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The Fenix TK17 tactical LED flashlight delivers a top-of-the-line output of 3,600 lumens and a beam distance of up to 330 meters, making it the ideal choice for professionals, law enforcement, hunters, and demanding outdoor enthusiasts. It offers long battery life, the ability to function as a power bank, and a durable design for any environment—simply a reliable tool when it matters most.

1. True power and beam distance
   3,600 lumens and a beam distance of 330 meters ensure perfect visibility even in the darkest conditions.
2. Long-lasting power with power bank functionality
   The 21700 battery with a capacity of 6000 mAh offers up to 60 hours of runtime and allows you to charge other devices via USB-C.
3. Quick control in emergency situations
   The dual tactical switch allows for instant activation of strobe mode or maximum output.
4. Durability for extreme use
   The rugged body made of hardened aluminum with tungsten tips is resistant to water, drops, and impacts.

• Extreme light flux
• Up to 60 hours of runtime
• Power bank function
• Water and dust resistant
• Impact-resistant rim with spikes
• Last mode memory
• One-finger tactical control
• Non-slip and roll-resistant
• Intelligent overheating protection
• ANSI-certified

Specifications

LED: CREE XHP50.3 HD
Luminous flux: up to 3600 lumens
Beam distance: up to 330 m
Power source: Li-ion 21700 6000 mAh (included)
Charging: USB-C, power bank
Run time: up to 60 hours
Dimensions: 14.85 × 3.6 × 2.54 cm
Weight: 197.2 g including battery
Material: hardened aluminum A6061-T6
Water resistance: IP68 (2 m, 30 min)
Drop resistance: from a height of 1 m

Fenix TK17 Flashlight Controls
The flashlight may come with an insulating cap on the battery inside the flashlight. Remove it from the battery before first use.
To turn on the flashlight, press the larger tactical button located at the end of the flashlight; press and hold the button for instant activation. You can switch between power modes at any time during operation by pressing the side switch button. To switch to strobe mode while the flashlight is on, hold the toggle button for about 0.5 seconds. To turn the flashlight directly into strobe mode, press and hold the toggle button. BURST mode (3600 lumens) can also be activated directly at any time by holding the main tactical button for 0.5 seconds.
Intelligent Overheating Protection - Since the flashlight achieves an enormous output of 3600 lumens, its temperature rises. If the temperature exceeds 60°C, the output is automatically reduced. Once the temperature drops below 60°C, the output automatically increases again.
Battery charge indicator - Press any button on the flashlight for less than one second; the battery charge indicator next to the switch will then light up for 3 seconds. If the flashlight remains on for longer, the indicator will not activate. If the indicator LED is green, the battery is charged to more than 85%. A green flashing light indicates 50–85% capacity. If it is red, the battery is charged to 25–50%. A red flashing light indicates that less than 25% of the battery capacity remains.
Low Battery Warning - The flashlight will gradually and automatically switch to the lowest power mode; if it is already at the lowest power, it will flash 3 times every five minutes.

Charging
- Remove the battery from the flashlight and connect the USB-C cable to the connector on the battery’s positive terminal.
- During charging, the three blue indicators on the battery will light up sequentially. Once all three indicators remain lit, the battery is fully charged.
- Charging time for a completely discharged battery is approximately 4 hours with a 5 V / 2 A USB adapter.

Warning
Use only high-quality 21700 rechargeable batteries with protection circuitry.
Do not shine the light on flammable objects from close range to avoid damaging them or causing a fire due to high temperatures!
Remove the battery or loosen the end cap to prevent accidental activation during storage or transport in a confined space.
Keep this flashlight out of the reach of children and do not shine it directly into anyone’s eyes!
Insert the batteries with the positive terminal facing the head of the flashlight.
If the protective rubber rings appear damaged after prolonged use, replace them. The rings should also be lubricated to prevent rubber erosion. By following these guidelines, the flashlight will be properly protected against water.
If the flashlight flickers, does not switch to higher power modes, or does not turn on, it may be due to one of the following reasons:
- The battery is dead – charge or replace it.
- The contacts inside the flashlight are dirty – clean them with a cotton swab dipped in alcohol.
- The head, body, or rear of the flashlight is loose; tighten them.