The Fenix TK41 is a powerhouse of versatility, combining high-output performance with the accessibility of AA batteries. Outfitted with a CREE XM-L U2 LED, it blasts out 860 lumens of intense white light, ideal for outdoor adventure, search and rescue, or emergency preparedness.
The TK41 runs on 8 standard AA batteries, making it easy to power up with commonly available cells, even in remote locations. Dual front switches allow for seamless control—power on/off and mode switching without confusion or delay. It’s built from aircraft-grade aluminum, with a hard-anodized anti-abrasive finish, and features IPX-8 waterproofing for rugged, all-weather use.
At just over 8 inches long, the TK41 is a full-size flashlight that provides professional-grade reliability without the need for proprietary batteries.
Specifications
Feature
Details
LED
CREE XM-L U2 with 50,000-hour lifespan
Max Output
860 Lumens
Battery Type
8 × 1.5V AA (NiMH or Alkaline)
Switch Type
Dual front switches (power + mode selection)
Regulated Output
Digitally regulated for constant brightness
Reverse Polarity
Yes – protects from improper battery installation
Construction
Aircraft-grade aluminum
Finish
Type III hard-anodized anti-abrasive coating
Lens
Toughened ultra-clear glass with anti-reflective coating
