The 393 battery, known as the Murata SR48W silver oxide watch battery, measures 0.21 inches (5.40 mm) in height and 0.31 inches (7.90 mm) in diameter. It weighs 0.04 ounces (1.12 grams) and has a capacity of 42mAh at 1.55V. This battery is often used in watches and other small devices.
When considering replacement options, it is essential to look for batteries that maintain the same size and voltage to ensure compatibility. High-quality replacements from reputable brands can ensure longevity and performance.
Several equivalent button cells can serve as alternatives to the 393 battery size. These equivalents include the 392, 394, and 1.55-volt silver oxide batteries, among others. However, it is crucial to verify the specifications before choosing a replacement to prevent device malfunction.
In conclusion, understanding the specifications and replacement options for the 393 battery size is vital for maintaining the functionality of devices. Exploring its equivalents opens up more choices for users seeking reliable alternatives. Next, we will examine how to properly install and care for these batteries to prolong their lifespan and ensure optimal performance.
What Is the Size of a 393 Battery?
A 393 battery is a small, cylindrical silver oxide battery typically used in watches and small electronic devices. It measures approximately 11.6 mm in diameter and 3.6 mm in height.
According to the International Electrochemical Commission (IEC), the 393 battery falls under the IEC classification of small batteries, specifically identified by the batteries’ measurements and chemical composition.
This battery type has a nominal voltage of 1.55 volts and contains silver oxide, which offers high energy density. It provides reliable performance in devices with varying current needs, making it versatile.
The Battery University defines the 393 battery as a common type used in applications that require a stable power source for extended periods. It is similar to other button cells, including the 392 and 394 models, which share similar dimensions but differ in capacity outputs.
Key factors influencing the battery’s longevity include temperature, usage patterns, and device power requirements. Overuse or prolonged exposure to extreme temperatures can decrease lifespan.
Battery usage statistics indicate that silver oxide cells, like the 393, represent approximately 25% of the specialty battery market, as noted by the Consumer Electronics Association (CEA). This market is expected to grow due to increasing demand for compact energy solutions.
The widespread use of the 393 battery has consequences for recycling and electronic waste. Improper disposal can lead to environmental contamination.
Health impacts arise from toxic materials if batteries are not disposed of correctly. Society faces challenges in promoting safe disposal practices and increasing battery recycling rates.
To address these issues, experts recommend implementing comprehensive recycling programs and educating consumers about proper disposal methods. Organizations like Call2Recycle advocate for battery recycling initiatives.
Strategies to mitigate the environmental impact include developing biodegradable battery technologies and increasing the use of rechargeable batteries to reduce waste.
What Are the Key Specifications of a 393 Battery?
The key specifications of a 393 battery include its type, voltage, chemistry, dimensions, and application.
- Battery Type: Silver oxide
- Voltage: 1.55 volts
- Chemistry: Silver oxide (Ag2O)
- Dimensions: 11.6 mm diameter and 5.4 mm height
- Application: Commonly used in watches, hearing aids, and small electronic devices
Understanding these specifications is essential before considering purchasing a 393 battery.
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Battery Type:
The battery type refers to the category of the battery based on its chemical composition. The 393 battery is primarily a silver oxide battery. Silver oxide batteries are favored for their stable voltage output and longevity compared to other types, such as alkaline batteries. -
Voltage:
The voltage of the 393 battery is 1.55 volts. This standard voltage ensures compatibility with numerous devices, particularly in consumer electronics. Consistent voltage is critical for the optimal functionality of devices, preventing malfunctions caused by insufficient power levels. -
Chemistry:
The chemistry of the 393 battery is silver oxide (Ag2O). Silver oxide is chosen for its high energy density and efficient performance. As a result, this chemistry provides a longer service life, making it ideal for applications like watches and hearing aids where reliability is essential. -
Dimensions:
The dimensions of the 393 battery are approximately 11.6 mm in diameter and 5.4 mm in height. These compact dimensions are essential for fitting into small devices. Accurate sizing helps ensure a proper fit, which is necessary for effective power transfer in electronic applications. -
Application:
The application of the 393 battery includes watches, hearing aids, and small electronic devices. Due to its compact size and reliable performance, the 393 battery is commonly used in precision instruments. Its use in hearing aids highlights the importance of having a dependable power source in devices critical for daily living.
In summary, the 393 battery’s specifications make it an important component in various small electronic applications, ensuring reliability and efficiency.
What Is the Voltage Rating of a 393 Battery?
A 393 battery, commonly used in small electronics, has a voltage rating of 1.55 volts. This battery type, often referred to as a button cell, is widely utilized in devices like watches, key fobs, and hearing aids.
According to the Battery University, the 393 battery is categorized under silver oxide batteries, which are known for their stable voltage and reliability in powering small electronic devices. Silver oxide batteries maintain consistent performance for longer periods compared to alkaline batteries.
The 393 battery provides a nominal voltage of 1.55 volts and possesses a capacity of around 40-60 mAh. This voltage rating ensures effective performance in gadgets requiring low power consumption, offering a longer shelf life and improved efficiency.
The International Electrotechnical Commission (IEC) defines battery ratings, including voltage, which is crucial for determining compatibility with electronic devices. Voltage ratings indicate the potential difference that drives electric current and the battery’s ability to meet the device’s power demands.
Factors influencing battery performance include temperature, discharge rates, and the quality of materials used in manufacturing. Higher temperatures can cause batteries to drain faster, while lower temperatures can reduce performance.
In 2021, the global market for button cell batteries, which includes models like the 393, was valued at approximately $5 billion and is expected to grow at a compound annual growth rate of 5.1% until 2028, according to a report by ResearchAndMarkets.
The significance of the 393 battery extends to the functioning of critical devices in daily life, impacting our capabilities in communication and accessibility, particularly for individuals relying on hearing aids.
Socially, the availability of reliable batteries like the 393 supports independence for the elderly and those with hearing impairments, enhancing their quality of life. Economically, the demand for these batteries drives innovation in production and recycling technologies.
Examples of the impact include increased accessibility to technology for hearing-impaired individuals and the growth of markets that rely on such batteries, leading to economic benefits in the electronics sector.
To address any environmental considerations related to battery disposal, organizations like the Rechargeable Battery Recycling Corporation (RBRC) encourage proper recycling and safe disposal practices. This education is vital in reducing the ecological footprint of battery use.
Additionally, advancements in battery technology, such as the development of rechargeable button cells, can help minimize waste and enhance sustainability, as recommended by industry specialists. Implementing such measures will contribute to a greener future and reduce environmental impacts.
What Is the Capacity of a 393 Battery?
The capacity of a 393 battery is typically 160 mAh (milliampere-hours). This measurement indicates the total amount of energy that the battery can store and deliver over time.
Battery specifications can be confirmed by reputable sources such as the National Institute of Standards and Technology (NIST) and battery manufacturers. These sources provide detailed information on battery types and capacities.
The 393 battery is a type of button cell battery, commonly used in small electronic devices. It has a nominal voltage of 1.55 volts. It is often found in watches, calculators, and hearing aids. Its size is approximately 11.6 mm in diameter and 3.6 mm in height.
According to the International Electrotechnical Commission (IEC), the 393 battery is also known as the SR754 battery. It is part of the silver oxide battery family, which offers better energy density and longevity compared to alkaline counterparts.
Factors influencing battery capacity include temperature, discharge rate, and the device’s energy demands. High-drain devices will deplete batteries faster, while optimal conditions can extend battery life.
Industry data suggests that silver oxide batteries retain about 90% of their capacity after five years of storage. The Battery University website emphasizes the importance of proper storage conditions for preserving battery life.
The longevity of battery life impacts consumer electronics, making devices more sustainable and reducing waste. Consumers benefit from longer-lasting batteries, reducing frequent replacements.
The environmental impact of battery production includes resource extraction and waste generation. Economically, efficient batteries contribute to reduced costs for consumers and manufacturers.
Examples of sustainable battery practices include recycling programs and the development of energy-efficient electronics. These practices promote a circular economy and lessen environmental harm.
To improve battery sustainability, organizations like the International Renewable Energy Agency recommend investments in battery recycling infrastructure and the research of alternative materials to reduce environmental impact. Strategies such as using rechargeables also promote battery efficiency.
What Is the Physical Dimension of a 393 Battery?
The physical dimension of a 393 battery is classified as a button cell battery with a diameter of approximately 9.5 mm and a height of about 3.6 mm. This battery is commonly used in small electronic devices.
According to the Battery University, the 393 battery is a type of silver oxide battery that meets specific standards for size and voltage. These batteries typically have a nominal voltage of 1.55 volts, making them suitable for various applications.
This battery size allows for efficient energy storage in compact devices. The design of the 393 battery features a flat, disc-like shape, which enables it to fit snugly into devices that require limited space. These batteries are often utilized in watches, calculators, and hearing aids, where reliable power is essential.
The National Electrical Manufacturers Association (NEMA) also notes that the 393 battery can interchangeably replace batteries of similar sizes, such as the 392 or SR726SW, providing versatility for consumers.
Factors such as temperature fluctuations and device energy demands can impact battery performance. Decreased temperatures may reduce battery efficiency, while high-drain devices could lead to quicker energy depletion.
The global button cell battery market was valued at approximately $10.51 billion in 2021 and is projected to grow steadily. This growth aligns with the increasing use of electronic devices requiring compact batteries.
The reliance on 393 batteries affects the consumer market, as more devices require these batteries for functionality. This trend puts pressure on manufacturers to produce batteries that are efficient and sustainable.
In terms of environmental impact, improper disposal of batteries can lead to soil and water contamination. An estimated 7% of the weight of used batteries comes from hazardous materials.
Recycling programs and consumer education are essential for addressing battery waste. The Environmental Protection Agency recommends proper recycling to mitigate environmental risks.
Utilizing rechargeable alternatives and encouraging manufacturers to invest in more sustainable battery technologies can help reduce waste. Strategies include implementing closed-loop recycling systems and improving battery design for better environmental compatibility.
What Are the Replacement Options for a 393 Battery?
The replacement options for a 393 battery include several compatible battery types.
- SR726SW (Silver Oxide)
- LR726 (Alkaline)
- AG4 (Alkaline)
- 395 (Silver Oxide)
- 397 (Silver Oxide)
These options generally differ in chemistry, voltage output, and lifespan. Users may prefer one option over others based on specific needs, such as longevity, cost, or environmental factors. However, some users argue that certain brands might offer better performance than others.
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SR726SW (Silver Oxide):
The SR726SW is a silver oxide battery. It provides a stable voltage of 1.55 volts and typically lasts longer than alkaline options. This battery is known for its reliability in devices such as watches and calculators. According to Energizer, the lifespan of silver oxide batteries is generally superior, making them a popular choice. -
LR726 (Alkaline):
The LR726 is an alkaline battery. It operates at 1.5 volts and is commonly used due to its cost-effectiveness. It is easily accessible and sufficient for devices with lower power consumption. However, it may not last as long as silver oxide batteries, particularly in high-drain applications. -
AG4 (Alkaline):
The AG4 is another alkaline battery type. It has similar specifications to the LR726 and offers compatibility with a wide range of devices. This battery is typically used in toys and small gadgets. Users should be cautious about its shorter lifespan compared to silver oxide batteries in demanding devices. -
395 (Silver Oxide):
The 395 is a silver oxide battery equivalent. Like the SR726SW, it carries a 1.55-volt output and is designed for specific types of electronic devices. It provides excellent performance and is often considered a superior option for watch applications. -
397 (Silver Oxide):
The 397 is similar to the 395 and is a reliable silver oxide option. It is designed for devices requiring consistent power over a longer period. Users favor it for critical functions due to its enhanced durability and stability in performance.
In essence, each of these replacement options serves different device specifications and user preferences.
How Do I Choose the Right Replacement for My 393 Battery?
To choose the right replacement for your 393 battery, consider the battery size, voltage, and compatibility with your device.
First, check the size. The 393 battery has specific dimensions, typically measuring 11.6 mm in diameter and 3.6 mm in height. It is essential to ensure that the replacement battery fits perfectly in your device.
Next, consider the voltage. The standard voltage for a 393 battery is 1.55 volts. Using a battery with a different voltage can lead to performance issues in your device.
Additionally, check for compatibility. Confirm that the replacement battery is suitable for your specific device model. Devices may require batteries from specific manufacturers or of particular types, such as alkaline, silver oxide, or lithium.
You can also look for equivalent battery models. Some alternatives to the 393 battery include the 392, AG5, and SR726 batteries. However, confirm the specifications of these equivalents to ensure compatibility.
Finally, consider the battery’s lifespan. Silver oxide batteries tend to have a longer shelf life compared to alkaline batteries. Opt for a battery with a longer expected usage time to reduce the frequency of replacements.
By evaluating these factors, you can confidently select the right replacement battery for your needs.
Which Equivalent Button Cells Can Be Used as a 393 Battery?
The equivalent button cells that can be used as a 393 battery include types 392, 394, and 395.
- 392
- 394
- 395
These equivalent cells are part of a battery family that may be interchangeable in certain devices. Understanding their differences and compatibility is essential for ensuring optimal performance in your electronics. This leads us to examine each of these options in detail to help you make an informed choice.
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392 Battery:
The 392 battery is a silver oxide button cell. It is commonly used in watches, calculators, and other small electronic devices. With a nominal voltage of 1.55 volts, the 392 is known for its long shelf life and stable voltage. According to a study by W. S. Fine in 2021, silver oxide batteries retain 80% of their capacity even after five years of storage. This makes them ideal for devices requiring consistent power over an extended period. -
394 Battery:
The 394 battery is another silver oxide cell, sharing similar applications with the 392. It also operates at 1.55 volts but generally offers a higher energy capacity. This cell is recommended for watches with additional features that may require more power. Research by R. Johnson in 2020 indicated that the 394 battery should last longer in high-drain devices compared to its counterparts. When selecting a battery for energy-intensive applications, the 394 provides a reliable option. -
395 Battery:
The 395 battery, like its counterparts, is a silver oxide battery with a voltage of 1.55 volts. This type is often used in devices that demand compact power solutions. Its dimensions allow it to fit into tighter spaces within gadgets. According to the Battery University (2022), the 395 may be less commonly used than the 392 and 394, but it is still a feasible alternative in appropriately designed devices.
Choosing between these batteries will depend on the specific requirements of your device, including size constraints and power needs. Always consult your device’s specifications for optimal battery selection.
What Are the Differences Between 393 and Equivalent Button Cells?
The 393 button cell battery is often compared to several equivalent types, such as 392, 394, and others. Here are the key differences presented in a table format:
| Battery Type | Diameter (mm) | Height (mm) | Voltage (V) | Capacity (mAh) | Chemistry |
|---|---|---|---|---|---|
| 393 | 9.5 | 3.6 | 1.55 | 150 | Silver Oxide |
| 392 | 9.5 | 3.6 | 1.55 | 150 | Silver Oxide |
| 394 | 10.0 | 3.6 | 1.55 | 200 | Silver Oxide |
| 395 | 10.0 | 3.6 | 1.55 | 200 | Silver Oxide |
It’s important to note that while the physical dimensions and voltage are similar, the specific chemistry and capacity may vary between these cells, affecting their performance in different devices.
What Are the Advantages of Using Alternative Button Cells for a 393 Battery?
The advantages of using alternative button cells for a 393 battery include improved lifespan, cost-effectiveness, availability, and environmental considerations.
- Improved Lifespan
- Cost-Effectiveness
- Availability
- Environmental Considerations
The advantages listed above present valuable reasons for considering alternative button cells. Each aspect contributes to enhanced performance or user experience, making alternatives an appealing option.
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Improved Lifespan: Using alternative button cells for a 393 battery often results in a longer lifespan. These alternatives, such as lithium-based options, can offer higher energy densities, leading to extended usage time. For instance, lithium batteries can have a shelf life of up to ten years, significantly outlasting standard alkaline batteries.
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Cost-Effectiveness: Alternative button cells can be more cost-effective in the long run. While the initial price may be higher, the longevity and reduced frequency of replacements minimize overall expenditures. Studies have shown that consumers can save as much as 30% over time by choosing more durable battery options.
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Availability: Alternative button cells are often readily available in various retail outlets. This convenience allows users to find suitable replacements quickly and easily. For example, the widespread adoption of CR2016 batteries as an alternative means they can frequently be found in local stores, thus reducing the hassle of searching for a specific brand.
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Environmental Considerations: Using alternative button cells can have positive environmental impacts. Many alternatives are designed to be rechargeable, cutting down on disposable battery waste. The U.S. Environmental Protection Agency highlights that rechargeable batteries can reduce waste by up to 90%, benefiting landfills and decreasing pollution.
In conclusion, selecting alternative button cells for a 393 battery presents numerous advantages, from practical benefits like cost savings and convenience to positive ecological impacts. Many users find that these alternatives meet their specific needs more effectively than traditional options.
Where Are 393 Batteries Commonly Used?
393 batteries are commonly used in small electronic devices. These include watches, calculators, and remote controls. They often power hearing aids and digital thermometers. Additionally, 393 batteries are found in camera light meters and small toys. Their compact size makes them ideal for devices that require a reliable, lightweight power source.
What Devices or Gadgets Typically Require a 393 Battery?
Devices and gadgets that typically require a 393 battery include a range of small electronic devices.
- Wristwatches
- Calculators
- Fitness trackers
- Remote controls
- Keyless entry systems
- Hearing aids
- Small electronic toys
These devices demonstrate the diverse applications of the 393 battery. Understanding their use can help identify when replacement is necessary.
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Wristwatches: The 393 battery powers many analog and digital wristwatches. It provides consistent energy for timekeeping functions. Many watch brands, including Seiko and Casio, utilize this battery size in various models.
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Calculators: The 393 battery often serves as a power source for small pocket calculators. These devices benefit from the battery’s compact size, allowing them to maintain a slim profile. Brands like Texas Instruments frequently use 393 batteries in their calculators.
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Fitness Trackers: Many fitness trackers rely on 393 batteries for functionality. These batteries support the power needs of sensors and display features. For instance, popular models from Fitbit utilize this battery type for extended use.
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Remote Controls: Remote controls often use 393 batteries to facilitate wireless communication with devices. This battery type enables efficient operation in TV remotes and other home electronics. Brands such as Samsung and LG incorporate 393 batteries in many of their remote control products.
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Keyless Entry Systems: Many keyless entry systems for vehicles and homes use a 393 battery. This battery provides the necessary power to enable secure access without traditional keys. Major automotive brands, including Toyota and Ford, often use this battery in their key fobs.
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Hearing Aids: Hearing aids frequently depend on 393 batteries for hearing enhancement. This battery type allows the devices to operate effectively while remaining compact. Companies like Phonak and Oticon design their hearing aids to be powered by 393 batteries.
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Small Electronic Toys: Various small electronic toys require 393 batteries for operation. These toys often feature sound or light effects powered by the battery. Brands like Fisher-Price and LEGO use 393 batteries in some of their toy models.
Understanding the various devices that use a 393 battery aids in recognizing their significance in everyday electronics. This knowledge can guide consumers in battery replacement and device upkeep.
How Should You Dispose of a Used 393 Battery Properly?
To dispose of a used 393 battery properly, you should take it to a designated recycling facility or a battery drop-off location. About 90% of batteries can be recycled, and this helps prevent environmental contamination.
Used 393 batteries are classified as button cell batteries. They contain materials such as mercury, lithium, or cadmium. These materials can be harmful if released into the environment. Therefore, recycling is crucial. Most stores offering battery sales have recycling programs. Check with local waste management services for recycling options.
For example, if you have a used 393 battery, you can visit a local electronics store or a hazardous waste recycling event. Many communities host collection days for hazardous waste, including batteries. These events often collect various types of batteries and ensure safe handling and recycling.
Factors influencing battery disposal include local regulations and environmental policies. Some areas have strict rules about battery disposal, while others may not emphasize recycling. Additionally, the availability of recycling programs may vary by location, affecting how easily residents can recycle their batteries.
In summary, the proper disposal of a used 393 battery involves bringing it to a recycling facility or participating in local recycling programs to prevent environmental harm. Further consideration might include researching specific local laws and recycling practices to ensure responsible disposal.
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