Fenix ARBL18 High-Capacity Battery - 3500mAh

The Fenix 18650 battery--an amazing 3500mAh rating.  Fenix has increased its emphasis on safety by building in features to prevent short circuits and design multiple layers of protection.  The new button-top design better accommodates a variety of flashlight brands. Fenix continues to be an industry leader in lighting and battery innovation.

• Button Top Design
• Protection circuit built in the anode with a steel hat by riveting process.
• Steel shell eliminates the risk of short circuit caused by collision and impact.
• Pressure Relief Vent: Expels waste gas generated by internal short circuit.
• Expelling waste gas prevents a cell from inflating or exploding.
• Three Sets of Over-Heat Protection:  Over charge protection, Over discharge protection, Short circuit protection, and overheating protection