The CR2032 battery is a non-rechargeable coin cell. It has a size of 20mm diameter and 3.2mm thickness. Its nominal voltage is 3V, with a maximum of 3.2V and a minimum of 2.5V while in use. The battery capacity is 220mAh under normal conditions.
CR2032 batteries typically have a nominal voltage of 3 volts, providing reliable power for extended periods. They possess a capacity of around 220 mAh, which indicates how long they can supply a certain amount of current. This capacity may vary slightly among different brands.
Popular brands producing CR2032 batteries include Energizer, Duracell, and Panasonic. These manufacturers offer consistent quality and long-lasting performance. Users prefer CR2032 batteries for their ease of availability and versatility in applications.
As technology evolves, the demand for this battery size remains high. Understanding the specifications, uses, and leading brands ensures consumers make informed choices. Next, we will explore how to properly store and dispose of CR2032 batteries, further emphasizing safe practices for users and the environment.
What Is the Size of a CR2032 Battery?
The CR2032 battery is a small, round lithium coin-cell battery used in various electronic devices. Its dimensions are 20 millimeters in diameter and 3.2 millimeters in height.
According to the International Electrotechnical Commission (IEC), the designation “CR” signifies a lithium chemistry, while “20” refers to the diameter in millimeters, and “32” denotes the thickness in tenths of a millimeter.
The CR2032 battery features a nominal voltage of 3 volts. It provides a reliable power source for devices such as wristwatches, calculators, and medical devices. Its compact design and lightweight nature make it popular for portable electronics.
The U.S. Department of Energy describes coin-cell batteries, including the CR2032, as crucial because of their versatility and efficiency. This type of battery is easily replaceable and widely available, enhancing convenience for consumers.
Factors contributing to battery life include usage frequency, operating temperature, and device energy requirements. Batteries tend to lose charge quicker at extreme temperatures.
According to a report by Freedonia Group, the global market for lithium batteries, including CR2032, is projected to reach over $38 billion by 2025, reflecting an increasing reliance on portable electronics.
The widespread use of CR2032 batteries affects electronic waste management. Improper disposal can lead to environmental contamination due to the heavy metals present in battery components.
Addressing battery disposal issues, organizations such as Call2Recycle recommend recycling programs. Effective recycling reduces landfill waste and prevents toxic substances from leaching into the environment.
Promoting education on proper disposal and establishing battery take-back programs can mitigate environmental impacts. Using rechargeable alternatives for some applications can also lessen demand for single-use batteries.
What Are the Technical Specifications of a CR2032 Battery?
CR2032 batteries are lithium coin cells commonly used in small electronic devices. They are known for their compact size and reliable performance.
The main technical specifications of a CR2032 battery include:
1. Diameter: 20 mm
2. Height: 3.2 mm
3. Nominal Voltage: 3V
4. Capacity: 220-240 mAh
5. Chemistry: Lithium Manganese Dioxide (LiMnO2)
6. Temperature Range: -20°C to +60°C
7. Shelf Life: Up to 10 years
8. Weight: Approximately 3 grams
These specifications highlight the design and performance features of the CR2032 battery. Understanding these attributes can enhance their application knowledge.
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Diameter:
The diameter of a CR2032 battery is 20 mm. This size is standard for coin cell batteries, allowing compatibility with many devices. -
Height:
The height of a CR2032 battery is 3.2 mm. This compact height helps save space in electronic devices. -
Nominal Voltage:
The nominal voltage of a CR2032 battery is 3V. This voltage is optimal for powering a wide range of devices. -
Capacity:
The capacity of a CR2032 battery ranges from 220 to 240 mAh. This capacity indicates how long the battery can power a device before needing replacement. -
Chemistry:
CR2032 batteries use lithium manganese dioxide as their chemistry. This choice provides high energy density and stable voltage output. -
Temperature Range:
The CR2032 battery operates effectively in temperatures from -20°C to +60°C. This range ensures functionality in various environmental conditions. -
Shelf Life:
The shelf life of a CR2032 battery is up to 10 years. This long shelf life makes them ideal for emergency devices. -
Weight:
The weight of a CR2032 battery is approximately 3 grams. This lightweight property is essential for portable electronics.
In summary, the CR2032 battery has standardized dimensions and electrical specifications that enhance its utility in multiple applications.
What Is the Diameter and Thickness of a CR2032 Battery?
The CR2032 battery is a coin cell battery commonly used in small electronic devices. It has a diameter of 20 mm and a thickness of 3.2 mm. This standard size allows it to fit into various consumer products like watches, calculators, and remote controls.
The International Electrotechnical Commission (IEC) defines the CR2032 battery’s physical specifications, ensuring consistency across manufacturers and applications. The IEC’s standardization aids manufacturers and consumers alike by providing reliable performance metrics.
The designation “CR2032” indicates its dimensions and chemistry. The “20” refers to the diameter of 20 mm, while “32” indicates the thickness of 3.2 mm. These batteries usually contain lithium, offering a high energy density and long shelf life.
According to Energizer, a prominent battery manufacturer, CR2032 batteries have a nominal voltage of 3 volts. This voltage is crucial for maintaining proper function in various electronic devices.
CR2032 batteries contribute to the reliability of many devices, extending their operational durability. Their compact size, paired with a reliable energy source, has led to widespread adoption in the electronics market.
The estimated production of CR2032 batteries reached approximately 3 billion units annually as of 2020, as reported by Statista. This figure underscores the increasing reliance on small electronics and their power requirements.
Improper disposal and environmental concerns surrounding lithium-ion batteries have raised significant issues. Smartphones and wearables often rely on CR2032 batteries, affecting consumers’ purchasing and recycling behavior.
To mitigate environmental impact, the Battery Manufacturers Association recommends proper recycling and disposal practices for used batteries. They suggest participating in community collection events and utilizing recycling centers.
Advancements in battery technology, such as developing rechargeable alternatives, can help address concerns about waste and resource depletion. Innovations in solid-state battery technology present future opportunities to improve battery lifespan and efficiency.
What Is the Voltage Rating of a CR2032 Battery?
A CR2032 battery is a small, commonly used lithium coin cell battery that provides a nominal voltage of 3 volts. This battery is widely found in various devices such as watches, calculators, and remote controls.
According to Battery University, CR2032 batteries are designed to maintain consistent voltage output over an extended period, making them reliable for low-drain devices. The “CR” designation indicates that it is a lithium battery, while the numbers refer to its dimensions: 20mm in diameter and 3.2mm in thickness.
The 3-volt rating of a CR2032 battery allows it to perform effectively in applications requiring a stable power source. These batteries are known for their long shelf life, often lasting up to 10 years when unused. Their ability to operate in a wide temperature range facilitates use in diverse environments.
According to the International Electrotechnical Commission, lithium batteries like the CR2032 have a high energy density, meaning they store more energy in a smaller size compared to other battery types, such as alkaline batteries. This characteristic is vital in compact devices that cannot accommodate larger battery formats.
Improper disposal of CR2032 batteries may lead to environmental hazards. Research from the U.S. Environmental Protection Agency indicates that batteries contribute to metal pollution if discarded incorrectly.
To minimize negative effects, organizations like Call2Recycle recommend battery recycling programs. Promoting educational campaigns about proper disposal can significantly reduce environmental risks associated with lithium batteries.
What Devices Commonly Use a CR2032 Battery?
CR2032 batteries commonly power small electronic devices that require a compact power source.
- Common devices using CR2032 batteries:
– Watches
– Key fobs
– Remote controls
– Fitness trackers
– Medical devices (e.g., glucose meters)
– Computer motherboards (BIOS battery)
– Toys
From the list above, we can see a range of applications in which CR2032 batteries are utilized.
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Watches: CR2032 batteries are widely used in quartz watches. These batteries provide reliable power for timekeeping functions in both digital and analog watches. Most wristwatches require minimal energy, making CR2032 a perfect fit. According to a study by the Battery University, quartz watches can operate for years on a single CR2032, making them a practical choice.
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Key fobs: Many automobile remote key fobs use CR2032 batteries. These batteries enable features like locking and unlocking doors, as well as starting the engine. A notable benefit is their compact size, which fits into the slim design of key fobs.
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Remote controls: Various remote controls, including those for televisions and air conditioners, often utilize CR2032 batteries. Their longevity ensures that users do not frequently replace them. Research shows that a typical CR2032 battery can last between 6 months to 2 years in such applications, depending on usage frequency.
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Fitness trackers: Many fitness tracking devices employ CR2032 batteries due to the battery’s size and energy efficiency. Fitness trackers that monitor heart rate, steps, and sleep patterns benefit from the longevity of CR2032 batteries. For instance, a study by The Journal of Sports Sciences highlights that these devices can have weeks to months of active use on one battery.
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Medical devices: Medical devices like glucose meters often require CR2032 batteries. These batteries provide the necessary energy for accurate readings. The reliability and sturdiness of CR2032 batteries are crucial in medical settings, where precise functionality is paramount.
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Computer motherboards: CR2032 batteries serve as CMOS batteries in computer motherboards. They help store BIOS settings and system time. A computer can lose this information when unplugged unless a functioning CR2032 battery is in place, demonstrating their importance in maintaining system integrity.
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Toys: Many toys, especially those that require sound or light features, use CR2032 batteries. This application is widespread because these batteries are safe, small, and easy to replace. Parents often prefer CR2032 batteries as they do not pose significant hazards to children.
The diversity of devices that use CR2032 batteries illustrates their importance in daily life. Their compact size, long shelf life, and reliable power make them a popular choice for many consumer electronics.
What Are the Most Popular Brands of CR2032 Batteries?
The most popular brands of CR2032 batteries include Panasonic, Duracell, Energizer, Sony, and Renata. These brands are well-regarded for their reliability and performance.
- Panasonic
- Duracell
- Energizer
- Sony
- Renata
Several factors could influence preferences for different brands. Some consumers prioritize cost, while others focus on longevity or specific device compatibility. In contrast, some debate whether cheaper brands offer sufficient quality.
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Panasonic: Panasonic is recognized for its reliable performance and longevity. Many users report satisfaction with its consistent energy output. The brand also manufacturers a lithium variant, which enhances shelf life and reliability in operating devices.
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Duracell: Duracell is well-known for its rigorous testing standards. The battery’s long-lasting performance makes it popular for high-drain devices like toys and medical equipment. According to a Consumer Reports study (2022), Duracell batteries perform better in extreme temperatures than many competitors.
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Energizer: Energizer offers both alkaline and lithium options for CR2032 batteries. Users often select Energizer for its strong performance in devices that require sustained energy. A study by Battery University (2021) highlighted Energizer’s excellent capacity retention during extended usage.
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Sony: Sony is esteemed not only for its electronics but also for its batteries. Sony CR2032 batteries are often favored for use in cameras and other electronics. Users note their consistent voltage delivery and durable shelf life.
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Renata: Renata is a Swiss manufacturer known for its high-quality batteries. Consumers appreciate its lithium batteries for precision instruments and medical devices, like glucose meters. The brand often receives high marks in user reviews due to low self-discharge rates.
In conclusion, popular brands like Panasonic, Duracell, Energizer, Sony, and Renata offer a range of CR2032 batteries. Each brand provides unique advantages that cater to different needs and preferences.
What Should You Consider When Selecting a CR2032 Battery?
When selecting a CR2032 battery, consider factors such as capacity, brand reliability, expiration date, price, and application compatibility.
- Capacity (measured in mAh)
- Brand Reliability
- Expiration Date
- Price
- Application Compatibility
Understanding these factors helps ensure you choose the best CR2032 battery for your needs.
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Capacity (measured in mAh): Capacity refers to the energy storage capability of the battery, measured in milliamp hours (mAh). A higher mAh rating means longer battery life. For instance, a CR2032 battery can range from 200 to 240 mAh. Choosing a battery with higher capacity is crucial for devices that require sustained energy, like fitness trackers or remote-controlled toys.
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Brand Reliability: Brand reliability affects battery performance and lifespan. Established brands, such as Duracell or Energizer, are often recommended due to their consistent quality. Consumer reviews and expert opinions can help assess a brand’s reputation. A study by Consumer Reports (2022) ranked various brands based on performance metrics, with reputable brands often outperforming lesser-known ones.
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Expiration Date: The expiration date indicates how long the battery can be stored before it loses its charge. Most CR2032 batteries last for 3 to 7 years if stored properly. Consider the expiration date when purchasing. A fresh battery ensures maximum performance, particularly for low-drain devices, such as watches or digital thermometers.
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Price: Battery prices can vary significantly based on brand and retailer. While cheaper batteries may seem appealing, they may not offer the same performance and longevity as higher-priced options. It is often advisable to invest a little more for reliable batteries, especially for critical devices.
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Application Compatibility: Specific devices may require unique battery attributes. For example, some applications may benefit from a higher discharge rate, while others may prioritize long-term power storage. Always check the device specifications to ensure compatibility with the selected CR2032 battery. User manuals often provide recommendations for compatible batteries, which can enhance device performance.
By considering these aspects, you will make an informed decision when selecting a CR2032 battery that best suits your needs.
How Long Can You Expect a CR2032 Battery to Last?
A CR2032 battery typically lasts between 2 to 10 years, depending on various factors. On average, most batteries provide about 5 years of reliable performance in devices like watches, calculators, and remote controls. The lifespan varies based on how frequently the device is used, the energy demands of the device, and the storage conditions.
Devices that consume more power can reduce the battery’s lifespan. For example, a digital watch may use less energy, allowing the battery to last up to 10 years. In contrast, a LED keychain flashlight that draws more current might only use the battery for about 2 years. The expected lifespan can also be affected by environmental factors. High temperatures can accelerate battery depletion, while extremely low temperatures can inhibit battery efficiency.
Additionally, the quality of the battery brand plays a role in lifespan. Premium brands often employ better production processes, resulting in batteries that last longer than generic options.
In summary, while a CR2032 battery lasts on average 5 years, this can vary based on the device’s energy consumption, the environment, and the battery’s brand quality. For further exploration, you may consider researching the specific energy requirements of devices powered by CR2032 batteries or looking into battery recycling options.
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