Fenix 4000 mAh Rechargeable 18650 Li-ion Battery

The Fenix ARB-L18-4000 is Fenix's newest rechargeable 4000 mAh 18650 Li-Ion battery which features protection points in the anode to protect against gas buildup in the case of short circuiting. The ARB-L18-4000 also features no memory effect (batteries need not be drained before charging), negligible self discharge, and front and back protections of the circuit board that make it more impact-resistant and reliable.

Specifications of Fenix ARB-L18-4000:

• Capacity: 4000mAh
• Voltage: 3.6V
• Charging Current: 2A recommended, 4A maximum
• Max Output Current: 7A
• Weight: 55g | 1.94oz
• Size: Length: 69.2mm | 2.72" Diameter: 18.75mm | 0.74"
• Built in over-charge, over-discharge protection circuit to ensure the maximum performance of the battery
• Circuit board has front and back protections to make it more impact-resistant and reliable
• Compact design: suitable for high-intensity flashlights
• No memory effect, negligible self discharge
• 500 Charge Cycles
• Warranty Period:  12-month free warranty period from purchase date

Please note that a battery recycling station is available at our Port Credit store.