The China Lithium Battery CR123A is a type of lithium primary cell battery. It is cylindrical in shape and is commonly used in high-drain devices such as flashlights, digital cameras, and other portable electronic devices. The CR123A battery has a nominal voltage of 3 volts and a capacity of 1500mAh. These batteries are made in China by a number of manufacturers and are popular due to their cost-effectiveness compared to other brands. The CR123A batteries are commonly used in security systems, medical devices and other equipment that require a reliable power source. These batteries are a convenient and easy to find option when you need to replace batteries in high-drain devices.