Fenix TK20R V2.0 LED Flashlight

Product Overview

The Fenix TK20R V2.0 is a high-performance, rechargeable LED flashlight designed for tactical and outdoor use. It features a powerful Luminus SFT70 LED, capable of producing up to 3000 lumens and a maximum beam distance of 475 meters. The flashlight is powered by a single 21700 Li-ion battery and offers convenient USB Type-C charging.

The top section of the manual illustrates the flashlight's components:

• LED: Luminus SFT70 LED ?
• Lens: High-efficiency optical lens.
• Reflector: Precision reflector for optimal beam throw.
• Body: Durable aluminum construction.
• Tail Switch: Primary control for power and momentary-on function [power-button].
• USB Type-C Charging Port: Located on the tail, covered by a protective boot. ?
• Mode Button: Located on the side of the flashlight head for cycling through brightness levels [mode-button].

Specifications

The Fenix TK20R V2.0 offers versatile performance across various modes:

The manual includes a graph illustrating Lumens vs. Time for each mode, showing the duration the flashlight can sustain each output level before stepping down to conserve battery and manage heat.

General Specifications:

• LED Type: Luminus SFT70 LED ?
• Lifespan: 50,000 hours.
• Battery Type: One 3.6V/5000mAh ARB-L21-5000 V2.0 rechargeable Li-ion battery included. Compatible with 18650/21700 batteries (with ALF-18 battery holder).
• Dimensions: 6.02 inches (152.8 mm) length x 1.34 inches (34 mm) head diameter x 1.00 inches (25.4 mm) body diameter.
• Weight: 6.35 oz (180 grams) excluding battery.
• Waterproof Rating: IPX8 (submersible up to 2 meters for 30 minutes) ?
• Impact Resistance: 1.5 meters ?
• Charging: USB Type-C charging port ?.

Operation

Power On/Off:

• Press and hold the tail switch [power-button] for 0.5 seconds to turn the flashlight on.
• Press and hold the tail switch [power-button] for 0.5 seconds to turn the flashlight off.

Mode Switching:

• With the flashlight on, single-click the side mode button [mode-button] to cycle through the following outputs: Low → Mid → High → Low.

Turbo Mode:

• Double-click the side mode button [mode-button] from any output state to enter Turbo mode [turbo-mode] (3000 lumens).
• Double-click the side mode button [mode-button] again to return to the previous output state.

Strobe Mode:

• From any output state, press and hold the side mode button [mode-button] for 1.2 seconds to enter Strobe mode [strobe-mode] (2500 lumens).
• Press and hold the side mode button [mode-button] for 1.2 seconds again to exit Strobe mode and return to the previous output state.

Momentary On:

• With the flashlight off, half-press the tail switch [power-button] for momentary illumination. Release to turn off.

Lockout Function:

• To Lock: With the flashlight off, press and hold the tail switch [power-button] for 3 seconds [lock-icon]. The flashlight will flash twice on Low mode to indicate it is locked.
• To Unlock: Press and hold the tail switch [power-button] for 3 seconds [unlock-icon]. The flashlight will flash twice on Low mode to indicate it is unlocked.

Battery and Charging

Battery Information:

• The flashlight is powered by one 3.6V/5000mAh ARB-L21-5000 V2.0 rechargeable Li-ion battery (included).
• The battery can be charged directly via the USB Type-C port on the flashlight.
• Note: For safety, use only the specified Fenix battery or compatible 21700/18650 batteries with the ALF-18 adapter. Do not use CR123A batteries for charging.

Charging Instructions:

• Open the tail cap and plug the included USB Type-C cable into the charging port. Connect the other end to a power adapter or USB port.
• The charging indicator light will show status:
  • Red: Charging ⚡
  • Green: Fully Charged ✔️
• A full charge takes approximately 3.5 hours.
• It is recommended to remove the battery from the flashlight when not in use for extended periods.

Battery Replacement:

• Unscrew the tail cap.
• Insert the battery with the positive (+) end towards the LED head.
• Screw the tail cap back on securely.

Maintenance

Regular Maintenance:

• Clean the flashlight regularly with a soft, damp cloth.
• Clean the battery contacts and threads with a soft cloth or cotton swab. Do not use abrasive materials.
• If storing the flashlight for an extended period (over 3 months), remove the battery and store it separately in a cool, dry place. Recharge the battery every 3-6 months to maintain its capacity.

O-ring Replacement:

• The flashlight comes with spare O-rings. If the O-rings are damaged or lost, replace them to maintain water resistance.
• Lubricate new O-rings with silicone grease before installation.

Warnings and Precautions

Important Safety Information:

• Heat: The flashlight can generate significant heat when used at high outputs for extended periods. This is normal. If the flashlight becomes too hot to hold, switch to a lower output mode or turn it off until it cools down.
• Battery Safety:
  • Never disassemble or short-circuit the battery.
  • Keep batteries away from fire and extreme heat.
  • Use only the specified Fenix battery or compatible 21700/18650 Li-ion batteries.
  • Dispose of used batteries properly according to local regulations.
• Beam Hazard: Never look directly into the flashlight beam or shine it into anyone's eyes, as it can cause permanent damage.
• Waterproof Rating (IPX8): The flashlight is rated IPX8, meaning it is submersible up to 2 meters for 30 minutes. Ensure the tail cap and charging port cover are securely sealed before exposure to water. Periodically check and clean the seals.
• Impact Resistance (1.5 meters): The flashlight is designed to withstand drops from up to 1.5 meters onto hard surfaces.

What's Included

• Fenix TK20R V2.0 Flashlight
• ARB-L21-5000 V2.0 Li-Ion Battery
• USB Type-C Charging Cable
• Lanyard
• Holster
• 2 x Spare O-rings
• User Manual
• Warranty Card