Fenix TK45 Flashlight: A 760 lumen ‘mini-gun’!

4 Aug

Fenix Tactical has released their TK45 – a new 760 lumen wonder flashlight. The light features three individually housed Cree XP-G LED’s mounted on a single head. This allows better heat dissipation vs. having all three LED’s in a single bezel. It also gives the TK45 a unique ‘mini-gun’ appearance (Fenix’s own term) which is something you’ll either love or hate.  I’m attracted to the light’s features and am less concerned with how it looks.

TK45 is powered by 8 AA batteries to offer four levels of brightness and three flashing modes. Maximum runtime on low is 232 hours. Runtime on ‘Turbo’ (aka 760 lumens) is about 2 hours. Some flashlight enthusiasts criticize the TK45’s use of 8 regular AA batteries instead of CR123A’s more commonly used in high end lights. As a flashlight semi-enthusiast, I like the ability to go into any store or gas station and buy inexpensive replacement AA batteries.

TK45 Specs from Fenix:

• 3 x Cree XP-G LED (R5) with lifespan of 50,000 hours
• Four types of lighting mode:
Turbo (760 Lumens, 2Hrs) -> Low (8 Lumens, 232Hrs) ->
Mid (95 Lumens, 22Hrs) -> High (312 Lumens, 6.5 Hrs)
(Tested with 2500mAh Ni-MH battery)
• Three types of flashing mode: Strobe, SOS, Warning flash
• Max beam length: 200 meters
• Digitally regulated output – maintains constant brightness
• Intelligent memory function
• Outstanding heat sinking performance offers long working time in Turbo mode
• Uses eight 1.5V AA (Ni-MH, Alkaline) batteries
• 202mm (Length) x 39.2mm (Diameter) x 56mm (Head)
• 324-gram weight (excluding batteries)
• Made of durable aircraft-grade aluminum
• Premium Type III hard-anodized anti-abrasive finish
• Waterproof to IPX-8 Standard
• Toughened ultra-clear glass lenses with anti-reflective coating
• Sidewinder dual switch system
• Capable of standing up securely on a flat surface to serve as a candle
• Included accessories: Lanyard

Light Junction has a nice video review of the TK45. As you’ll see in the video, it may take some user practice to switch to the various light modes:

Retail on the TK45 is around $150.00, pretty reasonable for a high-tech, high power light. The TK45 is too big and perhaps too fragile for a personal carry or weapon light; but it would be great for search and rescue (provided you bring extra batteries), caving, off-road trailing, etc. I did have the Fenix TK40 on my wish list, but the new TK45 just took it’s place!


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