The CR1632 battery is a small, round, flat lithium button cell battery. It belongs to the CR series of lithium batteries, which are known for their high energy density and long shelf life. The “CR” designation indicates that it uses a lithium manganese dioxide chemistry.

Features:

1. Nominal Voltage: The CR1632 battery typically provides a nominal voltage of 3 volts, which is higher than most other types of button cell batteries, making it suitable for devices that require a higher voltage.
2. Compact Size: Its small and flat design makes it ideal for use in devices with limited space, such as thin electronic devices like stopwatches and key fobs.
3. Long Shelf Life: CR1632 batteries have a long shelf life when properly stored, retaining their charge for several years, which makes them suitable for stocking as spares.
4. High Energy Density: Lithium batteries are known for their high energy density, meaning they can provide a significant amount of power relative to their size.
5. Wide Operating Temperature Range: CR1632 batteries can operate effectively across a wide range of temperatures, making them suitable for use in both indoor and outdoor environments.
6. Reliable Performance: CR1632 batteries are designed to deliver stable and consistent power output throughout their lifespan, ensuring reliable performance in electronic devices.
7. Mercury-Free: Like most modern lithium batteries, CR1632 batteries are mercury-free, making them safer for the environment and easier to dispose of responsibly.

Overall, the CR1632 lithium battery is a popular choice for powering small electronic devices like stopwatches due to its high voltage, compact size, long shelf life, and reliable performance. If you have any further questions or need additional information, feel free to ask!