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Fenix TK51 Flashlight, 1800 Lumen, Black - NORTH RIVER OUTDOORS
Fenix TK51 Flashlight, 1800 Lumen, Black - NORTH RIVER OUTDOORS



Fenix TK51 Flashlight, 1800 Lumen, Black

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Fenix TK51 Flashlight, 1800 Lumen, Black

The Fenix TK51 flashlight employs dual LEDs to increase total output with 16 wide-ranging lighting options. Spot and flood beams include 1800 lumen max output and 425 carry distance. For that control, one button instant turbo and strobe activate even when the TK51 is turned off.


- Utilizes two Cree XM-L2 (U2) LEDs with a lifespan of 50,000 hours
- Digitally regulated output with low-voltage indicator
- Reverse polarity protection guards against improper battery installation
- Three-button interface for fast and convenient operation
- Made of durable aircraft-grade aluminum
- Premium Type III hard-anodized anti-abrasive finish
- Toughened ultra-clear glass lens with anti-reflective coating
- Individually controlled spot & flood
- 16 flood and spot combinations
- Three-button interface for last and convenient operation
- Instant turbo to allow immediate output even when the light is off
- Instant strobe to access immediate access to the strobe even when the light is off
- SPOT LIGHT: 900-Lumen max output with 425-meter throw for long-rang lighting
- FLOOD LIGHT: 900-Lumen max output for close-range coverage
- IPX-8 Standard. Waterproof to 2 meters for 30 minutes
- Single Light Specs:
Turbo: 900 Lumens, 3 Hours
High: 400 Lumens, 9 Hours
Mid: 150 Lumens, 27 Hours
Low: 10 Lumens, 429 Hours
- Two Lights Specs:
Turbo: 1800 Lumens, 1 Hour 45 Minutes
High: 800 Lumens, 4 Hours 30 Minutes
Mid: 300 Lumens, 13 Hours 30 Minutes
Low: 20 Lumens, 210 Hours
Strobe: 1800 Lumens
- Size of Your Light:
430-gram weight (excluding the battery)
188 mm Length x 48 mm Diameter
- Batteries Used (Not Included):
Can be powered by one, two, or three 18650 batteries or six, four, or two CR123A Non-rechargeable batteries
Prolong use of operating the light with one or two 18650 batteries will shorten the life span of the rechargeable battery.
When powered by CR123A batteries, the runtime of each brightness level will be shortened

Why NRO?

Customer Reviews

Based on 1 review
This is the perfect emergency flashlight for home

This light has exceeded my expectations in all ways. It is built like a tank, has some of the smoothest optics I have even seen, has excellent heat management and good runtime. I mostly use the beams independently, as there is little brightness difference in having them both on at the same time. Mostly more flood. When using beams independently the my runtime is a little over 4 hours. I am using the Orbtronic protected Panasonic cells. All in all, an awesome light. Don't be fooled though. It is comparable to a 900 lumen light. Just because you have both LEDs on, doesn't mean it doubles the brightness. It just gives you a much broader output of light with the flood or or a bright hotspot with the spot. Overall, I love the light. It is very heavy and the buttons on the side of the light are very easy to unintentionally turn on when holding or in your pocket. Feels good in your hand and again, built like a tank.