difference between cr2025 and cr2032 battery
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CR2025 vs. CR2032 Batteries: A Comprehensive Comparison
Introduction
CR2025 and CR2032 batteries are two of the most common coin cell batteries used in a wide range of electronic devices. Despite their similar appearance, these batteries have distinct characteristics that make them suitable for different applications. This article provides a comprehensive comparison between CR2025 and CR2032 batteries, examining their key differences in terms of size, capacity, voltage, lifespan, and applications.
Size and Dimensions
One of the primary differences between CR2025 and CR2032 batteries lies in their physical dimensions. CR2025 batteries have a diameter of 20 millimeters and a thickness of 2.5 millimeters, while CR2032 batteries have a diameter of 20 millimeters and a thickness of 3.2 millimeters. This slight difference in thickness makes CR2032 batteries slightly heavier than CR2025 batteries.
Capacity and Voltage
The capacity of a battery refers to the amount of electrical charge it can store, while the voltage refers to the electrical potential difference between its terminals. CR2025 batteries typically have a capacity of 160mAh (milliamp-hours), while CR2032 batteries have a higher capacity of 220mAh. This means that CR2032 batteries can provide more power for a longer period of time.
In terms of voltage, both CR2025 and CR2032 batteries have a nominal voltage of 3 volts. This voltage is suitable for powering a wide range of low-power electronic devices, such as calculators, watches, and remote controls.
Lifespan and Shelf Life
The lifespan of a battery refers to the period of time it can provide power before needing to be replaced. CR2025 batteries typically have a lifespan of 3-5 years, while CR2032 batteries have a slightly longer lifespan of 5-7 years. This difference in lifespan is primarily due to the higher capacity of CR2032 batteries.
The shelf life of a battery refers to the period of time it can be stored before its performance begins to degrade. CR2025 and CR2032 batteries both have a shelf life of approximately 10 years when stored in a cool, dry place.
Applications
CR2025 and CR2032 batteries are used in a wide variety of electronic devices, including:
- CR2025 Batteries: Watches, calculators, remote controls, small medical devices
- CR2032 Batteries: Keyless car fobs, wireless sensors, fitness trackers, larger medical devices
The higher capacity of CR2032 batteries makes them more suitable for applications that require longer battery life or higher power output. For example, CR2032 batteries are commonly used in wireless sensors that transmit data over long periods of time.
Interchangeability
CR2025 and CR2032 batteries are not interchangeable in all applications. While they have the same diameter, the different thickness of CR2032 batteries may prevent them from fitting properly in devices designed for CR2025 batteries. It is important to refer to the device manufacturer’s specifications to determine the correct battery type.
Conclusion
CR2025 and CR2032 batteries are two distinct coin cell batteries with different characteristics and applications. CR2025 batteries have a smaller size and lower capacity, making them suitable for small, low-power devices. CR2032 batteries have a larger size and higher capacity, making them ideal for applications requiring longer battery life or higher power output. By understanding the key differences between these two battery types, you can choose the right battery for your specific needs.
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