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Fenix TK16 V2.0 Custom Engraved Flashlight

$132.00 $99.95

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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 76 reviews

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!!!

Juan Henrriquez
Simply perfect

I I use this light at work and the simple design makes it easy to operate and it works when you need it. What else can you ask for?

Corky Corcoran
Could Have Been Five Stars

The flashlight itself is wicked bright. You cannot leave it on the top setting for long, because when you are producing that much light with a small heat sink (brightly illuminating objects beyond 230 meters), it's going to get hot. All aspects of the flashlight are top notch, including the very intricate logo I wanted. The reason for four stars is the holster, if one could actually use the term when referencing it. It does a good job of holding the light, but getting it in and out is whole other story. It's flimsy to the point of being useless should you need quick access to retrieve or put away the light. Now I will have to order something from Amazon and hope it fits. I would have gladly paid a little more for a functional holster.


This flashlight is perfect for patrol. I have heard nothing but great things about Fenix Lighting from co workers, and knew I needed to invest in a more quality light. Fenix Lighting is that quality I needed. I will recommend any LEO who works in the field to check this company out. Thank you very much Fenix Lighting!

- Josh

Marcus H
Wonderful light

Great quality, very bright! Long lasting battery life.

Dan Morales
Fenix TK16 V2.0 Custom Engraved Flashlight

I am a fan of this company and the product put forward. Once again, I am pleased and happy with the flashlight, so much so, that I bought one for my brother-in-law.

Not the best customer service

Light was defective from being new out of the box, sent it in and a button cap was replaced and sent back to me. Good customer service would be send it back and send the customer a new light immediately. Therefore i had no light for a week. Speaking with one customer service rep, he said he will call me back and never did after assuring me he would. I had to reach back out again to be told he isn't available….. Next time ill stick with Streamlight

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