SUPEREX 6 PCS 400mAh 3.0V CR123A 16340 Rechargeable Lithium B for Flashlight Photo Camera Toys Pack of 6 pcs CR123A 16340 Rechargeable Lithium B. Dimension: D16.4mm X H34mm Weight: about 17g Voltage: 3.0V Capacity: 400mAh Provides maximum power and longevity, built-in safety circuitry. Can be used in many applications: Photo cameras, Flashlights, Light meters, and many other photo equipments.