Fenix TK35UE V2.0 High Performance Dual Mode Tactical Flashlight with 5000 lumens
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Fenix TK35UE V2.0 High Performance Dual Mode Tactical Flashlight with 5000 lumens

by: Fenix


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The TK35UE 2018 is a rechargeable high-performance flashlight. Fitted with CREE XHP70 LED, it delivers a max output of 3200 lumens and a far-reaching distance of 300 meters. The innovative toggle switch freely and rapidly switches between tactical, outdoor and lockout modes. Powered by two 18650 batteries, the battery holder features Micro USB charging function. It has five output levels, plus momentary on strobe and SOS modes, and battery level indication is fitted as well. The parallel battery compartment design, flat body and unique dual tail switches, make TK35 UE 2018 very suitable for military policing, outdoor exploring, camping, searching and caving.


The Fenix TK35 Ultimate Edition V2.0 Version is a high-performance flashlight with Tactical and Duty mode. Powered by two 18650 batteries, the light delivers a maximum output of 5000 lumens with a far-reaching distance of 400 meters. The innovative mechanical toggle switch allows you to freely and rapidly switch between tactical, duty, and lockout modes. And the tactical tail switch instantly responds to your operation. The instant strobe, lockout function, flat body, and unique dual tail switches all make the Fenix TK35UE V2.0 get ready to confidently meet the needs of military and law enforcement as well as any outdoor enthusiast.
5.63'' x 1.69'' / 143 x 43 mm
7.13 oz / 202 g (excluding battery)
Battery Type

2 x Fenix ARB-L18-3000P Li-ion power batteries

Compatible with other 18650 batteries

Compatible with 4 x CR123A batteries




  • 5000 lumens maximum output and 400 meters maximum beam distance.
  • Three Luminus SST40 LED with a lifespan of 50,000 hours.
  • Powered by two 18650 rechargeable Li-ion power batteries.
  • Mechanical toggle switch for tactical, duty, lock mode switching.
  • The light can be powered by a single 18650 or two CR123A batteries in emergency situations.
  • Instant strobe activation.
  • Battery level indication and low voltage warning.
  • Made of durable A6061-T6 aluminum.
  • Premium type HAIII hard-anodized anti-abrasive finish.



Q1. What kind of LED is used in TK35UE V2.0? Does Fenix offer to replace LED?

A: Three Luminus SST40 LED with a lifespan of 50,000 hours.

Fenix does not provide LED replacement services for the time being, and users are not recommended to replace the LEDs independently, which may affect product performance and cause product damage.


Q2. What is the color temperature of TK35UE V2.0?

A: Around 6500K.


Q3. What is the working voltage of TK35UE V2.0?

A: Voltage: 3.0 - 8.4V.


Q4. Is TK35UE V2.0 rechargeable?

A: No, TK35UE V2.0 is not rechargeable.


Q5. How to prevent accidentally activate the TK35UE V2.0?

A: Rotate the mechanical toggle switch to the Lockout mode, or unscrew the light head, or remove the battery to prevent accidental activation.


Q6. Why does the TK35UE V2.0 downshift to a lower mode after being used for a while and the higher mode cannot be selected?

A: There are two reasons:

  1. Intelligent Overheat Protection

The light will accumulate a lot of heat when used at relatively high modes 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 to reselect the modes.


  1. 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, the battery level indicator constantly blinks red to remind you to recharge or replace the battery.


Q7. Why does the TK35UE V2.0 happen to flicker?

A: The reasons that may cause the light to flicker, shine intermittently or even fail to illuminate:

  1. Poor battery level.

Solution: Recharge or replace the battery.

  1. The contact or contact point of the battery or flashlight is dirty.  

Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.

  1. The battery protection board is in a protective state and unable to be released.

Solution: Take out the battery and reload them.

  1. A single 18650 battery fails to activate Turbo mode.

Solution: Take out and reload the battery, replace a new battery or use two batteries.


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


Q8. What kind of battery can be used in TK35UE V2.0?

A: It is recommended to use 2 x Fenix ARB-L18-3000P Li-ion power batteries. And compatible with other 18650 batteries, in emergency cases, 2/4 x CR123A Lithium batteries can be used.

Note: Do not mix batteries of different brands, sizes, capacities or types. Doing so may cause damage to the flashlight or the batteries being used.


Q9. What are the optional accessories for TK35UE V2.0?

A: None.


Q10. What should I do when the TK35UE 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.

  1. 5-year free repair: Fenix will repair a light free of charge within 5 years (non-detachable light: 2 years, rechargeable battery and other accessories: 1 year) of purchase if problems develop with normal use.
  2. Lifetime maintenance: If repair is required after 5 years from the date of purchase, Fenix will charge for parts. The total repair fee is dictated by the cost of the replaced materials.
  3. Warranty certificate: Please keep the warranty card in contacting the authorized distributors for after-sale maintenance, Fenix will provide service support to the distributors.

For more detailed information, please check in the "Support" section.

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