ER34615M/S STD is a lithium-thionyl chloride battery manufactured by FANSO. It has a voltage of 3.6V, a capacity of 17mAh, and is a Single Battery format. The battery has a diameter of 0.45 inches and a height of 0.53 inches. The battery has a sealed construction that offers excellent safety and reliability. It also has excellent temperature stability, low self-discharge rates, and long shelf and operational life. This type of battery is commonly used in long-lived, low drain applications such as medical devices, wireless alarms, tire pressure monitoring systems, and other industrial electronics.