Fitorch UC16R (Previously RC650) 16340 650mAh 3.7V Protected Lithium Ion (Li-ion) Button Top Battery with Built-In Micro USB Charge Port

Fitorch UC16R (Previously RC650): 16340 Battery

650mAh | Built-In USB Port

Fitorch's UC16R (Previously RC650) 16340 battery was specially designed for powering their ER16 flashlight. This high-capacity cell features 650mAh of energy storage, and is easily rechargeble with the built-in micro-USB port. The 3.7V will match the voltage requirements of most flashlights that supports its 16 x 34mm size, and its li-ion chemistry is rechargeable again and again.