16340 CR123A CR123 Battery 3.7V 780mAh Rechargeable Camera Flat Top (2 Pack)

(1 customer review)


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.


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  • Type of the Battery: AA/ 16340
  • Battery size: CR 123
  • Other names of the cell: RCR123A, CR123A Rechargeable, 123A 3.7V Li-ion
  • Application: High Drain devices.
  • Chemistry: Lithium-ion
  • Nominal Voltage: 3.7 V
  • Capacity: 780mAh
  • Energy: 3256mWh
  • Charging current: 0.25 A – 0.5 A
  • Charging cycles: 1200
  • Maximum Discharge Current: 3 A
  • Maximum Charging Current: 0.5A
  • Full Charge Voltage: 4.2 V
  • Diameter: 16.7mm
  • Length: 35.65mm
  • Weight: 20g
  • Flat top: Yes

Based on 1 review

5.0 overall

Add a review

  1. 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….

    Robin S


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