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CR3032 – The First Choice for Equipment with Higher Energy Demands

The CR3032 battery, a coin lithium battery, is a cornerstone of contemporary electronic design due to its compact form and robust capabilities. With a 30mm diameter and 3.2mm height, the CR3032 has uniquely suited to power a wide array of portable electronic devices, from everyday gadgets to critical medical and industrial applications. This battery's chemistry is based on lithium manganese dioxide (LiMnO2), providing a typical capacity of 500mAh and a stable nominal voltage of 3 volts. It is worth noting that CR3032 has high energy density and the ability to maintain stable voltage output. This battery is an indispensable and important component in applications that need to consider both space efficiency and reliability. Its capability to operate across a diverse temperature range from -30°C to 60°C enhances its versatility, ensuring dependable performance under varying environmental conditions.

Catalog

1. CR3032 Battery Overview

2. Applications of the CR3032 Battery

3. CR3032 Battery Brand Recommendation

4. Equivalent Options for CR3032 Batteries

5. CR3032 and BR3032 Battery Analysis

6. Comparison of CR3032 and CR2032 Batteries

7. Conclusion

Figure 1: CR3032

CR3032 Battery Overview

The CR3032 battery is a commonly used coin lithium battery, named for its 30 mm diameter and 3.2 mm height. It's an indispensable power source for many portable electronic devices. This battery is made from lithium manganese dioxide (LiMnO2), offering a typical capacity of 500mAh and a nominal voltage of 3 volts. Some of its standout features are its high energy density, stable voltage output, and a shelf life of up to ten years. The CR3032 can operate in a wide temperature range from -30°C to 60°C, ensuring reliable performance across various applications.

Figure 2: Dimension of CR3032

Advantages of the CR3032 Battery

The CR3032 battery is favored for several reasons. Despite its relatively small size, its high energy density enables it to store large amounts of energy, making it ideal for applications in devices with strict size constraints. It also provides a stable voltage output essential for high-precision devices that require a consistent power supply. Additionally, the battery's long lifespan and its ability to work in a broad range of temperatures offer flexibility for use in different environmental conditions. The battery's reliability and compact design contribute significantly to its widespread use.

Item	Performance Characteristics
Nominal Voltage (V)	3
Nominal Capacity (mAh)	500
Height (mm)	3.2
Diameter (mm)	30
Basic Battery Weight (g)	10.5
Continuous Drain (mA)	0.2

Chart 1: Specification of CR3032

Specifications of the CR3032 Battery

Going into more detail about its specifications, the CR3032 battery has a continuous standard load of 0.2mA and a maximum pulse current of 15mA. It can be stored in temperatures ranging from -30°C to 45°C, ensuring stability and safety over long storage periods. The battery's self-discharge rate is less than 1% per year, meaning it retains its charge effectively even when not in use for extended periods.

Figure 3: Temperature Characteristics of CR3032

Applications of the CR3032 Battery

The CR3032 battery is widely used across a diverse range of applications, from household electronics to industrial equipment. For everyday use, it powers devices such as watches, calculators, and car key fobs. These small devices rely on the CR3032 battery to function continuously and reliably, whether it’s keeping time accurately in a watch or ensuring a car key fob responds instantly.

In the medical sector, the CR3032 battery provides stable power to various medical monitoring devices. These devices, which may monitor heart rate, blood glucose, or other critical indicators, depend on the consistent power supply of the CR3032 to operate accurately and without interruption.

In the realm of computing, the CR3032 is commonly used as a power source for the CMOS memory on motherboards. This role is important as it helps preserve computer settings such as the system clock and hardware configurations, ensuring that they are retained even when the computer is turned off.

The battery's versatility extends to powering toys, LED lights, and laser pointers. Its ability to deliver reliable performance in such a wide array of products highlights the battery’s flexibility and dependability.

CR3032 Battery Brand Recommendation

When the CR3032 battery fails, choose a reliable battery manufacturer, the battery can be more durable and the efficiency can be maximized. Here are some of the most reputable and well-known manufacturers known for their quality CR3032 batteries:

Panasonic: This multinational electronics company from Japan produces a wide range of batteries, including the CR3032. Known for their innovation in battery technology, Panasonic ensures high performance and reliability in their batteries.

Figure 4: Panasonic CR3032

Energizer: An American company famous for its batteries and energy-related products. Energizer offers CR3032 batteries that are popular for their long-lasting power and durability.

Figure 5: Energizer CR3032

Duracell: A leading American manufacturer of batteries and smart power systems, Duracell includes the CR3032 in their product line. They are recognized for producing dependable batteries suitable for a wide range of applications.

Figure 6: Duracell CR3032

Maxell: Known for consumer electronics, this Japanese company also provides CR3032 batteries, which are an integral part of their extensive battery lineup. Maxell batteries are valued for their quality and consistency.

Figure 7: Maxell CR3032

Sony: A multinational conglomerate from Japan, Sony manufactures a variety of electronic products, including the CR3032 battery. Their batteries are noted for their innovative design and reliable performance.

Figure 8: Sony CR3032

Renata: This Swiss company specializes in micro batteries for various applications and is renowned for their CR3032 batteries' reliability and performance.

Figure 9: Renata CR3032

Murata: A Japanese manufacturer of electronic components, including batteries. Murata produces CR3032 batteries under its brand, known for their high quality and endurance.

Figure 10: Murata CR3032

EVE Energy: A Chinese company that specializes in lithium batteries, including the CR3032. EVE Energy is noted for its advanced technology and production capabilities, offering high-performance batteries.

Figure 11: EVE Energy CR3032

Choosing from these manufacturers ensures that replacement batteries are of high quality, thereby minimizing the frequency of battery replacements and maintaining the long-term reliability of your devices

Equivalent Options for CR3032 Batteries

Several batteries are equivalent or interchangeable with the CR3032, which can be used as replacements in most devices. These alternatives might vary slightly in capacity or size but generally offer similar functionality. Here’s a detailed comparison of common CR3032 equivalents:

BR3032: This battery is directly equivalent to the CR3032, with identical size and capacity. The only difference lies in the maximum continuous rated current, which is slightly lower for the BR3032, affecting how much current it can safely provide over a prolonged period.

DL3032: Another direct equivalent to the CR3032, the DL3032 matches it in size, capacity, and performance, making it a seamless substitute for any device that originally uses a CR3032.

ECR3032: Designed specifically for low-power applications, this battery shares the same size and capacity as the CR3032. It's ideal for devices that require efficient energy usage over long periods, such as remote controls or digital thermometers.

KCR3032: This is also a direct equivalent to the CR3032, featuring the same size and capacity. It’s designed to meet or exceed the specifications of the CR3032 in various electronic devices.

LM3032: Similar to the CR3032 in size and capacity, the LM3032 offers comparable performance for devices needing consistent power delivery.

CR3031: Though not a perfect match, the CR3031 has a similar diameter (30 mm) and a slightly shorter height (3.1 mm). It can be used as a substitute in some devices, but its capacity is slightly lower at 460mAh. This may affect the battery life in devices originally designed for the CR3032.

CR3033: This battery has the same diameter as the CR3032 but is slightly taller at 3.3 mm. It also boasts a higher capacity of 600mAh, suitable for devices that can accommodate the extra height and require longer battery life.

It's important to note that while these equivalent batteries can serve as substitutes, it is always best to consult the device manufacturer’s recommendations on the most suitable battery type to ensure optimal performance and safety.

CR3032 and BR3032 Battery Analysis

What are the differences between the specifications and details of the BR3032 battery that can be used as an equivalent replacement battery and the CR3023 battery? Let's take a closer look.

Figure 12: BR3032 Battery

The BR3032 battery features a chemistry of lithium carbonate monofluoride and offers a wide operating temperature range of -20°C to 85°C. This wide temperature tolerance makes BR3032 particularly suitable for specific industrial applications where equipment may be exposed to extreme conditions.

Voltage and Performance

The BR3032 has been improved from the old model with a nominal voltage of 2.8V to a new version adjusted to 3.0V, bringing it closer to the voltage of the CR3032. This change increases flexibility in applications for both types of batteries. Additionally, the BR3032's cutoff voltage has been adjusted to 2.0V, allowing it to operate efficiently up to lower voltage limits, thereby extending its usability into a wider range of devices.

Special Purpose

BR3032 is particularly suitable for applications requiring batteries with low self-discharge rates and minimal energy loss over time. The BR3032 typically has a self-discharge rate of 1% per year or less, with a typical discharge rate of 0.03 mA, making it ideal for powering CMOS or memory batteries and other similar slow-discharge applications. It can maintain charging for a long time and provide stable power without causing significant losses, so it can be used reliably in environments where battery replacement is difficult or where power is stable.

While CR3032 and BR3032 batteries are not the most popular 3.0V lithium batteries on the market, you should not have a problem finding them at your local hardware or similar store, or online.

Mfr.'s Part #	CR3032	BR-3032/BN
Description:	BATTERY LITHIUM 3V COIN 30MM	BATTERY LITHIUM 3V COIN 30MM
Factory Lead Time	22 Weeks	22 Weeks
Material	Lithium	-
Weight	6.8g	5.5g
Series	CR3032	BR3032
Published	2006	2006
Size / Dimension	1.18Dia x 0.13 H 30.0mmx3.2mm	1.18Dia x 0.13 H 30.0mmx3.2mm
Part Status	Active	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Max Operating Temperature	60°C	80°C
Min Operating Temperature	-30°C	-30°C
Voltage - Rated DC	3V	-
Reach Compliance Code	unknown	-
Termination Style	Requires Holder	Requires Holder
Output Voltage	3V	-
Battery Chemistry	Lithium Manganese Dioxide	Lithium Poly-Carbon Monoflouride
Battery Cell Size	Coin 30.0mm	Coin 30.0mm
Capacity	500mAh	500mAh
Discharge Rate	200μA	30μA
Battery Type	PRIMARY	-
Diameter	30mm	30mm
Height	3.302mm	3.2mm
REACH SVHC	Yes	No SVHC
RoHS Status	Non-RoHS Compliant	Non-RoHS Compliant
Lead-Free	Lead-Free	Lead-Free
Termination	-	Standard
Voltage - Rated	-	3V
Outside Diameter	-	30 mm
Chemistry/Technology	-	Lithium

Chart 2: Conparasion of CR3032&BR3032 Specifications

Comparison of CR3032 and CR2032 Batteries

CR2032 battery is a more popular battery. Compared with CR3032, the scientific names of the two batteries are similar, but CR2032 is more well-known and widely used, so let us carefully compare the subtle details.

Size Comparison

When comparing a battery, size is a critical factor. The CR3032 battery has a diameter of 30mm and a height of 3.2mm, making it noticeably larger than the CR2032 battery, which has a diameter of 20mm and the same height. This size difference significantly affects their respective applications and device compatibility. Devices requiring a larger battery typically cannot accommodate a smaller one without modifications.

Capacity Difference

Capacity is a key parameter for assessing a battery's energy storage capability. The CR3032 typically boasts a capacity of 500mAh, significantly higher than the CR2032, which ranges between 225-240mAh. The larger capacity of the CR3032 makes it better suited for devices with higher power demands, allowing them to run longer on a single battery.

Voltage Comparison

Both the CR3032 and CR2032 batteries have a nominal voltage of 3V. However, the differences in capacity and size affect their ability to provide continuous power. Larger and higher-capacity batteries can generally deliver power more consistently over time compared to smaller, lower-capacity ones.

Energy Density

Energy density is an important aspect of battery design. The CR3032's larger size and higher capacity result in a greater energy density compared to the CR2032. This makes the CR3032 more appropriate for applications requiring longer use times or higher energy output, such as medical devices or security equipment.

Application Fields

The CR3032 is typically used in larger devices or those with higher energy demands, such as security devices, medical equipment, and car key fobs. In contrast, the CR2032 is more commonly found in smaller devices like watches, calculators, and small medical devices, and as a BIOS memory backup in computer motherboards.

Interchangeability

Due to their size differences, the CR3032 and CR2032 are not interchangeable in many devices. This is a factor for equipment designers and maintainers to consider when selecting the right battery for their needs.

Cost Considerations

Generally, the CR3032 is more expensive than the CR2032 due to its larger size and higher capacity. Thus, cost is another important factor to consider when choosing the right battery for specific applications, especially when budget constraints are tight.

Specifications
Classification:	"Lithium Coin"
Chemical System:	Lithium / Manganese Dioxide (Li/MnO2)
Designation:	ANSI / NEDA-5004LC, IEC-CR2032
Typical Capacity:	235 mAh (to 2.0 volts) (Rated at 15K ohms at 21°C)
Nominal Voltage:	3.0 Volts
Operating Temp:	-30C to 60°C
Typical Volume:	1.0 cubic centimeters (0.06 cubic inch)
Max Rev Charge:	1 microampere
Energy Density:	198 milliwatt hr/g, 653 milliwatt hr/cc

Chart 3: Specification of CR3032

Conclusion

The CR3032 battery stands out as a pivotal component in the realm of portable electronics due to its impressive specifications and broad applicability. Its high energy density, stable voltage output, and extended shelf life of up to ten years make it an ideal choice for a multitude of devices, ranging from household electronics to complex medical instruments. When considering a replacement or equivalent, options such as the BR3032, DL3032, and others offer similar functionality, enabling flexibility in maintenance and device design. However, for optimal performance and safety, it is important to select batteries from reputable manufacturers adhere to device-specific recommendations provide some options for users to choose the appropriate battery brand.

Frequently Asked Questions [FAQ]

1. Are CR2032 and CR3032 the same?

No, CR2032 and CR3032 batteries are not the same. While both are lithium coin batteries, they differ primarily in size and capacity. The CR2032 has a diameter of 20mm and a typical capacity of around 225-240mAh, whereas the CR3032 has a larger diameter of 30mm and a higher capacity of approximately 500mAh.

2. What is the CR3032 battery used for?

The CR3032 battery is used in a wide range of applications, particularly where a compact and reliable power source is needed. Its uses include powering electronic devices such as car key fobs, medical monitoring equipment, and portable electronics.

3. Is CR2032 hazardous?

CR2032 batteries, like other lithium coin batteries, can be hazardous under certain conditions. The primary hazard associated with these batteries arises if they are swallowed, as they can cause chemical burns and other serious injuries within a short time after being ingested.

4. Do CR2032 batteries have mercury?

No, CR2032 batteries do not contain mercury. They are made from lithium and manganese dioxide (Li/MnO2) and do not include mercury in their composition.

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