2 Pack Fenix ARB-L18-2600 Protected 18650 2600mAh Rechargeable Li-ion Batteries with EdisonBright BBX3 Battery Carry case - Designed for TK75 TK16 PD35 PD32 TK22 TK35 are-X1 are-C1 are-C2 and More 2 Pack Fenix ARB-L18-2600mAh Rechargeable 18650 Battery Button Top Design compatible with most brand flashlights and other devices 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. Bundle comes with a EdisonBright BBX3 battery carry case