This is 18500 battery, high capacity 18500 lithium rechargeable batteries with button top. Not 18650 battery.
Amp Limit: 16.5A, Voltage: 3.7V, Type: Button Top
High capacity 1600mah lithium rechargeable solar replacement batteries, compatible flashlight batteires
Temperature protection: Stop charging automatically if the temperature of charger or battery gets too high when charging. Stainless steel rail is more durable and smooth.
For your shopping experience, please confirm whether your device can use our batteries.