675 Watch Battery Size: Specifications, Replacements, and Equivalent Options

The 675 battery is a button cell battery. It measures 11.6 mm in diameter and 5.4 mm in height. This battery is widely used in watches and small electronics, offering reliable energy in a compact design. Its standard size ensures compatibility with many devices.

When seeking replacements, consumers can choose from various brands. Some well-known options include Energizer, Rayovac, and Duracell. Each offers similar specifications, ensuring compatibility with devices designed for the 675 battery size. Additionally, equivalent options such as the PR44 or A675 may also serve as replacements, presenting viable alternatives.

Understanding the specifications of the 675 watch battery size is crucial for consumers. Proper battery size ensures optimal device performance and longevity. Users should always verify compatibility with their specific devices before purchasing replacements.

Next, we will delve into how to properly dispose of 675 batteries, ensuring environmental safety. We’ll also explore how to extend the lifespan of batteries in devices, enhancing usability and efficiency.

What Is a 675 Watch Battery and Its Common Uses?

The 675 watch battery is a small, round battery commonly used in hearing aids and other electronic devices. It is classified as a zinc-air battery, characterized by its size and composition.

The definition of the 675 watch battery is supported by Battery University, which describes it as a battery that measures 11.6 mm in diameter and 5.4 mm in height, providing a voltage of 1.4 volts.

These batteries are essential for devices requiring reliable and long-lasting power. They utilize oxygen from the air to generate energy, leading to a higher capacity compared to traditional batteries.

According to the Energizer company, the 675 battery is also referred to as the PR44, and it continues to gain preference in applications such as hearing aids due to its efficiency and longer lifespan compared to other battery types.

Several factors contribute to the choice of a 675 battery. These include the need for a compact size, lightweight features, and compatibility with various devices.

In 2022, it was reported that nearly 16 million Americans used hearing aids, and the global market for hearing aid batteries, including 675 batteries, is projected to reach $1.9 billion by 2027, according to the Grand View Research report.

The reliance on 675 watch batteries has significant implications for the hearing aid industry, enhancing the quality of life for users while promoting technological advancement.

Their impact extends to the economy, as demand for hearing aids and batteries creates job opportunities in manufacturing and retail sectors.

An example of this impact includes the collaboration between leading hearing aid producers and battery manufacturers to ensure an uninterrupted supply of these crucial batteries.

To address challenges related to battery disposal and sustainability, organizations like the International Battery Association recommend recycling programs for used batteries and a shift towards more environmentally friendly battery technologies.

Strategies to mitigate these issues include encouraging consumers to participate in battery recycling programs and advocating for research into alternative battery chemistries that reduce environmental impact.

What Are the Exact Dimensions and Specifications of a 675 Watch Battery?

The 675 watch battery typically has a diameter of 11.6 mm and a height of 5.4 mm. It is a zinc air battery commonly used in hearing aids and other small electronic devices.

  1. Main specifications of a 675 watch battery:
    – Diameter: 11.6 mm
    – Height: 5.4 mm
    – Voltage: 1.4 volts
    – Chemistry: Zinc-air
    – Applications: Hearing aids, watches, medical devices

These specifications illustrate the typical dimensions and characteristics of the 675 watch battery. However, there may be variations due to different manufacturers or specific product requirements.

  1. Diameter:
    The diameter of the 675 watch battery is 11.6 mm. This dimension is standard across most manufacturers. Variations may occur, but they rarely exceed small tolerances.

  2. Height:
    The height of the 675 battery is 5.4 mm. This height is crucial for device compatibility. Batteries with a differing height may not fit properly.

  3. Voltage:
    The voltage of a 675 battery is 1.4 volts. This voltage level aligns with the energy needs of devices like hearing aids, ensuring optimal performance.

  4. Chemistry:
    The chemistry of the 675 battery is zinc-air. Zinc-air batteries are known for their high energy density. They rely on oxygen from the air to generate power, which makes them suitable for small devices.

  5. Applications:
    The primary applications for a 675 watch battery include hearing aids, watches, and some medical devices. Their compact size and high capacity make them ideal for these uses.

The 675 watch battery’s specifics make it a reliable power source for various devices. Understanding these attributes aids consumers in making informed choices about replacement batteries.

What Voltage Does a 675 Watch Battery Supply?

The 675 watch battery supplies a voltage of 1.4 volts.

Key points related to the 675 watch battery include:
1. Voltage Output
2. Chemical Composition
3. Common Applications
4. Equivalent Battery Types
5. Battery Lifespan

Understanding these points provides further insights into the specifics of the 675 watch battery.

  1. Voltage Output: The 675 watch battery supplies a consistent voltage of 1.4 volts. This voltage is standard for silver oxide batteries, making them suitable for various devices.

  2. Chemical Composition: The 675 battery typically comprises silver oxide, which delivers reliable battery performance and longevity. Competing options like alkaline batteries provide a lower voltage output, which may not power devices that require the 1.4 volts that a 675 battery offers.

  3. Common Applications: The 675 battery is commonly used in small electronic devices. These include hearing aids, wristwatches, and other portable electronics. Its design caters to low-energy devices requiring dependable power over extended periods.

  4. Equivalent Battery Types: Several batteries can serve as equivalents to the 675 watch battery. These include the 301, SR920SW, and other types, depending on the specific requirements of the device. Choosing the correct equivalent ensures compatibility, as not all have identical voltage or dimensions.

  5. Battery Lifespan: The 675 watch battery typically has a lifespan ranging from 1 to 3 years, depending on usage and device demand. Factors such as temperature, storage conditions, and device power requirements can influence battery longevity.

The varied perspectives on the battery’s performance, applications, and lifespan reflect its importance in daily-use devices.

How Can You Identify Replacement Options for a 675 Watch Battery?

You can identify replacement options for a 675 watch battery by checking manufacturer specifications, consulting watch retailers, and exploring online resources for equivalencies.

To find the right replacement for a 675 watch battery, consider the following detailed points:

  1. Manufacturer Specifications: Check the watch’s manual or the manufacturer’s website. Many manufacturers provide a list of compatible battery types. For instance, documents from Citizen or Seiko often indicate the precise model you need.

  2. Cross-Reference with Retailers: Visit local watch retailers or battery replacement services. They often have guides that show equivalent batteries for the 675 size. Retail staff can assist in confirming compatibility. Some brands might have different labeling systems for batteries, which emphasizes the importance of professional assistance.

  3. Online Resources: Utilize online databases or forums dedicated to watch repairs. Websites like BatteryMart and WatchBattery.com have searchable databases for battery types. Sometimes, enthusiasts provide insights or experiences that indicate the best alternatives.

  4. Equivalent Battery Types: The 675 battery is commonly referenced as a synonym for several types, including SR920SW and SR920. These equivalent types can fit into devices originally designed for a 675 battery. Before purchasing, ensure the dimensions and voltage align.

  5. Physical Inspection: If possible, remove the existing battery and check for any identifying numbers. This can help cross-verify with potential replacements. Watch batteries are often small and carry unique identifiers printed on their casing.

  6. Voltage and Chemistry: Ensure that the replacement battery matches the voltage and chemical composition of the original battery. A standard 675 battery usually has a voltage of 1.55V and is often made of silver oxide. Mismatched batteries might not power the watch appropriately.

By using these methods, you can effectively identify accurate replacement options for your 675 watch battery.

What Are the Equivalent Batteries for a 675 Watch Battery?

The equivalent batteries for a 675 watch battery include several types that fit the same specifications.

  1. Equivalent batteries for a 675 watch battery:
    – SR675
    – LR754
    – AG12
    – 162
    – 357

The discussion around equivalent batteries is essential for those who need to replace their 675 watch battery. Each type has subtle differences that may affect performance.

  1. SR675:
    The SR675 battery is a silver oxide battery that provides a stable voltage and long shelf life. It typically has a nominal voltage of 1.55 volts, which makes it suitable for high-drain devices. The silver oxide composition allows for better performance and longevity compared to alkaline batteries. Studies indicate that silver oxide batteries can last up to three years in wristwatches.

  2. LR754:
    The LR754 battery is an alkaline battery with a nominal voltage of 1.5 volts. While it is less expensive than its silver oxide counterparts, it has a shorter lifespan and may not provide the same consistent voltage. Users should consider using LR754 in devices that do not require high performance. Research from the Battery University shows that alkaline batteries like LR754 typically last between six months and a year in watches.

  3. AG12:
    The AG12 battery is another designation for an alkaline battery similar to the LR754. It shares the same dimensions and voltage specifications. However, some users prefer AG12 for its reliability in low-drain electronic devices. Its common use in various watches makes it a widely available replacement option.

  4. 162:
    The 162 battery is often used interchangeably with the 675 watch battery. This size refers to a certain specification and can either be a silver oxide or lithium battery. Users should verify compatibility based on their specific device requirements, as performance can vary across battery types.

  5. 357:
    The 357 battery is another equivalent option, typically classified as a silver oxide battery. It shares similar performance characteristics with the SR675 but may be marketed under different brands. Users favor it for its reliability and extended life in high-drain devices.

Understanding the differences between these batteries can help consumers make informed choices for their watch replacements.

How Do You Properly Replace a 675 Watch Battery?

To properly replace a 675 watch battery, follow these key steps: gather the necessary tools, carefully open the watch case, remove the old battery, install the new battery, and securely close the watch case.

  • Gather necessary tools: You will need a small screwdriver, a pair of tweezers, and a plastic opening tool. These tools help prevent damage to the watch during the replacement process. For example, the plastic tool is less likely to scratch the watch case than a metal tool.

  • Carefully open the watch case: Depending on the watch design, this may involve prying off a snap-on back or removing screws. If the watch has a screw-down back, use the small screwdriver to unscrew it. For snap-on backs, gently insert the plastic tool into the seam and lift. Always work in a clean, well-lit area to avoid losing small parts.

  • Remove the old battery: Once the case is opened, identify the battery location. Use tweezers to remove the old 675 battery carefully. Note which direction the battery is positioned, as this will be important when inserting the new one.

  • Install the new battery: Take the new 675 battery and insert it in the same orientation as the old battery. Ensure it sits securely in its holder. The ‘+’ side of the battery should face up on most designs, ensuring proper electrical connection.

  • Securely close the watch case: After replacing the battery, replace the case back by snapping it into place or re-screwing it. Make sure the seal is intact to maintain water resistance if applicable.

Following these steps can help ensure a successful battery replacement without causing damage to the watch. Regular maintenance will extend the watch’s lifespan and keep it functioning optimally.

What is the Lifespan of a 675 Watch Battery, and How Can You Extend It?

The lifespan of a 675 watch battery typically ranges from 1.5 to 3 years. This variation depends on usage and the device’s energy demands.

The American National Standards Institute (ANSI) provides specific guidelines on the expected lifespan of different watch batteries, including the 675 size. ANSI emphasizes the importance of usage and environmental factors affecting battery performance.

Factors influencing a 675 watch battery’s lifespan include battery chemistry, device power consumption, and environmental conditions such as temperature and humidity. Additionally, frequent usage of watch features, such as alarms or backlighting, can reduce battery life.

The International Electrotechnical Commission (IEC) categorizes batteries based on their chemical composition. The IEC notes that zinc-air batteries, like the 675, have a limited shelf life even when not in use, as they rely on oxygen from the air, impacting their storage longevity.

Common causes for reduced battery life include high energy demand from the watch and extreme temperatures, which can accelerate chemical reactions in the battery.

According to research from Energizer, wearers can significantly extend battery life by avoiding prolonged exposure to extreme temperatures and minimizing the use of power-hungry functions.

A reduced lifespan of watch batteries affects consumer convenience, leading to more frequent replacements and increased electronic waste.

On broader terms, the environmental impact includes waste management challenges, where improper disposal of batteries can lead to toxic materials in landfills.

For example, mercury and cadmium from batteries can contaminate soil and water sources, affecting ecosystems and human health.

To mitigate this issue, experts recommend using energy-efficient watches and properly recycling batteries through designated programs, such as those provided by the Call2Recycle initiative.

Specific strategies include choosing watches with low-power features and regularly monitoring battery health to ensure replacement before total failure.

Are There Any Special Considerations When Choosing a 675 Watch Battery?

Yes, there are special considerations when choosing a 675 watch battery. Selecting the right battery is crucial for the watch’s performance and longevity. A 675 battery must meet the watch’s specific requirements to ensure proper functioning.

The 675 watch battery, also known as PR44 or SR4416, is commonly used in various watch models. It is important to note that while all 675 batteries are similar in size and voltage, they may have different chemistries. For instance, alkaline batteries generally have a lower energy density compared to silver oxide batteries. Silver oxide batteries provide a more stable voltage output, often resulting in longer-lasting performance. Therefore, it is essential to check the watch’s specifications to determine which type of 675 battery will work best.

One of the positive aspects of using the correct 675 battery is the extended lifespan of the watch. For example, silver oxide batteries typically last between 1.5 to 3 years, whereas alkaline alternatives may only last 1 to 2 years. Choosing the right chemistry ensures reliable performance and reduces the need for frequent replacements, saving time and money.

On the downside, there may be some drawbacks. While silver oxide batteries are widely regarded for their performance, they often come at a higher price compared to alkaline batteries. According to the Battery University website, a silver oxide battery can cost almost three times more than an alkaline battery. This can be a consideration for budget-conscious consumers who prefer more affordable options, even if they may sacrifice some longevity.

When choosing a 675 watch battery, consider factors such as your watch type, usage frequency, and budget. If your watch requires high accuracy and frequent use, opt for a silver oxide battery. For casual wear or budget restrictions, an alkaline battery might suffice. Always check the manufacturer’s recommendations and choose reputable brands for quality assurance.

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