What kind of battery can be used in the TK22 TAC?Updated 8 months ago
The TK22 TAC flashlight uses and includes the ARB-L21-5000U rechargeable 21700 battery. Other 21700 batteries are also compatible and you can even use an 18650 battery if you have the ALF-18 battery adapter. Please note that using an 18650 battery may result in lower than advertised brightness and runtime.
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