History #

The CR1620 battery is a small, flat, circular lithium coin cell battery. It was introduced in the early 1990s and is still widely used today. The CR1620 is a 3V battery, with a diameter of 16mm and a height of 2.0mm. It is commonly used in small electronic devices such as watches, calculators, and car key fobs.

Typical Chemistry #

The CR1620 battery is a lithium-based battery, which means it uses lithium as its primary active material. The battery also contains a small amount of manganese dioxide and carbon monofluoride. The combination of these materials gives the battery a high energy density and a long shelf life.

Typical Use #

The CR1620 battery is most commonly used in small electronic devices such as watches, calculators, and car key fobs. It is also used in some medical devices, such as hearing aids and glucose meters. The battery is also used in some toys, such as remote-controlled cars and boats.

Design #

The CR1620 battery is a flat, circular battery with a diameter of 16mm and a height of 2.0mm. It has a nominal voltage of 3V and a capacity of 85mAh. The battery is designed to be lightweight and compact, making it ideal for use in small electronic devices. The battery also has a long shelf life, making it a reliable power source for long-term use.

The CR1620 battery is designed with safety in mind. It has a built-in safety circuit that prevents the battery from overcharging or discharging too quickly. The battery also has a built-in protection circuit that prevents it from being damaged by short-circuiting.