Astrolux EC01 SST40 (2020) review

Luminus SST40 LED
2300 lm output
41006 cd intensity
1 x 21700 Li-Ion battery

The Astrolux EC01 SST40 (EC01SST40) released in 2020. It uses Luminus SST40 LED, OP reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 2300 lm output, 41006 cd intensity, and a beam distance of 405 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 EC01 SST40 flashlight is rechargeable easily via USB port.

Table of contents:

Astrolux EC01 SST40 (EC01SST40) specifications

NameEC01 SST40
Rated 4/5 based on 811 user votes.


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

Weight119 g
Length120 mm
Head diameter37 mm
Materialaluminium alloy with HAIII hard-anodized finish


The emitter of EC01 SST40 manufactured by Luminus, a US-based LED manufacturer. The EC01 SST40 has an orange peel (OP) textured reflector. Orange peel reflectors have smoother beams.

EmitterLuminus SST40 LED
Color temperature5000 K, 6500 K
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.

Flux2300 lm
Intensity41006 cd
Throw405 m
CD/LM factor17.83


The EC01 SST40 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 EC01 SST40 is intuitive, and lets you seamlessly ramp the output up and down over almost the entire output range. The EC01 SST40 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 21700 Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1 m


The lanyard prevents accidental loss of the flashlight.

Package contents2 x spare o-rings

The performance of the Astrolux EC01 SST40 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 Astrolux EC01 SST40, then don’t hesite and signal the problem to us.

Astrolux EC01 SST40 (EC01SST40) pictures

Astrolux EC01 SST40 / EC01SST40 photo Astrolux EC01 SST40 / EC01SST40 photo Astrolux EC01 SST40 / EC01SST40 photo Astrolux EC01 SST40 / EC01SST40 photo Astrolux EC01 SST40 / EC01SST40 photo
Astrolux EC01 SST40 / EC01SST40

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