CR2025 and CR2032 Batteries: A Comprehensive Guide
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CR2025 and CR2032 Batteries: A Comprehensive Guide

Introduction
CR2025 and CR2032 batteries are small, coin-shaped lithium cells that are commonly used in a wide range of electronic devices, including watches, calculators, key fobs, and small medical devices. These batteries provide a reliable and long-lasting power source for these devices, making them a popular choice among manufacturers and consumers alike.
CR2025 and CR2032 Battery Specifications
CR2025 and CR2032 batteries have similar specifications, but there are a few key differences between the two.
CR2025 Battery:
- Diameter: 20mm
- Thickness: 2.5mm
- Voltage: 3V
- Capacity: 165mAh
- Nominal weight: 2.8g
CR2032 Battery:
- Diameter: 20mm
- Thickness: 3.2mm
- Voltage: 3V
- Capacity: 225mAh
- Nominal weight: 3.2g
The main difference between the CR2025 and CR2032 batteries is their capacity. The CR2032 battery has a higher capacity than the CR2025 battery, which means it can provide power for a longer period of time. However, the CR2032 battery is also slightly thicker than the CR2025 battery, which may not be suitable for some applications.
Applications of CR2025 and CR2032 Batteries
CR2025 and CR2032 batteries are used in a wide range of electronic devices, including:
- Watches
- Calculators
- Key fobs
- Small medical devices
- Bluetooth beacons
- RFID tags
- Backup power for CMOS memory in computers
These batteries are also used in industrial applications, such as:
- Powering sensors
- Data logging
- Remote monitoring
Advantages of CR2025 and CR2032 Batteries
CR2025 and CR2032 batteries offer several advantages over other types of batteries, including:
- Long shelf life: CR2025 and CR2032 batteries have a long shelf life of up to 10 years. This makes them ideal for applications where the battery may not be used for an extended period of time.
- High energy density: CR2025 and CR2032 batteries have a high energy density, which means they can provide a lot of power in a small package.
- Reliable performance: CR2025 and CR2032 batteries are known for their reliable performance, even in extreme temperatures.
- Low maintenance: CR2025 and CR2032 batteries are low maintenance and do not require any special charging or handling procedures.
Safety Considerations for CR2025 and CR2032 Batteries
CR2025 and CR2032 batteries are generally safe to use, but there are a few safety considerations to keep in mind:
- Keep batteries away from children: CR2025 and CR2032 batteries are small and can be easily swallowed by children. If a child swallows a battery, seek medical attention immediately.
- Do not short-circuit batteries: Short-circuiting a battery can cause it to overheat and potentially explode.
- Do not dispose of batteries in fire: Batteries can explode if they are disposed of in fire.
- Dispose of batteries properly: CR2025 and CR2032 batteries should be disposed of properly in accordance with local regulations.
Conclusion
CR2025 and CR2032 batteries are versatile and reliable power sources for a wide range of electronic devices. They offer a long shelf life, high energy density, and reliable performance. By following the safety considerations outlined in this article, you can safely use and dispose of CR2025 and CR2032 batteries.



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