16340 CR123A CR123 Battery 3.7V 780mAh Rechargeable Camera Flat Top (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 high drain devices and other small compact electronics.
Robin S –
These cells last longer, can be stored longer, weigh less than a regular battery and provide nearly double or triple the power capacity of a standard battery. They also perform well in extreme temperatures. Best cell for domestic use….