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Sofirn

Sofirn SP33 flashlight review

Cree XP-L HI LED
1080 lm output
8100 cd intensity
1 x 18650 Li-Ion battery

The Sofirn SP33 flashlight was released in 2017. It uses Cree XP-L HI LED, SMO reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 1080 lm output, 8100 cd intensity, and a beam distance of 180 m.

Wondering if this Sofirn flashlight is awesome? Stick around until the end of our article!

Table of Contents

  • Sofirn SP33 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 SP33 / SP33

The SP33 is an impressive flashlight that offers both power and reliability. This light has 5 modes of lighting. 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.

Sofirn SP33 specifications

BrandSofirn
NameSP33
TypeSP33
Rating
Rated 3 / 5 based on 1514 user votes.
Launch2017
Formflashlight

This Sofirn flashlight is compact and handheld.

Sofirn SP33 / 1

Body, materials, weight, colors

Weight70.8 g
Length124 mm
Body diameter31.5 mm
Head diameter36 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

The flashlight is lightweight and easy to handle for most people. A smaller flashlight is easier to carry in a pocket, bag, or pouch. The aluminium body of the SP33 has a reputation for being durable and strong. The HAIII process makes a hard and wear-resistant surface on the aluminum. The SP33 flashlight is available in black.

Sofirn SP33 / 2

System, LED, lens, reflector

EmitterCree XP-L HI LED
Color temperature5500 K
ReflectorSMO
Lenstoughtened AR coated glass
Switchelectronic side

Cree is a US-based LED manufacturer. It is well-regarded for its high-quality products and innovation in lighting. Color temperature is used to quantify the color appearance of light sources. The SP33 has a smooth reflector. It gives you a better hotspot, and it throws better. The AR coating is thin and applied to the lens surface. The flashlight has electronic switches.

Sofirn SP33 / 4

Performance, flux, intensity, throw

Flux1080 lm
Intensity8100 cd
Throw180 m
CD/LM factor7.5

With 1080 lm, the SP33 flashlight will offer a brighter and more powerful beam of light. The SP33 flashlight has 8100 cd, it provides a much brighter and more intense beam. 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.

Sofirn SP33 / 3

Software, user interface, modes

Modes5 modes
Mode memoryyes
Ramping modeno
Strobeyes
SOS/Beaconno

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. Strobe mode on SP33 flashlight produces a rapid, repeated flashing of light.

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portno
LVPyes
Thermal regulationyes
ProtectionIP68
AUX LEDsno
Magneticno

The Sofirn SP33 flashlight is powered by 1 x 18650 Li-Ion battery. The battery indicator shows the remaining power level of the flashlight's battery. The SP33 cannot charge batteries. You may need an external charger to keep your battery going. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge. The built-in thermal control adjusts brightness output to prevent overheating.

The "6" in the IP68 rating shows the level of protection. The "8" in the IP68 rating means the highest level of protection.

Accessories, package contents

Package contents2 x spare o-rings
lanyard

Attaching a lanyard to your SP33 flashlight provides an additional layer of security. Replacing worn or damaged O-rings helps a lot.

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.

Pros

  • lightweight
  • aluminium body
  • AR coated lens
  • side switch
  • adequate performance
  • multiple modes
  • mode memory
  • tactical strobe
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof

Cons

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

Photos

Sofirn SP33 / SP33 photo 1.
Sofirn SP33 / SP33 photo 2.
Sofirn SP33 / SP33 photo 3.
Sofirn SP33 / SP33 photo 4.
Sofirn SP33 / SP33 photo 5.
Sofirn SP33 / SP33

Comparisons

According to our statistics, the Sofirn SP33 flashlight was most often compared on our site with the following flashlights.

If there’s information about the Sofirn SP33 that you would like to see on this site, then write to us.

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.