What size are CR2032 batteries?

Understanding CR2032 Battery Dimensions

The CR2032 battery is a popular button cell used in various electronic devices. Understanding its dimensions and specifications can help ensure you select the correct replacement when needed.

Quick Guide to CR2032 Battery Size

• Diameter: 20 mm (approximately 0.79 inches)
• Height: 3.2 mm (approximately 0.13 inches)

Common Uses for CR2032 Batteries

CR2032 batteries are widely used in small electronic devices such as watches, calculators, medical equipment, and fitness trackers.

• Watches: Digital timepieces often use these batteries due to their compact size and long-lasting power.
• Fitness Trackers: Devices like Fitbit and Garmin rely on CR2032 for consistent performance.
• Medical Devices: Blood glucose meters, heart rate monitors, and pedometers commonly utilize these batteries.

Is My Device Compatible with CR2032?

To determine if your device is compatible with a CR2032 battery, measure the dimensions of the current battery or check the manufacturer's specifications. Ensure it fits both in diameter and height.

CR2032 Battery Size Comparison

Compared to other common button cell batteries:

• CR1616: Smaller diameter (16 mm) but similar thickness (1.6 mm).
• CR2016: Similar diameter (20 mm) but thinner (1.6 mm).
• CR2025: Larger height (2.5 mm) with the same diameter.

How Big Are CR2032 Batteries?

The CR2032 battery measures 20 millimeters in diameter and 3.2 millimeters in thickness, making it a standard size for many electronic devices requiring a compact power source.

CR2032 Battery Measurement Guide

To measure your CR2032 battery:

• Use a ruler or caliper to accurately measure the diameter and height.
• Diameter: Measure across the widest part of the battery.
• Height: Measure from the bottom flat surface to the top rounded edge.

Understanding CR2032 Battery Specs

The CR2032 is a lithium coin cell with a nominal voltage of 3 volts. It offers high energy density and a long shelf life, making it ideal for low-drain applications.

• Voltage: 3V
• Type: Lithium Manganese Dioxide (LiMnO₂)
• Cycle Life: Up to 10 years in storage

CR2032 Battery Physical Size

The physical dimensions of the CR2032 battery are critical for proper fit and function. Ensure your device's compartment matches these specifications.

• Diameter: 20 mm (0.79 inches)
• Height: 3.2 mm (0.13 inches)

CR2032 Battery Size Explained

The CR2032 battery is named according to a standardized system where the first two digits represent the diameter in millimeters, and the last two digits indicate the height in tenths of millimeters. Thus, CR2032 means 20 mm diameter and 32 tenths of a millimeter (or 3.2 mm) in height.

CR2032 Battery: Size and Specs

The CR2032 battery is a reliable power source for small electronic devices, offering precise dimensions that fit neatly into compact compartments. Its specifications include:

• Diameter: 20 mm (0.79 inches)
• Height: 3.2 mm (0.13 inches)
• Voltage: 3V
• Type: Lithium Manganese Dioxide (LiMnO₂)
• Cycle Life: Up to 10 years in storage

In conclusion, the CR2032 battery is a versatile and reliable power source for numerous electronic devices. Its precise dimensions ensure compatibility with various applications, making it an essential component for maintaining the functionality of your gadgets.