CR2032 Coin Cell Battery: How Many Cells, Specifications, and Uses Explained

The CR2032 battery contains one non-rechargeable lithium coin cell. It measures 20 mm in diameter and 3.1 mm in thickness. This 3V battery has a capacity of 210 to 220 mAh. It is commonly used in watches, scales, and remote controls, delivering reliable power for these devices.

CR2032 batteries are known for their long lifespan, often lasting several years in low-drain devices. Common uses include wristwatches, calculators, computer motherboards, and remote controls. Manufacturers often choose CR2032 batteries due to their efficiency and reliability.

Overall, the CR2032 coin cell battery serves as a versatile solution for powering small gadgets.

As we delve deeper into this topic, it is important to explore the advantages and disadvantages of using CR2032 batteries. Understanding these factors can help consumers make informed decisions about their power needs.

How Many Cells Are There in a CR2032 Coin Cell Battery?

A CR2032 coin cell battery contains a single electrochemical cell. This type of battery is commonly used in various devices, such as watches, calculators, and medical devices.

The CR2032 battery design includes a lithium chemistry, which provides a nominal voltage of 3 volts. Its name, “2032,” indicates the size: 20 millimeters in diameter and 3.2 millimeters in height.

This battery’s capacity generally ranges from 220 to 240 milliampere-hours (mAh), which allows for extended use in devices that require low power. The actual lifespan can depend on the power consumption of the device and how frequently it is used.

For example, a digital watch might last several years on a single CR2032 battery, while a more energy-demanding device, like a remote control, may require more frequent changes.

It is important to consider that environmental factors can influence battery performance. High temperatures can reduce battery life, while extremely low temperatures may temporarily diminish its output. Additionally, variations in manufacturing quality can lead to differences in performance and longevity across different brands.

In summary, a CR2032 coin cell battery contains one cell and usually offers a nominal voltage of 3 volts, with capacities around 220 to 240 mAh. For further consideration, exploring advancements in battery technology or alternative energy sources may be beneficial as electronic devices continue to evolve.

What Are the Key Specifications of a CR2032 Coin Cell Battery?

The key specifications of a CR2032 coin cell battery include voltage, capacity, chemistry, dimensions, and weight.

  1. Voltage: 3 volts
  2. Capacity: Typically ranges from 210 mAh to 240 mAh
  3. Chemistry: Lithium manganese dioxide (LiMnO2)
  4. Dimensions: 20 mm diameter, 3.2 mm height
  5. Weight: Approximately 3 grams

The specifications of the CR2032 battery highlight its versatility for various applications. Understanding these attributes is crucial when selecting the appropriate battery for devices such as watches, calculators, and key fobs.

  1. Voltage:
    The voltage of a CR2032 coin cell battery is 3 volts. This voltage is standard for most lithium coin cells. The consistent voltage helps in powering devices without interruptions.

  2. Capacity:
    The capacity of a CR2032 battery typically ranges from 210 mAh to 240 mAh. This capacity indicates how much current a battery can deliver over time. A higher capacity means longer battery life, making it ideal for devices that require extended use without frequent replacements.

  3. Chemistry:
    The chemistry of the CR2032 battery is lithium manganese dioxide (LiMnO2). This chemistry enables a stable voltage output and a low self-discharge rate. It is safer compared to other chemistries like nickel-cadmium (NiCd), which can have memory effects that reduce capacity over time.

  4. Dimensions:
    The dimensions of a CR2032 battery are 20 mm in diameter and 3.2 mm in height. These compact dimensions allow the battery to fit easily into small electronic devices. The standardized size makes it a popular choice for various applications, ensuring compatibility across numerous devices.

  5. Weight:
    The weight of a CR2032 battery is approximately 3 grams. This lightweight design contributes to the overall portability of devices that utilize this battery. Consumers often prefer lighter batteries for wearable technology, minimizing added bulk.

These specifications collectively determine the CR2032 battery’s performance in everyday electronic devices. Understanding these attributes can aid in making informed decisions about which battery to use for specific applications.

What Voltage Does a CR2032 Coin Cell Battery Provide?

The CR2032 coin cell battery provides a voltage of 3 volts.

Key points related to the CR2032 coin cell battery include:
1. Standard voltage output
2. Common applications
3. Physical dimensions
4. Chemistry type
5. Shelf life
6. Rechargeability status

To better understand the CR2032 coin cell battery, let’s delve into each of these aspects.

  1. Standard Voltage Output: The CR2032 coin cell battery delivers a standard voltage output of 3 volts. This is consistent across most brands and manufacturers. The stable voltage allows it to power devices effectively without fluctuation, making it ideal for low-power applications.

  2. Common Applications: The CR2032 battery is widely used in various devices. These include wristwatches, calculators, remote controls, and medical devices. Its versatility makes it suitable for both consumer electronics and industrial applications.

  3. Physical Dimensions: The CR2032 measures 20mm in diameter and 3.2mm in height. This compact size enables it to fit into tight spaces within electronic devices. The “CR” designation signifies a lithium chemistry, while the “2032” indicates the dimensions.

  4. Chemistry Type: The CR2032 is primarily a lithium manganese dioxide cell. This chemistry provides a high energy density, allowing for long-lasting performance. The lithium composition contributes to a broad operating temperature range, ensuring reliable function in varying conditions.

  5. Shelf Life: The shelf life of a CR2032 battery can be up to 10 years. This extended lifespan is due to its low self-discharge rate, meaning it can retain its charge for a significant period when not in use. Proper storage conditions can further enhance this longevity.

  6. Rechargeability Status: Typically, CR2032 batteries are non-rechargeable. Manufacturers specify that using these batteries in a recharging setup may lead to leakage or explosion. Rechargeable alternatives, such as the LIR2032, exist but with lower capacity.

According to a study by Battery University (2021), the widespread adoption of CR2032 batteries in electronic devices illustrates the demand for compact, reliable power sources in modern technology.

What Is the Capacity of a CR2032 Coin Cell Battery in mAh?

The capacity of a CR2032 coin cell battery is typically around 220 milliampere-hours (mAh). This measurement indicates how long the battery can supply a constant current before it is depleted.

According to the International Electrotechnical Commission (IEC), the CR2032 designation refers to a lithium coin cell battery with a nominal voltage of 3 volts and standard capacity specifications. This standard ensures compatibility across various devices.

The CR2032 battery features a small, disc-shaped design. It is widely used in devices such as watches, calculators, and medical equipment due to its compact size and reliability. Its capacity allows it to power low-drain applications effectively.

The Battery University states that the CR2032 was introduced as a replacement for older battery types and has become a standard for many electronics. Its popularity is due to its suitable size and energy density.

Factors contributing to variations in capacity include manufacturing processes, temperature, and discharge rates. High-drain applications may lead to reduced effective capacity, impacting performance.

Research shows that approximately 1.5 billion CR2032 batteries are produced annually, according to Statista. The demand is projected to rise alongside increasing use in new technology, such as Internet of Things (IoT) devices.

The reliance on CR2032 batteries impacts electronic waste issues, especially as many end up in landfills. This creates environmental concerns related to battery disposal and recycling.

Socially, their widespread usage indicates a growing dependence on portable power sources. Economically, the battery market continues to expand with increasing demand for small electronics.

Examples of impacts include the growth of the battery recycling industry to mitigate waste and the development of more sustainable battery technologies.

To address environmental issues, the European Battery Alliance recommends enhanced recycling processes and investment in research for long-lasting alternatives.

Strategies include promoting consumer awareness about battery disposal, integrating recycled materials in new batteries, and supporting innovations in energy storage technologies.

What Are the Dimensions of a CR2032 Coin Cell Battery?

The dimensions of a CR2032 coin cell battery are 20 millimeters in diameter and 3.2 millimeters in thickness.

  1. Key Attributes of CR2032 Battery:
    – Diameter: 20 mm
    – Thickness: 3.2 mm
    – Voltage: 3 volts
    – Capacity: Typically around 220 mAh
    – Weight: Approximately 3 grams

These attributes are crucial for understanding the battery’s functionality and compatibility in various devices, leading to differing opinions on its application.

  1. Attributes Explained:

Diameter of CR2032 Battery: The diameter of the CR2032 battery measures 20 millimeters. This size allows it to fit in many compact electronic devices, such as calculators and remote controls. Its standardized size enables manufacturers to design their products to accommodate this widely used battery type.

Thickness of CR2032 Battery: The thickness of the battery is 3.2 millimeters. This slim profile contributes to its use in devices where space is limited. A thicker battery might not fit in specific applications, so this dimension is vital for device compatibility.

Voltage of CR2032 Battery: The CR2032 battery delivers a voltage of 3 volts. This voltage level is common for many electronic devices, which require a reliable power source. The consistent voltage output helps ensure that devices operate efficiently.

Capacity of CR2032 Battery: The typical capacity of a CR2032 battery is around 220 milliamp-hours (mAh). This capacity indicates how long the battery can provide power. Higher-capacity batteries might last longer in devices that consume more energy.

Weight of CR2032 Battery: Weighing approximately 3 grams, the CR2032 is lightweight, which makes it suitable for portable electronic devices. Heavier batteries might hinder the design of slim gadgets, making the CR2032 advantageous in such scenarios.

Different perspectives regarding the CR2032 battery often revolve around its capacity and usage. Some users prefer batteries with higher capacity for longer-lasting power, while others prioritize the basic functionality in low-energy devices.

What Common Applications Use CR2032 Coin Cell Batteries?

CR2032 coin cell batteries are commonly used in various electronic devices due to their compact size and reliable power.

  1. Watches
  2. Key fobs
  3. Fitness trackers
  4. Medical devices
  5. Calculators
  6. Remote controls
  7. Motherboards and computers
  8. Toys

These applications highlight the versatility and essential role that CR2032 batteries play in modern technology.

  1. Watches: CR2032 coin cell batteries are widely used in wristwatches. These batteries provide a long-lasting power source that fits in small spaces. Most watches require low voltage, which CR2032 batteries deliver efficiently, ensuring that timekeeping remains accurate.

  2. Key fobs: Many car key fobs utilize CR2032 batteries. Their small size and lightweight design make it easy to replace them when they run out of power. Users often appreciate that battery replacement is simple and can be performed without professional assistance.

  3. Fitness trackers: CR2032 batteries are popular in fitness trackers. These devices demand long-lasting power for continuous monitoring of heart rates and step counts. This battery type provides the necessary longevity for users who track their health metrics daily.

  4. Medical devices: CR2032 batteries are critical in medical devices, such as glucometers and digital thermometers. These batteries must remain reliable, as accurate health monitoring often depends on them. The consistent voltage from CR2032 batteries ensures that these tools function correctly.

  5. Calculators: Many calculators rely on CR2032 batteries. They offer a stable power source that helps devices perform calculations without interruption. This durability ensures that users can depend on calculators during critical tasks.

  6. Remote controls: CR2032 batteries are frequently used in remote controls for televisions and other electronics. Their compact size allows for thin remote designs, providing user-friendly interfaces. Since remote controls are used frequently, durable battery life is essential.

  7. Motherboards and computers: In computers, CR2032 batteries are used to maintain the real-time clock on motherboards. This battery keeps track of time even when the computer is turned off. Users find that a functional battery is crucial for correct system performance.

  8. Toys: Many electronic toys use CR2032 batteries. These batteries provide a lightweight, cost-effective power solution while delivering sufficient power for lights and sound effects in toys. Parents appreciate the easy access for battery replacement, allowing for uninterrupted play.

In conclusion, CR2032 coin cell batteries serve a diverse array of applications, proving essential in both everyday consumer products and specialized devices. Their reliability and compact design make them a preferred option across various sectors.

What Devices Typically Use CR2032 Coin Cell Batteries?

CR2032 coin cell batteries are commonly used in various electronic devices.

  1. Watches
  2. Key fobs
  3. Fitness trackers
  4. Remote controls
  5. Motherboards for computers
  6. Medical devices
  7. CMOS memory battery
  8. Calculators
  9. Digital thermometers
  10. Toys

These devices showcase the versatility of CR2032 batteries, as they are utilized in everyday items and specialized equipment alike.

  1. Watches: CR2032 batteries are widely used in quartz watches. They provide a reliable power source for timekeeping functions. Most quartz watches, such as those from Citizen or Casio, utilize these small batteries due to their long shelf life and stable voltage.

  2. Key fobs: Many car key fobs rely on CR2032 batteries to operate. These batteries allow for remote locking and unlocking features, making them essential for vehicle security. According to a 2021 study, the average lifespan of a battery in a key fob is around three to four years.

  3. Fitness trackers: Devices like Fitbit and Garmin use CR2032 batteries to power their tracking functions. These batteries support features such as heart rate monitoring and activity tracking. A 2019 report by Statista indicated that around 30% of fitness trackers use coin cell batteries.

  4. Remote controls: Numerous remote controls for TVs and entertainment systems use CR2032 batteries. They offer a balance between size and power, making them a popular choice for devices that require infrequent use.

  5. Motherboards for computers: CR2032 batteries serve as backup power for CMOS settings in computer motherboards. These batteries maintain system time and BIOS settings when the computer is powered off.

  6. Medical devices: Many medical devices, including blood glucose meters and digital thermometers, utilize CR2032 batteries. These devices require a dependable power source for accurate readings.

  7. CMOS memory battery: CR2032 batteries are crucial for maintaining the memory of the CMOS chip in computers, ensuring that system settings are preserved even when the power is off.

  8. Calculators: Many scientific and graphing calculators depend on CR2032 batteries. They provide sufficient power for calculation functions and long-term use.

  9. Digital thermometers: CR2032 batteries are often found in digital thermometers used for health monitoring. Their small size and efficiency make them ideal for compact devices.

  10. Toys: Various electronic toys use CR2032 batteries. These batteries power sound effects, lights, and other interactive features in children’s toys.

In conclusion, CR2032 coin cell batteries play a critical role in powering a range of everyday and specialized devices.

How Long Does a CR2032 Coin Cell Battery Last in Different Applications?

A CR2032 coin cell battery typically lasts 3 to 10 years, depending on the application. In devices like digital watches, these batteries may last about 2 to 5 years. In remote controls, the lifespan can extend to around 5 years. In medical devices, such as glucose monitors, users may experience a life span closer to 3 years.

The differences in lifespan stem from the device’s power consumption. Low-power devices, like watches and calculators, use less energy and can prolong battery life. Conversely, devices that require more energy, such as fitness trackers or remote controls with additional functions, will drain the batteries faster.

For example, a digital watch powered by a CR2032 battery may use about 0.1 mA, leading to an expected lifespan of 5 years. In contrast, a fitness tracker that has various features may consume around 10 mA, significantly reducing battery life to approximately 1 year.

Several factors can influence CR2032 battery performance. Environmental conditions, such as extreme temperatures, can affect battery efficiency. High temperatures may accelerate chemical reactions inside the battery, reducing its lifespan. Conversely, low temperatures can decrease the battery’s ability to deliver power effectively.

In conclusion, the lifespan of a CR2032 coin cell battery varies across different applications. Low-consumption devices benefit from longer usage times, while power-intensive devices experience reduced life spans. Variability due to environmental conditions further impacts battery performance, providing important considerations for users. For those interested in optimizing battery lifespan, exploring low-energy device options or monitoring usage patterns may prove beneficial.

What Alternatives Exist for CR2032 Coin Cell Batteries?

The main alternatives to CR2032 coin cell batteries include a variety of similar battery types. These options can provide suitable replacements in electronics requiring compact power sources.

  1. CR2025 Battery
  2. CR2016 Battery
  3. LIR2032 Rechargeable Battery
  4. BR2032 Battery
  5. ML2032 Rechargeable Battery

Transitioning from alternative battery types, let’s delve into each option to better understand their characteristics and suitability.

  1. CR2025 Battery: The CR2025 battery is a coin cell battery with a thickness of 2.5 mm. It has a capacity of approximately 165 mAh, which is slightly less than the CR2032’s typical 220 mAh. Due to its thinner profile, it may be used in devices where physical space is a constraint. However, some devices designed for CR2032 may not operate optimally with this battery due to lower power availability.

  2. CR2016 Battery: The CR2016 battery is even thinner at 1.6 mm and has a capacity of around 90 mAh. This battery is suitable for devices that do not require high energy consumption. Usage in devices originally designed for the CR2032 can result in insufficient power supply and shorter operational times.

  3. LIR2032 Rechargeable Battery: The LIR2032 is a rechargeable alternative to the CR2032. It provides a nominal voltage of 3.7V, compared to the 3V of standard CR2032 batteries. This rechargeable option is beneficial in devices where frequent battery replacement is impractical. However, it requires a compatible charging circuit to function effectively.

  4. BR2032 Battery: The BR2032 battery is similar in size to the CR2032 but is designed for extreme temperature stability. It can perform better in high temperatures, which is advantageous for devices exposed to variable environmental conditions. This battery has a lower self-discharge rate and can be ideal for long-term applications.

  5. ML2032 Rechargeable Battery: The ML2032 also represents a rechargeable option. It uses lithium polymer technology to provide stable and durable performance. Its nominal voltage is similar to the CR2032, making it appropriate for many electronic devices. Just like the LIR2032, it requires specialized charging considerations.

These alternatives present various options depending on the specific needs of the device and its operational requirements. By considering the specifications and attributes of each alternative, users can make informed decisions when replacing CR2032 coin cell batteries.

What Other Coin Cell Batteries Are Compatible with CR2032?

The CR2032 coin cell battery has several compatible alternatives. These alternatives share similar dimensions and chemical properties.

  1. CR2025
  2. CR2016
  3. SR2032
  4. LR2032
  5. BR2032

These alternatives may vary in thickness, voltage, and overall capacity. Some users prefer specific types based on applications, such as low-drain devices or high-drain devices. Each type has its own benefits and drawbacks depending on usage.

The following sections will detail each alternative battery type related to the CR2032.

  1. CR2025:
    The CR2025 type is compatible with CR2032 applications. This battery is 2.5 mm thick, while the CR2032 is 3.2 mm thick. Both batteries have a voltage of 3 volts. Users can replace a CR2032 with a CR2025 in devices that have sufficient space for the thinner battery. However, since the CR2025 has a lower capacity, it may result in shorter battery life.

  2. CR2016:
    The CR2016 coin cell is another potent alternative. The thickness of this battery is 1.6 mm, making it even slimmer than the CR2025. Like the CR2032, it provides 3 volts. Devices requiring lower power consumption can benefit from using CR2016 batteries. However, similar to the CR2025, this battery may also lead to reduced longevity if the device draws too much power.

  3. SR2032:
    The SR2032 battery is a silver oxide battery. It offers a higher capacity compared to CR types, which can lead to longer-lasting power in certain applications. It maintains the same dimensions as the CR2032, providing the same voltage of 3 volts. The SR2032 may be preferable in high-drain devices, despite usually being more expensive.

  4. LR2032:
    The LR2032 battery is an alkaline variant. It provides the same dimensions and voltage as the CR2032 but typically has a lower capacity and is less suited for high-drain devices. This battery may work effectively in applications with minimal power requirements, such as remote controls and watches.

  5. BR2032:
    The BR2032 is a lithium manganese dioxide battery. This alternative maintains the physical dimensions and voltage associated with the CR2032. The BR2032 has a lower self-discharge rate, thus making it suitable for applications where the battery must last a long time without use. It might be favored in specific electronic devices requiring stable performance over time.

Understanding these alternatives can help ensure compatibility and functionality in various devices. It is crucial to consider the specific application and power requirements when choosing a compatible battery.

Where Can You Buy CR2032 Coin Cell Batteries?

You can buy CR2032 coin cell batteries at various locations. Retail stores like Walmart and Target offer these batteries in their electronics sections. Online platforms such as Amazon and eBay provide a wide selection and delivery options. Electronics stores, including Best Buy and RadioShack, typically stock CR2032 batteries as well. Convenience stores and pharmacies, like CVS and Walgreens, often carry them as well. Purchasing from these locations ensures you have access to reliable options for your needs.

What Factors Should You Consider When Purchasing CR2032 Coin Cell Batteries?

When purchasing CR2032 coin cell batteries, consider the capacity, brand reliability, shelf life, price point, and environmental impact.

  1. Capacity (mAh)
  2. Brand Reliability
  3. Shelf Life
  4. Price Point
  5. Environmental Impact

These factors can significantly influence your choice, depending on your specific needs and usage scenarios.

  1. Capacity (mAh): Capacity refers to the amount of energy a battery can store and deliver, measured in milliampere-hours (mAh). A CR2032 battery typically ranges from 200 to 240 mAh. Higher capacity batteries tend to last longer in devices with high power consumption. For example, devices such as fitness trackers require batteries with greater capacity for prolonged usage. According to Energizer, choosing a battery with an adequate capacity ensures that your device operates efficiently without frequent replacements.

  2. Brand Reliability: Brand reliability denotes the reputation and performance history of battery manufacturers. Well-known brands like Duracell and Energizer often provide more consistent quality. A study by Battery University (2020) indicates that reputable brands generally have better quality control measures, leading to more reliable battery performance. Choosing a trusted brand can reduce the risk of battery leakage or failure in critical devices.

  3. Shelf Life: Shelf life describes the duration a battery retains its performance before use. CR2032 batteries typically have a shelf life of 3 to 10 years, depending on factors like storage conditions. According to Panasonic, batteries stored in a cool, dry place tend to have a longer shelf life. Ensuring you select a battery with a sufficient shelf life is vital if you purchase in bulk or use it in infrequently utilized devices.

  4. Price Point: Price point refers to the cost of the battery compared to others on the market. While cheaper options may seem appealing, they might lack reliability. Research from Consumer Reports (2021) reveals that paying slightly more for batteries from reputable brands often results in better longevity and performance. Therefore, consider your budget while analyzing the long-term value of the battery.

  5. Environmental Impact: Environmental impact refers to the ecological effects of battery production and disposal. Many manufacturers now produce batteries that are less harmful to the environment. For example, lithium-based batteries tend to be more eco-friendly compared to traditional alkaline batteries. According to the International Energy Agency (IEA), awareness of environmental sustainability in battery technology is growing. Choosing batteries that are marked as recyclable can help reduce waste, contributing positively to ecological health.

By evaluating these factors, consumers can make informed decisions when purchasing CR2032 coin cell batteries.

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