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TK09 Fenix Flashlight - DISCONTINUED

$84.00 $49.95

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Max Lumens:


18650 or CR123A
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Product Overview

Upgraded for 2016, the Fenix TK09 LED flashlight upholds the concept behind the TK Series; tough, powerful and waterproof. Using a Cree XP-L HI LED and one 18650 battery, this small flashlight boasts a maximum 900 lumens for up to 1017ft (310m). Tactical tail switch features instant access to the top brightness level and controls all modes including strobe. The TK09 LED flashlight is excellent choice for law enforcement as well as hunting and outdoors.


Max Lumens: 900
Max Beam Distance: 1017 feet (310 meters)
Max Runtime: 37 hours
Lighting Modes: 3 brightness levels, and strobe
Bulb Type: Cree XP-L HI LED
Size: Length: 5.1″ (130mm) Width: 1″ (25.4mm) Head: 1.3″ (34mm)
Weight: 3.7 oz. (105g) weight including battery
Battery: One 18650 rechargeable Li-ion battery or two CR123A Lithium batteries
Included: Lanyard, holster, spare O-ring, spare rubber boot switch
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

More Information

*Due to the protective setup of automatically turning to Mid from High after working 5 minutes, the runtime of the High brightness level is the accumulated time.
  • Utilizes Cree XP-L HI LED with a lifespan of 50,000 hours
  • Powered by one 18650 rechargeable Li-ion battery or two CR123A Lithium batteries
  • 130mm Length x 25.4mm Body Diameter x 34mm Head Diameter
  • 105 grams (excluding battery)
  • Tactical tail switch with momentary-on function
  • Digitally regulated output maintains constant brightness
  • Reverse polarity protection to protect from improper battery installation
  • Over-heat protection to avoid high temperature of the surface
  • Made of durable aircraft-grade aluminum
  • Premium type III hard-anodized anti-abrasive finish
  • Toughened ultra-clear glass lens with anti-reflective coating
TK09 Fenix Flashlight - DISCONTINUED specs chart



Tap the tail switch to turn on the light temporarily, fully press to turn ON/OFF the light. 


Output Selection 

Tap the tail switch first, then release and fast tap again in 1 second to cycle through High→Mid→Low→Strobe. 


When the needed brightness level is selected, fully press the switch to power the light constantly, and press again to turn off the light. 


Note: The light will not memorize brightness level over 1 second after it is turned off. Each time it will activate at High brightness level. 


Low-voltage Warning Function 

When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower brightness level. When this happens in Low output mode, the flashlight blinks three times every five minutes to remind you to replace the battery. To ensure normal use, the flashlight will not turn off automatically and will work until the battery runs out completely. 


Note: This only works on 18650 rechargeable Li-ion battery. When the voltage of 18650 battery is detected lower than 3V, low-voltage warning function will fail if the flashlight is turned on again. 


Over-heat Protection 

The light will accumulate a lot of heat when it is working at High brightness level. When it works at High for 5 minutes or above, the flashlight will automatically downshift into Mid output to prevent the light from overheating. Please reset if High output again is needed. 


Battery Replacement 

Unscrew the tail cap to insert the battery with the anode side (+) toward the light's head, screw the tail cap back on. 


Usage and Maintenance

  • Disassembling the sealed head may cause damage to the light and will void the warranty.
  • Fenix recommends using excellent quality batteries. If the flashlight will not be used for an extended period, remove the battery, or the flashlight could be damaged by electrolyte leakage or battery explosion.
  • Unscrew the tail cap one-half turn 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 flashlight's performance as dirty contacts may cause the flashlight to flicker, shine intermittently or even fail to illuminate for the following reasons:

Reason A: The batteries need 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 a cotton swab soaked in rubbing alcohol. 


If the above methods don't work, please refer to the warranty policy before contacting your authorized distributor.

No FAQs available.

Customer Reviews

Based on 11 reviews

Does ARB-L18-2600 is compiatable?

Yes, the ARB-L18-2600 battery is compatible with this light.


I can state that this is a very powerful flashlight and it is perfect for when my wife takes our dog for a walk. Even though our dog is a Siberian Husky and weighs 118LBS, he likes to follow the beam when she has it pointed ahead.

Art Waters

Awesome as always. Wish you would continue to carry this model..

Chase Toronto

Light needs a different method of switching between modes. When pressing it with the momentary on the pressure pad, i end up cycling between modes, when i dont mean to.

Ken Patton

Perfect balance of power, size, quality and price. Like it so much I bought a second one.

Jeff Chaiet

Excellent product. I purchased this model as a pack light. I needed a light that wouldn't take up much room in my hunting pack, but would also be bright enough to blood trail animals at night. I finally got the opportunity to put this light to the test on a blood trail at night, and it performed better than I expected. It lit up the trail like it was daylight on the medium setting, and never dimmed even slightly. Needless to say I'm absolutely in love with this light. Very bright, unbelievable throw distance, and built solid.

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