
Wurkkos WK20S (2019) review
The Wurkkos WK20S (WK20S) released in 2019. It uses Cree XHP35 HD LED, OP reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 2000 lm output, 22500 cd intensity, and a beam distance of 300 m.
This light has 4 modes of lighting. The memory function is a nice feature, the light will remember the last used mode.
Table of contents:
Wurkkos WK20S (WK20S) specifications
Brand | Wurkkos |
---|---|
Name | WK20S |
Type | WK20S |
Rating | |
Launch | 2019 |
Form | flashlight |
Body
The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.
Weight | 178.5 g |
---|---|
Length | 144 mm |
Body diameter | 25 mm |
Head diameter | 40 mm |
Material | aluminium alloy with HAIII hard-anodized finish |
Colors | black |
System
The emitter of WK20S manufactured by Cree, a US-based LED manufacturing company. The WK20S has an orange peel (OP) textured reflector. Orange peel reflectors have smoother beams. It has an AR coated lens.
Emitter | Cree XHP35 HD LED |
---|---|
Color temperature | 5000 K |
Reflector | OP |
Lens | toughtened AR coated glass |
Switch | electronic side |
Performance
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.
Flux | 2000 lm |
---|---|
Intensity | 22500 cd |
Throw | 300 m |
CD/LM factor | 11.25 |
Software
The WK20S 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.
Modes | 4 modes |
---|---|
Mode memory | yes |
Ramping mode | no |
Strobe | no |
SOS/Beacon | no |
Features
The WK20S cannot charge batteries directly. You may need an external charger to keep your battery going. 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.
Battery | 1 x 18650 Li-Ion battery |
---|---|
Battery indicator | no |
Charger port | no |
LVP | yes |
Thermal regulation | yes |
Protection | IPx8 |
AUX LEDs | no |
Magnetic | no |
Accessories
The lanyard prevents accidental loss of the flashlight.
Package contents | 2 x spare o-rings lanyard |
---|
The performance of the Wurkkos WK20S 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 Wurkkos WK20S, then don’t hesite and signal the problem to us.
Wurkkos WK20S (WK20S) pictures

Wurkkos WK20S (WK20S) comparisons
According to our statistics, the Wurkkos WK20S flashlight was most often compared on our site with the following flashlights.

Wurkkos WK20S

Fenix E35 V3.0

Wurkkos WK20S

Lumintop PK21

Wurkkos WK20S

Wurkkos TS10

Wurkkos WK20S

Nitecore Ci7
If there’s information about the Wurkkos WK20S that you would like to see on this site, then write to us.