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What batteries can I use in the Fenix HP25R V2 headlamp?Updated 2 years ago

The Fenix HP25R V2 headlamp is compatible with 21700 batteries. You can also use 18650 batteries with the ALF-18 battery holder. The Fenix ARB-L21-5000 battery is included with the Fenix HP25R V2. 

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