Fenix 21700, 6000 mah Rechargable Battery

The Fenix 21700 6000 mAh rechargeable battery (ARB-L21-6000) with protected electronics delivers the highest real capacity on the market. Li-ion rechargeable batteries are characterized by very high capacity, do not suffer from memory effect or self-discharge.

Note that the dimensions of the battery are 22 millimeters x 76.6 millimeters, making it larger in diameter than the conventional Li-ion type 21700. It will therefore only fit in some flashlights and headlamps.

Fenix 21700 6000mAh battery parameters:

• Nominal voltage : 3.6 V.
• Capacity : 6000 mAh, tested at a discharge current of 0.2 C with termination at 2.5 V and 25°C.
• Maximum current draw : 10 A.
• Recommended charging current: 1.2 A.
• Maximum charging current: 4.2 A.
• Dimensions: 22 mm (diameter) x 76.6 mm (length).
• Weight: 80 grams.
• Protection against overcharging, complete discharge and short circuit (>10 A). Protective circuit mounted on the plus pole.
• Lifetime of more than 500 charging cycles.
• Recommended operating temperatures: 0-45°C (charging), -20 to +60°C (discharging).