Battery Specifications
Type
Dimensions
Nominal Voltage
Recommended
Li-ion Battery
21700
3.6 V
Fenix ARB-L21 Series
Li-ion Battery
18650
3.6 V
Fenix ARB-L18 Series
Warning:
•
It is not recommended to use the CR123A or 16340 battery.
•
Fenix 18650 or 21700 Li-ion battery is recommended for maintaining perfect lighting performance.
•
The Fenix dedicated ALF-18 battery holder should be used together when using 18650 Li-ion battery.
*18650 /21700 Li-ion batteries are powerful cells designed for commercial applications and must be treated with caution
and handled with care. Only use quality batteries with circuit protection will reduce the potential for combustion or
explosion; but cell damage or short circuiting are potential risks the user assumes.
Battery Replacement
Unscrew the tail cap and insert the battery with the anode side (+) towards the light head, then screw the tail cap back
on.
Usage and Maintenance of the TK22 Flashlight
•
Disassembling the sealed head can cause damage to the light and will void the warranty.
•
Fenix recommends using a high-quality battery.
•
If the light will not be used for an extended period, remove the battery, or the light could be damaged by
electrolyte leakage or battery explosion.
•
Unscrew the tail cap half a turn or take out the battery to prevent accidental activation during storage or
transportation. Recharge a stored battery every four months to maintain optimal battery performance.
•
When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower
brightness level until Low output is reached. When this happens in Low output mode, the flashlight blinks three
times every five minutes to remind you to replace the battery. To ensure normal use, the flashlight will not turn
off automatically and will work till the battery runs out completely.
•
Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved
spare.
•
Periodic cleaning of the battery contacts improves the lamp’s performan
ce as dirty contacts may cause the lamp
to flicker, shine intermittently, or even fail to illuminate for the following reasons:
o
A:
The battery needs replacing.
▪
Solution: Replace battery (ensure battery is inserted according to the manufacturer’s
specifications).
o
B:
The threads, PCB board contact or other contacts are dirty.
▪
Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.
If the above methods don’t work, please contact your authorized distributor.
Warning
This flashlight is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the
flashlight directly into anyone’s eyes.
