Fenix TK22UE User Manual

FENIX Tactical Flashlights
Operating Instructions – FENIX TK22 UE Tactical Flashlight
Switches
The tail switch of the TK22 is the tactical switch and the side switch is the functional switch.
ON/OFF
Tap: Slightly tap the tactical switch to momentarily turn on the light, release it to turn the tactical light off.
Fully press: Fully press the tactical switch to fully turn on and lock the light, press once again to unlock and turn off the
light.
Output Selection
With the light switched on, single-click the functional switch to cycle through Turbo→Low→Med→High.
Strobe
With the light switched on, press and hold the functional switch for 1 second to enter strobe, The light will flash at a
frequency of 6Hz and 15hz every 2 seconds. Click once again to return back to General mode.
Intelligent Memory Circuit
The TK22 flashlight will memorize the last selected output (excluding strobe.) When turned on again the previously used
output will be recalled.
Overheat Protection
The light will accumulate a lot of heat when used on Turbo for extended periods. To reduce the temperature, the light
will automatically downshift to High when it has been used on Turbo for 15 minutes. When the temperature is reduced,
Turbo mode can be reselected.

Fenix TK22UE Specifications

General

Brand	Fenix
Model	TK22UE
Category	Flashlight
Language	English

Summary

Flashlight Operation

Power Control

Control flashlight power using the tactical switch for momentary or locked on/off operations.

Brightness Level Selection

Cycle through Turbo, Low, Medium, and High brightness modes using the functional switch.

Strobe Mode Activation

Activate strobe mode by holding the functional switch for 1 second; returns to general mode with a click.

Intelligent Memory Function

Flashlight memorizes the last used output mode (excluding strobe) for recall upon power-on.

Overheat Protection

Automatically downshifts from Turbo to High after 15 minutes to manage heat and prevent damage.

Battery and Maintenance

Battery Specifications

Details on compatible Li-ion battery types (21700, 18650) and their specifications.

Battery Compatibility Warning

Recommends specific Fenix Li-ion batteries and warns against using CR123A or 16340 types.

Battery Replacement Procedure

Instructions for unscrewing the tail cap and inserting the battery with correct polarity.

Storage and Battery Care

Guidance on removing battery for storage, recharging stored batteries, and preventing accidental activation.

Low Battery Indicator

Flashlight signals low battery by downshifting brightness and blinking; continues to operate until depletion.

Water Seal Maintenance

Replace O-rings periodically to maintain water seal integrity and proper flashlight performance.

Battery Contact Cleaning

Clean contacts with rubbing alcohol to prevent flickering or intermittent illumination due to dirt.

General Safety Warning

High-intensity light can cause eye damage; avoid shining directly into eyes of users or others.