Notes: Don't not insert batteries with (+)and ?-?reversed. Do not disassemble ,dispose in fire ,heat or shot circuit. Do not submerge the Battery in water . Tips: Be careful to the battery claimed over 3400mah ,because there is no such manufacturing techniques in the world yet . Introduction: The 18650 Battery is a well-known battery used in different headlamps and LED flashlights.Compared with AA battery ,They're very efficient, because they are very large.With such good capacity/weight and longevity(working life for 10 years) properties ,it has a very high demand in the US.Due to economics,peopler use it in flashlight ,headlamp,power banks,mini fan ,tail lights etc. ? Specifications * Length: 2.56"; Diameter: 0.71"; Weight: 1.63 Oz. * Chemistry: Lithium Ion (Rechargeable Li-Ion). * Light weight and high energy density. * Cycle rate :1500 cycles. * Long storage life. Are you still upset your cell that is not able to last for one hour or have to take several battery out every time ?
DULEX Super Long-Lasting 18650 Battery last for 5 to 8hours ,Always save you on Emergencies.
This is 18650 battery flat top design ,Not AA battery
*Length: 2.56"; Diameter: 0.71"; Weight: 1.63 Oz.
100% hold a Charge very welll and wont self drain
10 year working life and long working cycle for 1500 time
Dulex Warranty: 12months warranty by DULEX.We have customer service works for you within 12 hours at any time once needed.