Convoy M21C SST40 flashlight review
The Convoy M21C SST40 flashlight was released in 2020. It uses Luminus SST40 LED, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 2300 lm output, 98000 cd intensity, and a beam distance of 626 m.
Want to find out if the Convoy M21C SST40 is good? Keep reading to know!
Table of Contents
- Convoy M21C 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.
The flashlight is a must-have tool for outdoor activities, it offers guidance and safety. This light has 4 modes of lighting. With mode memory, when you turn off the M21C SST40 and then turn it back on, it will activate the last used mode.
Convoy M21C SST40 specifications
| Brand | Convoy |
|---|---|
| Name | M21C SST40 |
| Type | M21CSST40 |
| Rating | |
| Launch | 2020 |
| Form | flashlight |
The M21C SST40 flashlight enhances safety.
Body, materials, weight, colors
| Weight | 275 g |
|---|---|
| Length | 163 mm |
| Body diameter | 28 mm |
| Head diameter | 55 mm |
| Material | aluminium alloy with HAIII hard-anodized finish |
| Colors | black sand titanium |
This 275 g flashlight is heavier than the average handheld flashlight. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. Aluminium is a lightweight material, which is beneficial for M21C SST40 flashlight. The body of M21C SST40 flashlight treated with a Type III hard-anodized, anti-abrasive finish. The M21C SST40 flashlight comes in many colors.
System, LED, lens, reflector
| Emitter | Luminus SST40 LED |
|---|---|
| Color temperature | 5000 K, 6500 K |
| Reflector | SMO |
| Lens | AR coated glass |
| Switch | mechanical rear, reverse clicky |
We know Luminus LEDs for their efficiency, brightness, color accuracy, and long lifespan. The color temperature choice depends on the light's use and personal taste. The M21C SST40 uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating of the lens helps to reduce reflections. The M21C 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. The rear switch of the M21C SST40 is usually operated with the thumb or finger.
Performance, flux, intensity, throw
| Flux | 2300 lm |
|---|---|
| Intensity | 98000 cd |
| Throw | 626 m |
| CD/LM factor | 42.61 |
The 2300 lm output of M21C SST40 provides great flexibility. The flashlight has 98000 cd. This light can illuminate objects or areas with great brightness and clarity. The throw distance is the farthest distance the flashlight can light an object. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.
Software, user interface, modes
| Modes | 4 modes |
|---|---|
| Mode memory | yes |
| Ramping mode | no |
| Strobe | no |
| SOS/Beacon | no |
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.
Features, battery, protections
| Battery | 1 x 21700 Li-Ion battery |
|---|---|
| Battery indicator | no |
| Charger port | no |
| LVP | yes |
| Thermal regulation | yes |
| AUX LEDs | no |
| Magnetic | no |
The M21C SST40 flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The M21C SST40 doesn't have charger port. LVP (Low Voltage Protection) is designed to protect the battery. The thermal protection feature helps prevent overheating.
Accessories, package contents
| Package contents | 2 x spare o-ring |
|---|
Instead of searching for matching O-rings, having spare O-rings allows quick fixes.
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.
Pros
- aluminium body
- body color options
- warm light
- AR coated lens
- tactical switch
- super bright
- multiple modes
- mode memory
- low-voltage protection
- thermal regulation
Cons
- no battery indicator
- no built-in charger
- no auxiliary LEDs
- non-magnetic
Photos
Comparisons
According to our statistics, the Convoy M21C SST40 flashlight was most often compared on our site with the following flashlights.
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Updated: April 23, 2024
