an essential tools for emergency preparedness. This light has 4/7 modes of lighting. The C8 SST40 flashlight recalls the last used mode.

Astrolux C8 SST40 specifications

NameC8 SST40
Rated 3 / 5 based on 1471 user votes.

Flashlights let you navigate in the dark. They help you find supplies and signal for help.

Astrolux C8 SST40 / 3

Body, materials, weight, colors

Weight151.8 g
Length143 mm
Body diameter25.6 mm
Head diameter44.5 mm
Materialaluminium alloy with HAIII hard-anodized finish

The C8 SST40 is generally comfortable to hold for a long time. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. The aluminium body of the C8 SST40 has excellent thermal conductivity. The HAIII coating is often matte or textured. The C8 SST40 offers an impressive assortment of captivating colors: black, silver.

Astrolux C8 SST40 / 1

System, LED, lens, reflector

EmitterLuminus SST40 LED
Color temperature5000 K, 6500 K
Lenstoughtened AR coated glass
Switchmechanical rear, reverse clicky

Luminus has established a positive reputation as a reliable LED manufacturer. Warm, white light is generally more comfortable. If you need long-range light, get a flashlight with a smooth reflector. The AR coating of the lens helps to reduce reflections. The C8 SST40 uses multiple switches. They allow for one-handed operation. Mechanical switches offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. A simple press or click of the rear switch turns the flashlight on or off.

Astrolux C8 SST40 / 5

Performance, flux, intensity, throw

Flux2200 lm
Intensity95790 cd
Throw619 m
CD/LM factor43.54

The 2200 lm output of C8 SST40 provides great flexibility. The 95790 cd flashlight is intensely bright. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

Astrolux C8 SST40 / 2

Software, user interface, modes

Modes4/7 modes
Mode memoryyes
Ramping modeno

A flashlight's modes are different output settings or brightness levels. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off.

Astrolux C8 SST40 / 4

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationno

The C8 SST40 flashlight's power source is 1 x 18650 Li-Ion battery. The C8 SST40 doesn't have charger port. LVP (Low Voltage Protection) is designed to protect the battery. This flashlight doesn't have built-in temperature control. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Accessories, package contents

Package contents2 x spare o-rings

Securing the flashlight with a lanyard frees up your hands for other tasks. When using spare O-rings, follow the maker's instructions.

Conclusion, pros and cons

This Astrolux 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
  • body color options
  • warm light
  • AR coated lens
  • tactical switch
  • super bright
  • multiple modes
  • mode memory
  • low-voltage protection
  • waterproof


  • no battery indicator
  • no built-in charger
  • no thermal regulation
  • no auxiliary LEDs
  • non-magnetic


Astrolux C8 SST40 / C8SST40 photo 1.
Astrolux C8 SST40 / C8SST40 photo 2.
Astrolux C8 SST40 / C8SST40 photo 3.
Astrolux C8 SST40 / C8SST40 photo 4.
Astrolux C8 SST40 / C8SST40 photo 5.
Astrolux C8 SST40 / C8SST40 photo 6.
Astrolux C8 SST40 / C8SST40


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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.