Sofirn SC31 Pro (2020) review

Luminus SST40 LED
2000 lm output
10000 cd intensity
1 x 18650 Li-Ion battery

The Sofirn SC31 Pro (SC31PRO) 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 2000 lm output, 10000 cd intensity, and a beam distance of 200 m.

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. The SC31 Pro flashlight is rechargeable easily via USB port.

Table of contents:

Sofirn SC31 Pro (SC31PRO) specifications

NameSC31 Pro
Rated 3/5 based on 849 user votes.


The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.

Weight59 g
Length117.5 mm
Head diameter25.4 mm
Materialaluminium alloy with HAIII hard-anodized finish


The emitter of SC31 Pro manufactured by Luminus, a US-based LED manufacturer. The SC31 Pro has a smooth reflector. The properly focused smooth reflector gives you a more cohesive hotspot and therefore throws better. It has an AR coated lens.

EmitterLuminus SST40 LED
Color temperature5000 K, 6500 K
LensAR coated glass
Switchelectronic side


The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam. Well-focused spot beams can be over 100 cd/lm, tactical flashlights are typically between 20-100 cd/lm, and work lights are less than 10 cd/lm.

Flux2000 lm
Intensity10000 cd
Throw200 m
CD/LM factor5


The SC31 Pro has mode memory. Mode memory means that the light will remember the mode you were using when the light was last turned off, and when you turn it on again. The ramping mode of the SC31 Pro is intuitive, and lets you seamlessly ramp the output up and down over almost the entire output range. The SC31 Pro is tactical strobe ready. The strobe light is disorienting to the person it is aimed at which makes it difficult for them to concentrate. It has the SOS beacon function for an emergency situation. The SOS flashes Morse code so you can signal for help when needed.

Mode memoryyes
Ramping modeyes


The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight can charge the battery with an integrated charger, and it works with any USB power source. This flashlight has a built-in low voltage protection (LVP) to prevent damage to the cell from over-discharge, so protected cells are not necessary. The built-in thermal control automatically adjusts brightness output to prevent overheating.

Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1 m


The clip is useful to keep the light secured in your pocket. The lanyard prevents accidental loss of the flashlight.

Package contentsUSB Type-C cable

The performance of the Sofirn SC31 Pro flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Sofirn SC31 Pro, then don’t hesite and signal the problem to us.

Sofirn SC31 Pro (SC31PRO) pictures

Sofirn SC31 Pro / SC31PRO photo Sofirn SC31 Pro / SC31PRO photo Sofirn SC31 Pro / SC31PRO photo Sofirn SC31 Pro / SC31PRO photo
Sofirn SC31 Pro / SC31PRO

Sofirn SC31 Pro (SC31PRO) comparisons

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