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The Fenix TK16 is a 1000 lumen LED flashlight with a new and unique dual tactical switch. It’s the upgrade to the previous best-selling TK15 with a better design and functionality. The TK16 flashlight’s design, efficiency and wide-range of accessories make it one of the best tactical flashlights on the market.


Light Output and Runtime

The TK16 LED flashlight has 5 modes and outputs:

  • Turbo:
    • Runtime: 1 hour and 10 minutes
    • Output: 1000 lumens
  • High:
    • Runtime: 3 hours and 25 minutes
    • Output: 400 lumens
  • Mid
    • Runtime: 10 hours
    • Output: 150 lumens
  • Low
    • Runtime: 150 hours
    • Output: 10 lumens
  • Strobe
    • Output: 1000 lumens

Throw Distance

The Fenix TK16 LED flashlight has a longer than most, maximum throw distance of 787 feet or 240 meters - significantly further than other competitive flashlights.


It features a CREE XP-L HI V3 LED bulb with a 50,000 hour lifespan.

Design / Functionality

The TK16 has a unique dual tail switch: one for turning off and another one on an angle. The angle makes the switch very accessible with a over-hand grip and thumb.

You can press and hold the angled button for strobe.

The nerling on the body makes it good to grip and feels good in the hands.

Additional Features

  • Reverse polarity protection in case you put your batteries in reverse
  • Warning function for low-voltage: The Fenix TK16 will continually drop to signal
  • Intelligent memory: Remembers your last setting/mode before turning off

Size and Durability

The Fenix TK16 is very durable and made of aircraft-grade aluminum. Its finish is anti-abrasive and has a glass lens with anti-reflective coating.

Impact Resistance

There isn’t any record of reported impact resistance but it’s dual-spring battery design helps mitigate any damage on impact.

Waterproof / Water resistance

This Fenix LED flashlight is IPX-8 waterproof - meaning it’s good underwater for 2 meters and a duration of 30 minutes.

The IPX-8 standard usually indicates that the light is good in harsh weather conditions like heavy rain.



Length: 140 mm (5.5 inches) Diameter: 25 mm (1 inch) Head: 34 mm *1.3 inch

The flashlight weighs at 122 grams or 4.3 oz without battery.


This Fenix flashlight uses a 18650 type of battery. Non-rechargeable batteries are recommended by Fenix. Keep in mind that these are not included so you’ll have to buy them separately.

However, if you purcahse the bundle off Amazon you can buy it with two CR123A batteries together.

As long as you buy a non-rechargeable 18650 battery, you should be okay. Aim for a higher mAh value for longer runtimes between charges.

See below for Fenix’s battery recommendations:


  • Two CR123A batteries (bundle from Amazon)
  • Fenix TK16 Holster
  • Spare O-Ring

Conclusion: Our Fenix TK16 Review

If you’re looking for a dual-switch button tactical flashlight, we highly suggest the TK16. Along with the the nerling, the flashlight feels great to hold. While it does lack an SOS mode, the Fenix TK16 is incredibly bright at 1000 lumens durable enough for use under most harsh settings. Check out what other people are saying about the TK16 on Amazon!

Hurry and buy the Fenix TK16 today