1.Unique structural design for better impact resistance,500 charge cycles.
2.3400mAh 3.7V 18650 Li-ion Protected Rechargeable Batteries,62% more capacity than typical 18650 battery.500 charge cycles
3.Button Top Design compatible with most brand flashlights and other devices
4.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.
5.Pressure Relief Vent: Expels waste gas generated by internal short circuit. Expelling waste gas prevents a cell from inflating or exploding,So our flashlight is very safe for daily usage.