If you have a device and are looking for a battery powerful enough to maximize your devices performance, look no further. Nitecore is one of the worlds leading manufacturers of rechargeable Li-Ion batteries. The NL189 Li-Ion 18650 battery offers both internal and external safety features to protect from overcharging, short circuiting, over discharging, and more!
If you are looking for an 18650 battery for your flashlight, Nitecore will ensure your flashlight gets the maximum light output available. If you are unfamiliar with the ratings on an 18650 battery, as a rule of thumb, the higher the mAh value the longer your flashlight will run. A battery's mAh rating refers to the capacity of the battery's cell, i.e. a 3400mAh battery will operate your flashlight longer than a 2300mAh battery.