Can a 16340 battery be used in place of a CR123A battery?

It depends on which Fenix flashlight you're using. It is important to remember that even if the 16340 and CR123 batteries are of similar size and shape, they are different from one another. Check the product listing of the flashlight you're interested in or the manual to see if the flashlight is able to take both batteries. Learn more about flashlight batteries on our blog!

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