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What batteries work in the Fenix LR50R LED flashlight?Updated 2 years ago

The LR50R comes with the ARB-L52-16000 lithium-ion battery pack, but you can also use four 21700 lithium-ion batteries. In an emergency, you can use one to three 21700 batteries to power the light, but it won't deliver the full 12000 output. 

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