16340 CR123A CR123 Battery 3.7V 780mAh Rechargeable Button Top Li-on (2 Pack)
The 16340 battery is a li-ion cell classified by its 34mm x 16mm dimensions, and it is the latest rechargeable version of a CR123A battery. These cells usually have 3.6V or 3.7V voltages, a button-top terminal, and most use LiCoO2 chemistry. While some come with built-in USB charging ports, all 16340 cells are rechargeable in li-ion smart chargers. The 16340 cells are commonly used in flashlights or other small compact electronics. These Batteries are extremely popular for flashlights and digital camera use and will work just fine for any device that needs a standard 3V Lithium battery.