Fenix TK20R UE: Tactical Flashlight

Luminus SFT70 LED
2800 lm output
53880 cd intensity
1 x 21700 Li-Ion battery

The Fenix TK20R UE (TK20RUE) released in 2023. It uses Luminus SFT70 LED, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 2800 lm output, 53880 cd intensity, and a beam distance of 464 m.

The TK20R UE is a powerful and reliable flashlight. It has impressive illumination and durable construction. It is an exceptional lighting tool, it works in many situations and environments. This light has 4 modes of lighting. The TK20R UE flashlight recalls the last used mode. So, you don't need to access higher brightness levels unless you need to. You can use the strobe function as a self-defense tool. It provides a non-lethal way to deter or disorient attackers. The flashlight uses rechargeable batteries. You can recharge them with a USB cable connected to a power source.

Fenix TK20R UE (TK20RUE) pictures

Fenix TK20R UE / TK20RUE photo 1.
Fenix TK20R UE / TK20RUE photo 2.
Fenix TK20R UE / TK20RUE photo 3.
Fenix TK20R UE / TK20RUE photo 4.
Fenix TK20R UE / TK20RUE

We base the specifications below on the official data published by the manufacturer, while also considering user reviews. If you found an error or something lacking in the specifications for the Fenix TK20R UE, then tell us.

Fenix TK20R UE (TK20RUE) specifications

NameTK20R UE
Rated 3 / 5 based on 260 user votes.

This Fenix flashlight offers portability, versatility, and reliability in providing illumination.


Weight135 g
Length153.7 mm
Body diameter25.4 mm
Head diameter34 mm
Materialaluminium alloy with HAIII hard-anodized finish
city gray

The TK20R UE is generally comfortable to hold for a long time. It is also easy to carry in pockets or bags. A balanced flashlight has even weight. It can be more comfortable to hold for longer and reduce hand fatigue. Aluminium is a lightweight material, which is beneficial for TK20R UE flashlight. The body of TK20R UE flashlight treated with a Type III hard-anodized, anti-abrasive finish. The TK20R UE offers an impressive assortment of captivating colors: camo, city gray, tan, tropic.


EmitterLuminus SFT70 LED
Color temperature6000 K
Lenstoughtened AR coated glass
Switchmechanical rear, rotary rear

Luminus has established a positive reputation as a reliable LED manufacturer. Warm, white light is generally more comfortable. It's also less harsh on the eyes than cool, white light. If you need long-range light, get a flashlight with a smooth reflector. It will have more throw distance. The AR coating of the lens helps to reduce these reflections. It does this by changing the lens surface's refractive index.

The TK20R UE uses multiple switches. The switches' placement and design determine this. They allow for one-handed operation. Mechanical switches often offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. The rear switch of the TK20R UE is usually operated with the thumb or finger. This makes it easy to reach and use.


Flux2800 lm
Intensity53880 cd
Throw464 m
CD/LM factor19.24

The 2800 lm output of TK20R UE provides great flexibility. You can adjust the brightness to fit different needs. The 53880 cd flashlight is intensely bright. It can provide great visibility and boost safety in low-light or dark places. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity. It compares this to its total luminous flux or output.


Modes4 modes
Mode memoryyes
Ramping modeno

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. It stays in that mode when you turn it on again. The TK20R UE flashlight has a strobe function. It produces a rapid, repetitive flashing of light.


Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1.5 m

The TK20R UE flashlight's power source is 1 x 21700 Li-Ion battery. It provides reliable, long-lasting energy for top performance. A battery indicator lets users see the battery status. It helps them decide when to recharge or replace the battery. A flashlight's USB charger can be very useful. This is especially true in emergencies. In such situations, access to power outlets may be limited. LVP (Low Voltage Protection) is designed to protect the battery. It stops over-discharging, which can reduce battery life or cause permanent damage.

The thermal protection feature helps prevent overheating. Overheating can harm the flashlight's performance, battery, and safety. The "6" in the IP68 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The flashlight has an IP68 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period. The manufacturer specifies this. This flashlight has an impressive impact resistance rating of 1.5 m. It is built to endure accidental drops or impacts.


Package contents2 x spare o-rings
21700 battery
USB Type-C cable
nylon holster

The included battery is picked to match the power needs of the TK20R UE flashlight. This ensures reliable and efficient operation. The package includes a holster. It is designed to protectively store your flashlight. When gripping the flashlight with the lanyard around your wrist, it gives a more secure hold. It also gives a more stable hold. When using spare O-rings, follow the maker's instructions. Use their guidelines for proper installation.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the Fenix TK20R UE flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

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