Convoy S11 SST40 flashlight review

Luminus SST40 LED
2300 lm output
12100 cd intensity
1 x 26650 Li-Ion battery

The Convoy S11 SST40 flashlight was released in 2019. It uses Luminus SST40 LED, SMO reflector and 1 x 26650 Li-Ion battery. The powerful emitter in this flashlight provides up to 2300 lm output, 12100 cd intensity, and a beam distance of 220 m.

Want to know if the S11 SST40 is a game-changer? Stay with us!

Table of Contents

  • Convoy S11 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.

Convoy S11 SST40 / S11SST40

The flashlight is a must-have tool for outdoor activities, it offers guidance and safety. This light has 4/12 modes of lighting. The S11 SST40 flashlight recalls the last used mode.

Convoy S11 SST40 specifications

NameS11 SST40
Rated 3 / 5 based on 1531 user votes.

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

Convoy S11 SST40 / 5

Body, materials, weight, colors

Weight171 g
Length139 mm
Body diameter33 mm
Head diameter33 mm
Materialaluminium alloy with HAIII hard-anodized finish

The S11 SST40 is generally comfortable to hold for a long time. The best flashlight size depends on personal preference. The aluminium body of the S11 SST40 has excellent thermal conductivity. The HAIII coating is often matte or textured. The S11 SST40 offers an impressive assortment of captivating colors: black, blue, sand, silver, titanium.

Convoy S11 SST40 / 2

System, LED, lens, reflector

EmitterLuminus SST40 LED
Color temperature5000 K, 6500 K
LensAR coated glass
Switchmechanical rear, forward 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 on the lens maximizes light transmission. The S11 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.

Convoy S11 SST40 / 3

Performance, flux, intensity, throw

Flux2300 lm
Intensity12100 cd
Throw220 m
CD/LM factor5.26

The 2300 lm output of S11 SST40 provides great flexibility. The S11 SST40 flashlight has 12100 cd, it can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

Convoy S11 SST40 / 4

Software, user interface, modes

Modes4/12 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.

Convoy S11 SST40 / 1

Features, battery, protections

Battery1 x 26650 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationyes

The S11 SST40 flashlight's power source is 1 x 26650 Li-Ion battery. The S11 SST40 doesn't have charger port. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating. The "7" in the IPx7 rating shows that the flashlight can survive being submerged in water.

Accessories, package contents

Package contentslanyard

The lanyard of the S11 SST40 protects the flashlight from accidental damage.

Conclusion, pros and cons

This Convoy 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
  • multiple modes
  • mode memory
  • low-voltage protection
  • thermal regulation
  • waterproof


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


Convoy S11 SST40 / S11SST40 photo 1.
Convoy S11 SST40 / S11SST40 photo 2.
Convoy S11 SST40 / S11SST40 photo 3.
Convoy S11 SST40 / S11SST40 photo 4.
Convoy S11 SST40 / S11SST40 photo 5.
Convoy S11 SST40 / S11SST40 photo 6.
Convoy S11 SST40 / S11SST40


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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.