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Fenix TK16 V2.0 Custom Engraved Flashlight

$132.00 $89.95

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Product Overview

The Fenix TK16 V2.0 is a tactical flashlight featuring incredible performance by throwing a maximum 3100 lumens 1247 feet (380m). Quickly and easily operate the light, and choose between six lighting modes, by using the dual tactical tail switches. It’s durable and rugged with an IP68 dustproof and waterproof rating, plus the stainless steel strike bezel includes tungsten steel breaking tips. Powered by an included rechargeable 5000mAh li-ion battery make the Fenix TK16 V2.0 flashlight your go-to tool for long-lasting tactical performance.


Max Lumens: 3100
Max Beam Distance: 1247 feet (380 meters)
Max Runtime: 43 hours 20 min.
Lighting Modes: 5 brightness levels, and strobe
Bulb Type: One Luminus SST70 LED
Size: Length: 5.63” (143mm) Head: 1.34” (34mm) Body: 1.0” (25.4mm)
Weight: 3.95 oz. (112g) excluding battery
Battery: One included 21700 rechargeable li-ion battery
Included: Fenix ARB-L21-5000U rechargeable li-ion battery, USB Type-C charging cable, lanyard, holster, spare O-ring
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

More Information

  • One Luminus SST70 LED with a lifespan of 50,000 hours.
  • Advanced Pulse-Frequency Transmission System (APF).
  • Instant activation and strobe with the dual tactical tail switches.
  • Stainless steel strike bezel with inlaid tungsten steel breaking tips.
  • Toughened ultra-clear glass lens with an anti-reflective coating.
  • Made of durable A6061-T6 aluminum.
  • Premium type HAIII hard-anodized anti-abrasive finish.
Fenix TK16 V2.0 Custom Engraved Flashlight specs chart


Fenix TK16 V2.0 Custom Engraved Flashlight runtime chart

Switches of the Fenix TK16 V2.0 Tactical Flashlight 

The round tail switch is the tactical switch for instant activation. 


The oval tail switch is the functional switch for output selection and instant strobe. 


On/off Tap the tactical switch to silently and momentarily turn on the light, release the light will go out. 


Fully press the tactical switch to constantly turn on the light, press again the light will go out. 


Output Selection 

With the light switched on, single click the functional switch to cycle through Eco→Low→Med→High→Turbo. 



With the light switched on, press and hold the functional switch for 0.5 seconds to enter strobe, click the functional switch once again to turn back to the general mode. 


With the light switched off, press the functional switch to enter strobe, release the light will go out. 


Intelligent Memory Circuit 

The light memorizes the last selected output excluding strobe. When turned on again the previously used output of general mode will be recalled. 


Intelligent Overheat Protection 

The light will accumulate a lot of heat when used on Turbo output levels for extended periods. When the light reaches a temperature of 60°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 60°C, it will then allow the user for the reselection of Turbo mode. 


Low-voltage Warning 

When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower brightness level until Eco output is reached. When this happens in Eco output mode, the light blinks 3 times every 5 minutes to remind you to timely recharge or replace the battery. 



Remove the battery from the TK16 V2.0 and plug the included charging cord into the port on the battery, with the other end plugged into a USB wall brick. 


Usage and Maintenance of the Fenix TK16 V2.0 Tactical Flashlight 

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using an excellent quality battery.
  • If the light will not be used for an extended period, remove the battery, or the light could be damaged by electrolyte leakage or battery explosion.
  • Unscrew the light tail or take out the battery to prevent accidental activation during storage or transportation.
  • Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare.
  • Periodic cleaning of the battery contacts improves the light's performance as dirty contacts may cause the light to flicker, shine intermittently or even fail to illuminate for the following reasons:
    A: The battery needs replacing. 
    Solution: Replace battery (Ensure battery is inserted according to the manufacturer’s specifications).
    B: The threads, PCB board contact or other contacts are dirty. 
    Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.
    C: Use incompatible 21700 battery or the first-generation Fenix ARB-L21-5000 battery. 
    Solution: Use the designated Fenix ARB-L21-5000U, or Fenix ARB-L21-4000P battery.

If the above methods don't work, please contact your authorized distributor. 



  • This flashlight is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the flashlight directly into anyone's eyes.
  • This flashlight will accumulate a lot of heat when used for extended periods, resulting in high temperature of the flashlight shell. Pay attention to safe use to avoid scalding.
  • All information provided in this manual is subject to change without prior notice.

Q1. What are the key features and benefits of TK16 V2.0?

A:  1. Advanced Pulse-Frequency Transmission System (APF)

2. Instant activation and strobe with the dual tactical tail switches.

3. Stainless steel strike bezel inlaid tungsten steel breaking tips.

4. Toughened ultra-clear glass lens with an anti-reflective coating.


Q2. What kind of LED is used in TK16 V2.0? And what are the beam angles?

A: LED: Luminus SST70 LED

Beam angles: spot beam angle - 11°, spill beam angle - 65°.


Q3. Does TK16 V2.0 have overheated protection?

A: Yes. The light will accumulate a lot of heat when used on Turbo output level for extended periods. When the light reaches a temperature of 60°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 60°C, it will then allow the user for the reselection of Turbo mode.


Q4. What battery does the TK16 V2.0 support?

A: It supports the designated Fenix ARB-L21-5000U, or Fenix ARB-L21-4000P battery.


Q5. Can I bring the TK16 V2.0 on a plane?

A.  Apparently it seems to depend on the TSA Agent/Airport.  While our employees have not encountered an issue, we have received a report of TSA requiring the light be in checked bags due to the glass breaking tips.    As such, we highly recommend that you place the TK16 V2.0 into checked bags as a precaution in the event you encounter a TSA agent that will not allow it on the plane.   We would hate to have you lose the light to TSA. 


Q6. What is the APF?

A:The APF (Advanced Pulse-Frequency Transmission System) was developed by the Fenix ​​laboratory, a major technology breakthrough in flashlight industry, allowing the tactical flashlight achieve a higher level of performance:

1. Takes light to the extreme. Traditional forward switches are limited by current, and it is difficult to achieve brightness above 2000 lumens. In the age of 21700 batteries gradually expanding, 3100 lumens tactical flashlights are almost impossible, whereas a flashlight using APF technology can reach these higher lumen levels.

2. Makes the functional tail cap simpler. Traditional multi-function tail caps need to achieve functionality through the double-layer body or additional channels. A flashlight using APF technology offers a strong reliable flashlight in a simple structure, specifically, a single layer body.


Q6. What should I do if the TK16 V2.0 needs repair?

A: 1. 15-day replacement: Fenix will replace identical or equal products with documented manufacturing defects within 15 days of purchase.

2. 2-year free repair: Fenix will repair a light free of charge within 2 years of purchase if problems develop with normal use.

3. Lifetime maintenance: If repair is required after 2 years from the date of purchase, Fenix will charge for parts. The total repair fee is dictated by the cost of the replaced materials.

4. If you need warranty service, fill out the warranty form at https://www.fenixlighting.com/pages/warranty-repairs to start your repair claim.

Product Videos

Customer Reviews

Based on 80 reviews
Ruben Salazar
Light On

Best flash light. Super quality and tactical features for on the job and personal use.

Third Custom Engraved Flashlight - Perfect!

An engraved TK 16 V2.0 proved to be the perfect gift for a client of mine who is a current member of the Park County, Wyoming Search & Rescue Team and US Army Rangers veteran.

I've owned Fenix flashlights for over twenty years, including seven as a police volunteer (still use my eight AA cell TK45), and have never had a problem or failure.

This is my third engraved Fenix light and it won't be the last. Every LEO and military veteran I know is familiar with the Fenix brand. If you have any computer graphics skills, I recommend taking the time to design your own logo for engraving. Gifting a Fenix flashlight makes a terrific impression and a one-of-a-kind custom engraved logo makes it unforgettable.


I will test it and we'll see, the appearence looks great


Amazing flashlight, perfect medium size for basically all applications. Love the durability and the versatility. Battery life has been excellent. Love it, thank you.


The etching looks great, and I own like 3 fenix Light because, well, they work great and can take a bit of a beating. I use mine with plumbing and other tasks

Alex Laxton
Fenix light

Hey guys, just wanted to say that I love the light. It’s perfect for almost any use, and the rechargeable battery with the charging port on the inside, so it won’t get beat up from wear, is amazing. Thanks so much to Fenix, and if I need another light I will definitely be coming back to this site!!!

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