Fenix TK75 ( 2015 Edition )
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Fenix TK75 ( 2015 Edition )

by: Fenix


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Astonishing combination of 4000-lumen maximum output and more than 11 days maximum runtime, Fenix TK75 is surely versatile and all-powerful to satisfy various lighting demands such as searching, securing, caving and more. Its dual body switch offers user-friendly output selection of 4 brightness levels and 2 momentary-on modes, meanwhile lockout design avoids the possibility of misoperation of the flashlight. Additionally, a multi-function socket for straps and tripod socket make TK75 portable and mountable, even more advantageous and reliable. 

TK75 Extended Runtime Kit AET-TK75 (Combo 2 only)
Run time can be extended with the addition of a Extension Tube.  Each additional segment holder adds 100% of the battery life of the stock TK75 but brightness levels will not change.

Fenix TK75 (2015) Specs

LED Brightness Level Waterproof Specifications (Width, Length,Diameter) Weight Battery
Cree XM-L2 U2 4 output levels IPX-8 185mmm(L)x52.5mm(D)x87.5mm(Head) 575 g 4x18650/8 x CR123A
ANSI/FSC General Mode Flashing Mode
Turbo High Mid Low Strobe SOS
Output (lumens) 4000 1600 600 35 4000 /
Runtime 1h/40min 3h/40min 11h/20min 270h
Distance 650 m
Intensity 105600 cd
Impact Resistant 1 m


    • Uses 4 Cree XM-L2 (U2) LEDs with a lifespan of 50,000 hours
    • Powered by four 18650 rechargeable Li-ion batteries or eight CR123A batteries
    • Ultra-high intensity of 4000 lumens, instant Burst and Strobe activation
    • Back support system, effectively release holding fatigue
    • Power display of run time, quick lock-out function
    • Digitally regulated output maintains constant brightness
    • Low-voltage reminder indicates when battery replacement is needed
    • Reverse polarity protection, to protect from improper battery installation
    • Dual button switch system in the front for simple and fast operation
    • Made of durable aircraft-grade aluminum
    • Premium Type III hard-anodized anti-abrasive finish
    • Toughened ultra-clear glass lens with anti-reflective coating
    • Length: 185 mm
    • Diameter: 52.5 mm
    • Head: 87.5 mm
    • Weight: 575-gram weight ( 20.28oz ) excluding batteries
    • shoulder strap
    • 2 x spare O rings
    • Lanyard
    • manual
    • lanyard
    • Combo # 2 includes Fenix extender.
  • We will replace the defective products within 15 days of purchase and repair a light free of charge within 24 months of purchase if problems develop with normal use; if repair is required after 24 months from the date of purchase, we will charge for parts. The total repair fee is dictated by the cost of the replaced materials.

  • We kindly suggest that you register your guarantee card on the official web site of Fenixlight Limited. You can get an extra six-month warranty period once you have successfully registered. What's more, you could take part in the lottery of questionnaire at the same time.

  • If you leave the light unused for a couple of days, please unscrew the head for half a turn to prevent slow discharge of the batteries.

    Please don't disassemble the sealed head, doing so can cause damage to the light and will void the warranty.

    High-power light should use battery with high current discharge capability; We suggest using high performance Ni-MH rechargeable battery to increase the runtime of this high intensity light.

    The o-ring may be worn out after using for a long time. If it happens, please replace the o-ring with a new one to keep the light properly sealed against water.



    TK75 is a high intensity lighting device and capable of causing eye damage, avoid shining the light directly into the eyes. Please clean the contacts of your light from time to time, especially if the light flickers or doesn't light up. There may be several reasons for a flickering or not working light:

    Reason A: The battery needs replacing.
    Solution: Replace batteries (Please confirm the correct installation of anode and cathode).

    Reason B: The threads, PCB board contact or other contacts are dirty.
    Solution: Clean the contact points with an alcohol soaked cotton swab. If the above methods don't work, please contact the distributors and refer to the warranty policy.

    Please visit our Flashlight Maintenance Videos here

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