This battery is a button-top battery. It is not the traditional flat-top Fenix style.
Recommended Chargers for this Battery: ARE-X1, ARE-C1, ARE-C2
The next generation of 18650 batteries are here. Introducing the top-of-the-line Fenix 18650 battery--an amazing 2600mAh 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.
Fenix ARB-L18-2600mAh Rechargeable 18650 Battery
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
500 Charge Cycles: A properly maintained ARBL18 battery is designed to retain up to 75% of its original capactiy at 500 full charge and discharge cycles.