The CR123 lithium battery is a primary 3V battery. It is not interchangeable with zinc types. There is a rechargeable lithium-polymer version available that is interchangeable for some uses.
These Energizer Lithium batteries have been developed to provide optimum long-lasting performance for your digital cameras, flash units, high-lumen high-power flashlights, and other high-tech devices.
SKU/Part Number EL123BP-12
Amperage: ~1500 mAh
Diameter: ~0.650" (17 mm)
Height: 1.350" (34.2 mm)
Voltage: 3 volts
CR123 batteries are commonly used in the following products. These Energizer CR123 batteries are all guaranteed very fresh inventory (most sold have been in stock for less than 2 weeks and we buy directly from Energizer):