allow the user for the reselection of higher modes.
Low-voltage Warning
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, the
light blinks 3 times every 5 minutes to remind you to recharge or replace the battery.
Note: This only works with Fenix ARB-L21 Series 21700 rechargeable Li-ion battery.
Usage and Maintenance
Disassembling the sealed head can cause damage to the light and will void the warranty.
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Fenix recommends using an excellent quality battery.
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If the light will not be used for an extended period, remove the battery, or the light could be
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damaged by electrolyte leakage or battery explosion.
Lock the light or remove the battery to prevent accidental activation during storage or
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transportation.
Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring
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with an approved spare.
Periodic cleaning of the battery contacts improves the lamp's performance as dirty contacts
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may cause the lamp to flicker, shine intermittently or even fail to illuminate for the following
reasons:
A: The battery needs replacing.
Solution: Replace battery pack /battery (Ensure battery is inserted according to the
manufacturer's specifications).
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.
Included
Fenix TK22 TAC flashlight, Fenix ARB-L21-5000U Li-ion battery, USB Type-C charging cable,
Holster, Spare O-ring, User manual, Warranty card
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