The Fenix ARB-L21-4000P is a 21700 li-ion rechargeable battery, designed to support high current applications and is compatible with the Fenix LR35R flashlight. The 3.6V battery has a capacity of 4000mAh, a 18A maximum output current and 10A maximum continuous output current.

The cell features 3 sets of overheat protection including a pressure relief valve, separate microporous protection and PTC cathodal block protection.

General Precautions:

• Do not expose the battery to heat or throw in into water
• Observe the plus (+) and minus (-) marks on the battery and ensure correct use
• Recharge a stored battery every three months to secure maximum performance
• Keep the battery away from children

Due to shipping restrictions we are unable to send orders containing only batteries without a device to Northern Ireland and the Channel Islands. Orders that include a device such as a torch and/or charger are unaffected.