Fenix TK20R UE Rechargeable Tactical Flashlight

TK20R UE is a tactical flashlight featuring incredible performance with the ability to throw a maximum of 2800 lumens with a beam distance of up to 465 meters. Quickly and easily operate this lights multiple outputs and multiple modes by using the patented FlexiSensa Control. Designed with military and law enforcement professionals in mind, the Fenix TK20R UE features tactical and duty modes plus the patented dual-function tactical switch. Perfect for professional use, security, and law enforcement, you can count on the TK20R UE to deliver reliable, powerful lighting for various situations.



  • 2800 lumens maximum output; 465 meters maximum beam distance.
  • One Luminus SFT70 LED with a lifespan of 50,000 hours.
  • Powered by one rechargeable Fenix ARB-L21-5000 V2.0 battery.
  • Patented FlexiSensa Control switch for fast and single-handed operation.
  • Tactical and Duty modes for flexibly needed choice.
  • Hidden USB Type-C charging port.
  • Made of durable A6061-T6 aluminum.
  • Premium type HAIII hard-anodized anti-abrasive finish.

Technical Parameters

Tactical ModeDuty Mode
ANSI/PLATO FL1TurboStrobeTurboHighMediumLow
OUTPUT2800 Lumens2800 Lumens2800 Lumens1000 Lumens350 Lumens30 Lumens
MAX RUNTIME3h*/3h*3h 15min9h40h
MAX DISTANCE465m (1525ft)/465m (1525ft)275m (902ft)165m (541ft)45m (147ft)
MAX INTENSITY53880cd/53880cd17880cd5900cd490cd

Note: The above specifications are from the results produced by Fenix through its laboratory testing using the Fenix ARB-L21-5000 V2.0 battery, under the temperature of 21±3°C and humidity of 50% – 80%. The true performance of this product may vary according to different working environments and the actual battery used.

*The Turbo output is measured in total of runtime including output at reduced levels due to temperature or protection mechanism in the


  • Included: ARB-L21-5000 V2.0 rechargeable battery


  • Length: 153.7 mm
  • Width: 34 mm
  • Diameter: 25.4 mm


  • 135 g (excluding battery)

Included with Your Light

  • Fenix TK20R UE flashlight
  • ARB-L21-5000 V2.0 battery
  • Type-C charging cable
  • Holster
  • Lanyard
  • 2 x Spare O-rings
  • User manual & Warranty card


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