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Fenix TK72R USB Rechargeable Flashlight - DISCONTINUED

$440.00 $329.95

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Product Overview

The TK72R Rechargeable Flashlight is Fenix’s most powerful flashlight to date; throwing a light beam over 300 yards with a maximum light output of a blinding 9000 lumens! Operation is made easy by its three stainless steel button interface. Choose from any brightness level from 100 to 9000 lumens (increments of 100) by simply pressing the PLUS or MINUS buttons. The OLED display shows the flashlight’s current status, including brightness level in lumens, available runtime and remaining battery level. The included battery pack is micro-USB rechargeable and can also be used as a power bank to charge other devices. Waterproof and dust proof, this flashlight is comfortable in rough spots where extreme light and versatility are at the forefront.


Max Lumens: 9000
Max Beam Distance: 938 feet (286 meters)
Max Runtime: 50 hours
Lighting Modes: Any increase of 100 between 100 lumens and 9000 lumens, and strobe
Bulb Type: 3 Cree XHP70 LED
Size: Length: 6.1″ (156mm) Head Diameter: 2.3″ (59mm) Body Diameter: 2.0″ (50mm)
Weight: 14.5 oz. (412g) weight excluding batteries
Battery: Included 7.2V/7000mAh Li-ion battery pack
Included: ARB-L45-14000 battery pack, lanyard, holster, two spare O-rings, USB charging cable, adaptor
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

More Information

Additional Features of the Fenix TK72R

  • Uses 3 Cree XHP70 LED with lifespan of 50,000 hours - max 9000 lumens
  • OLED digital screen displays: output, runtime, battery status
  • Micro USB charging, USB discharging
  • Inner waterproofing treatment of USB & Micro USB port
  • Three switches in the neck - easy and fast operation
  • Three output modes: Low, High and Memory
  • Instant Turbo
  • Lockout function
  • Low-voltage warning function
  • Digitally regulated output maintains constant brightness
  • Intelligent overheat protection protects from high surface temperature
  • Reverse polarity protection to protect from improper battery insertion
  • Made of durable high-strength and oxidation-resistance aluminum
  • Premium type HAIII hard-anodized anti-abrasive finish
  • Toughened ultra-clear glass lens with an anti-reflective coating
Fenix TK72R USB Rechargeable Flashlight - DISCONTINUED specs chart


Fenix TK72R USB Rechargeable Flashlight - DISCONTINUED runtime chart


With the light off, press and hold the FENIX switch for 0.5 seconds to turn on the light with the last used brightness. 

With the light off, press and hold the MINUS switch for 0.5 seconds to turn on the light with 200-lumen output. 

With the light off, press and hold the PLUS switch for 0.5 seconds to turn on the light with 5000-lumen output.



With the light on, press and hold the FENIX switch for 0.5 seconds to turn off the light.


Output Selection

With the light turned on:

  1. Output ranges from 100 lumens to 9000 lumens
  2. Single click the PLUS switch, for each single clicking, the output will increase 100 lumens. Press PLUS switch over 0.5 seconds, then the output will increase 1000 lumens for each pressing.
  3. Single click the MINUS switch, for each single clicking, the output will decrease 100 lumens. Press MINUS switch over 0.5 seconds, then the output will decrease 1000 lumens for each pressing.


In any status, press and hold the FENIX switch over 1.2 seconds to enter strobe, click once again to return to the last used brightness.


Instant Turbo

With the light switched on, single click the FENIX switch to enter Turbo, click once again to return to the last used brightness.


Lockout Function

Lock: With the light switched off and unlocked, continuously click the FENIX switch twice within 0.5 seconds, the OLED screen will display locking icon, indicating the light enters locked status. 


Unlock: With the light switched off and locked, continuously click the FENIX switch twice within 0.5 seconds, the light will be unlocked and activated on last used brightness. 


In locked status, clicking or pressing any switch, the light will be unresponsive to indicate locked status.


Battery Level Indication

With the light switched off, single click the FENIX switch, the OLED screen will display the battery status percentage, and then goes out in 5 seconds.


Charging and Power Bank Function

Charging: Plug the USB side of the charging cable into the any USB power supply, uncover the anti-dust cap of the light. And plug the Micro USB side of the charging cable into the charging port of the light. When charging the OLED screen will display charging icon, and current battery level will be displayed. The normal charging time is about 6 hours.


Power bank function:

Plug the USB side of any digital device into the USB side of the light. Then the light will display discharging icon when discharging begins. The max discharging current is 2A. 



  1. The light can be turned on when it is in charging and discharging status, but only 100 lumens output can be reached.
  2. Once charging is completed, be sure to remove the charging cable and replace the anti-dust cap to protect from dust and foreign objects.
  3. Recharge a stored light every four months to maintain optimum performance of the battery.

Intelligent Memory Circuit

The light memorizes the last selected brightness level on General mode. When turned on again the previously used brightness level will be recalled.


Intelligent Overheat Protection

The light will accumulate a lot of heat when it is working at high output levels. When the light is overheated up to 65 ℃ or above, the output will be automatically downshifted by the step of 1000 lumens until 2500 lumens is reached to reduce the temperature. High output levels can be reselected by pressing switch when the temperature is lowered than 65 ℃.


Low-voltage Warning

When the voltage level drops below the preset level, the flashlight is programmed to downshift by the step of 1000 lumens until 100 lumens is reached. Until the battery protection circuit activates to turn off the flashlight.


Battery Specifications

The standardly configured battery is ARB-L45-14000 (7.2V/7000mAh), Fenix batteries with the same type can be used.


Battery Replacement

Unscrew the tail cap to insert the included battery which features reverse polarity protection, so the anode can be neglected, then screw the tail cap back on.


Usage and Maintenance

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Unscrew the tail cap half a 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 lamp's performance as dirty contacts may cause the lamp 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. 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 is so powerful that it can cause a fire when holding the beam to flammable materials such as paper, cardboard, and more.

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Customer Reviews

Based on 33 reviews
Battery didn't last

Leaving thia review very late but been thinking about getting g a new flashlight other than my milwaukee. I bought bought b 72r a few yeas back but battery barely lasted a year . Very disappointing considering g the price of this light

Did you reach out to warranty at that time?

John Callihan


Jeffrey Barry

I love it

Wes Martin

I love this light. I needed a light that would flood large areas and it does just that.

Sr.Drill Sgt Charles Swanson

Hello, this is Sr. Drill,Sgt. Swanson and I'd like you to know that I am VERY PLEASED with my light purchase. However I do have one of my lights that will not charge over 89-90%, I've tried different outlets in my home and it still will not charge over 90%, the othet light charges to 100% with no problem. Please Advise, awaiting your response!

Frank Errington

Best light I'd ever owned. Glad I spent the extra money on it. Nothing is this small,bright, well built

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