What batteries work in the Fenix E35 V3.0 LED flashlight?

The Fenix E35 V3.0 LED flashlight includes one ARB-L21-5000U USB-rechargeable 21700 battery. It is compatible with a single 21700 lithium-ion battery or a single 18650 battery if using the ALF-18 battery adapter. Check out our battery selection here

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