The 397 watch battery, also called SR726SW, can be replaced by several equivalent button cell batteries. These include SR59, SR726, SB-AL, 280-28, N, V397, D397, 607, S726E, GP397, and AG2. These alternatives work well in devices that use the 397 battery.
The SR726SW measures 7.6 mm in diameter and 2.6 mm in height, matching the 397’s size. The SR726 also offers a comparable voltage and chemistry, ensuring efficiency in your devices. Furthermore, the 397A battery is designed for similar applications and can function effectively as a substitute. When replacing your battery, check device specifications to confirm compatibility with these options.
Understanding interchangeable battery models can extend the lifespan of your watch or electronic device. After you identify the suitable alternatives, ensure that you handle each battery correctly. This preparation helps to maintain optimal performance and longevity in your devices. In the next section, we will discuss how to properly install these batteries and maintain your devices for prolonged use.
What is a 397 Battery and What Are Its Specifications?
A 397 battery is a small, cylindrical button cell battery commonly used in watches, calculators, and other small electronic devices. It typically has a diameter of 3.6 mm and a height of 1.65 mm, delivering a nominal voltage of 1.55 volts.
According to the Battery University, the 397 battery is part of the silver oxide battery family. Silver oxide batteries are known for their stability and long shelf life, making them ideal for applications requiring consistent performance.
The 397 battery provides reliable power in various devices. Its main features include a high energy density and a low self-discharge rate. Silver oxide batteries generally perform better than alkaline batteries in terms of longevity and voltage stability.
The International Electrotechnical Commission (IEC) describes the 397 battery as classified under the code SR726SW. Other equivalent batteries include the SR726 and SR726W, ensuring compatibility across different devices.
Common factors affecting battery performance include temperature, discharge rate, and storage conditions. High temperatures can lead to premature failure, while low temperatures may impact voltage output.
It is estimated that millions of these batteries are produced annually. Demand for small batteries remains steady due to the proliferation of portable electronics, according to market research from Grand View Research.
The widespread use of 397 batteries contributes to electronic waste as devices are often discarded rather than repaired. This impacts the environment through increased landfill waste.
In response to these issues, organizations like the Environmental Protection Agency emphasize the importance of recycling batteries properly. Additionally, educating consumers on correct disposal methods is crucial.
To mitigate electronic waste, manufacturers are encouraged to design devices that are easier to repair and recycle. Utilizing renewable energy sources for production can also help lessen environmental impacts.
What Batteries Can Replace a 397 Battery?
The 397 battery can be replaced with several equivalent batteries, including the 392, 393, and SR726SW batteries.
- 392 Battery
- 393 Battery
- SR726SW Battery
Understanding these alternatives can help you choose the right replacement battery for your needs.
1. 392 Battery:
The 392 battery serves as a direct replacement for the 397 battery. It shares similar dimensions and voltage specifications, ensuring compatibility with devices that originally require a 397 battery. The 392 battery typically has a nominal voltage of 1.55 volts and is a silver oxide type. This means it is known for stability and longevity. Many users find the 392 battery convenient for watches, calculators, and other small electronics.
2. 393 Battery:
The 393 battery is also an excellent alternative to the 397 battery. Like the 392, it measures approximately 7.9 mm in diameter and 2.6 mm in height. It is a silver oxide battery, providing the same voltage of 1.55 volts. This battery is often used in small electronic devices, including watches and hearing aids. Users report that the 393 battery offers reliable performance and a good lifespan, making it a popular choice in the same applications as the 397.
3. SR726SW Battery:
The SR726SW battery is another viable replacement for the 397 battery. This battery is also categorized under silver oxide batteries, delivering a voltage of 1.55 volts. It is important to note that the dimensions may differ slightly from the 397 battery; however, it is still commonly used in watches and similar devices. Some users appreciate the SR726SW for its robust performance in high drain applications, which may not be as effective with alkaline alternatives.
When choosing a replacement battery, consider the device specifications and ensure compatibility for optimal performance.
Which Brands Manufacture Batteries Equivalent to 397?
Several brands manufacture batteries equivalent to the 397 model.
- Energizer
- Duracell
- Maxell
- Varta
- Panasonic
The brands above offer a selection of equivalent batteries for various applications. Each brand has its advantages in terms of performance and longevity. Next, let us explore each of these brands and their offerings in detail.
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Energizer: Energizer provides high-quality batteries that match the specifications of the 397 model. Their batteries are known for long-lasting performance. Energizer’s batteries have a shelf life of up to 10 years, ensuring reliability for devices requiring less frequent use. This brand is often recommended for its durability in critical applications.
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Duracell: Duracell is another leading brand that manufactures batteries equivalent to the 397 type. They are recognized for their Duralock technology, which helps preserve battery life when not in use. Duracell’s batteries are often found in various retail locations, making them easily accessible. Customers value Duracell for dependable power and performance in everyday gadgets.
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Maxell: Maxell produces batteries that conform to the 397 specifications. They focus on providing a balance between cost and performance. Maxell batteries are typically used in electronic devices like calculators and remote controls. Users appreciate their affordability and reliability, especially in low-drain applications.
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Varta: Varta is a respected name in battery manufacturing, offering 397 equivalent batteries that are suitable for various electronic devices. Their products are often praised for their energy efficiency and longevity. Varta emphasizes environmental sustainability in their manufacturing processes, appealing to eco-conscious consumers.
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Panasonic: Panasonic also manufactures batteries equivalent to the 397. Their products are known for stability and a long usage period. Panasonic batteries often include innovative features that enhance performance. Many users prefer Panasonic for high-performance applications, showcasing their versatility across multiple devices.
In summary, five notable brands manufacture batteries equivalent to the 397 model: Energizer, Duracell, Maxell, Varta, and Panasonic. Each brand has unique characteristics that cater to various user needs.
What Common Applications Use a 397 Battery Replacement?
The 397 battery replacement is commonly used in various small electronic devices, particularly watches.
- Applications for 397 Battery Replacement:
– Wristwatches
– Keyless entry remotes
– Hearing aids
– Calculators
– Musical greeting cards
The uses of the 397 battery replacement span across multiple devices, reflecting its versatility in daily technology.
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Wristwatches:
Wristwatches commonly utilize the 397 battery due to its compact size and reliable power delivery. Many analog and digital watches depend on this battery for consistent timekeeping. The battery’s longevity allows users to replace it infrequently, ensuring that their watches remain functional for extended periods. -
Keyless Entry Remotes:
Keyless entry remotes for vehicles frequently use the 397 battery. This battery type provides a stable power source for electronic locking mechanisms. Convenience is a primary reason for its use, allowing car owners to unlock their vehicles with a button press. -
Hearing Aids:
Hearing aids often rely on the 397 battery for power. This battery type is small enough to fit into hearing aid designs while providing sufficient energy for sound amplification. For many users, the accessibility of these batteries plays a crucial role in maintaining their hearing aids. -
Calculators:
Basic calculators sometimes utilize the 397 battery. The requirement for low power consumption in calculators makes the 397 a suitable choice. Users benefit from the battery’s reliability, allowing them to perform calculations without interruption. -
Musical Greeting Cards:
Musical greeting cards often incorporate the 397 battery for sound activation. The battery enables the playback of melodies when the card is opened. This unique use highlights the versatility of the 397 battery beyond traditional applications.
Overall, the 397 battery replacement serves numerous applications, emphasizing its significance in everyday technology.
How Can You Identify the Right Replacement for a 397 Battery?
You can identify the right replacement for a 397 battery by considering its specifications, checking compatibility with the device, and exploring equivalent battery types.
To determine the correct replacement, follow these detailed steps:
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Check battery specifications: The 397 battery has specific dimensions and voltage requirements. It typically measures 11.6mm in diameter and 2.6mm in height. It provides a voltage of 1.55V. Ensuring the replacement matches these specifications is crucial for optimal performance.
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Identify compatible devices: Review the device that requires the 397 battery. Common devices include watches, calculators, and small electronic gadgets. The device’s manual may indicate compatible battery types, simplifying the selection process.
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Explore equivalent battery types: Several batteries can serve as replacements for the 397 battery. These equivalents may include types like:
– SR926SW
– 392
– 394 -
Verify chemical composition: The 397 battery is typically a silver oxide battery, known for its stability and reliability in low-drain devices. Identify if the replacement battery has a similar chemistry. For instance, using a lithium battery may not provide the same performance in certain applications.
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Consult manufacturer specifications: Always refer to the device manufacturer’s specification for any guidance on replacement battery options. This information ensures compatibility and may recommend specific brands or models for the best performance.
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Purchase from reputable sources: When selecting a replacement, buy from trusted retailers or manufacturers. Quality control varies, and purchasing from reputable sources can help avoid counterfeit or substandard products that may not perform reliably.
By following these steps, you can confidently select the right replacement for a 397 battery, ensuring your device operates effectively.
What Are the Considerations When Choosing an Equivalent Battery for 397?
The considerations when choosing an equivalent battery for a 397 battery include matching size, voltage, chemistry, capacity, and shelf life.
- Size
- Voltage
- Chemistry
- Capacity
- Shelf Life
When selecting an equivalent battery, it is essential to understand each of these factors to ensure compatibility and performance.
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Size:
Size refers to the physical dimensions of the battery. The 397 battery typically has a standardized size, and alternate batteries must fit the same compartment. Incompatible sizes can lead to poor connections or damage. It is vital to check specifications before replacement. -
Voltage:
Voltage is the electrical potential difference provided by the battery. The 397 battery usually delivers 1.55 volts. Choosing a battery with the same voltage ensures proper operation of the device. A higher voltage can damage electronic components, while a lower voltage may result in insufficient power and performance. -
Chemistry:
Chemistry refers to the materials used in the battery, which determines its properties. Common chemistries for watch batteries include silver oxide and alkaline. Silver oxide batteries often deliver better performance and longer life than alkaline equivalents. Understanding the device’s requirements can guide the choice of the most suitable chemistry. -
Capacity:
Capacity measures the battery’s ability to hold and deliver charge over time, usually expressed in milliampere-hours (mAh). The 397 battery commonly has a capacity of about 30 mAh. An equivalent battery should have a similar capacity to ensure adequate runtime. Insufficient capacity can lead to more frequent replacements. -
Shelf Life:
Shelf life indicates how long a battery can be stored without significant power loss. Generally, 397 batteries have a shelf life of 3 to 5 years. Selecting a replacement battery with a longer shelf life can provide convenience for future use, particularly for devices that are not used often.
In summary, when replacing a 397 battery, pay close attention to size, voltage, chemistry, capacity, and shelf life to select an appropriate equivalent. These considerations help ensure reliability and performance in the device being powered.
What Are the Pros and Cons of Using Equivalent Batteries for a 397?
Using equivalent batteries for a 397 can offer both advantages and disadvantages.
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Advantages:
– Cost-effectiveness
– Accessibility
– Compatibility
– Environmental benefits -
Disadvantages:
– Performance differences
– Warranty concerns
– Potential for damage
– Reliability issues
Considering these points, it is essential to explore the implications of using equivalent batteries for a 397.
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Advantages of Using Equivalent Batteries:
The advantage of using equivalent batteries includes cost-effectiveness, as these batteries are often cheaper than branded options. Consumers can save money while still powering their devices. Accessibility is another advantage; equivalent batteries may be available in more locations than specific brand batteries, making replacements easier to obtain. Compatibility plays a crucial role, as many equivalent batteries meet or exceed the specifications required for the 397, ensuring they function adequately in the watch. Finally, there are environmental benefits; using equivalent batteries can reduce electronic waste and follow sustainable practices by utilizing generic options instead of branded ones. -
Disadvantages of Using Equivalent Batteries:
The disadvantage of using equivalent batteries lies in performance differences; they may not provide the same longevity or reliability as branded batteries. This can lead to a higher frequency of replacements and potential inconvenience for users. Warranty concerns arise because manufacturers may not honor warranties on devices if non-branded components are used. Moreover, there is a risk of potential damage; inferior quality batteries might leak or overheat, which can harm the device. Lastly, reliability issues can occur with equivalent batteries, as they may not maintain consistent output, impacting the overall performance of the watch.
What Tips Can Help You Maintain the Life of Your 397 Battery Replacement?
To maintain the life of your 397 battery replacement, consider the following tips:
- Store in a cool, dry place
- Avoid extreme temperatures
- Use devices regularly
- Remove from devices when not in use
- Check for expiration dates
- Maintain proper contact
- Clean battery terminals
These tips are helpful but various factors can influence battery life. For instance, different devices affect power consumption and lifespan. This brings us to a deeper understanding of each tip and how they contribute to a battery’s longevity.
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Store in a Cool, Dry Place:
Storing your 397 battery in a cool and dry location helps to prevent degradation. High humidity can cause corrosion while extreme heat can lead the battery to discharge quicker. According to the National Renewable Energy Laboratory, batteries perform best at temperatures between 20°C and 25°C. -
Avoid Extreme Temperatures:
Extreme temperatures, whether hot or cold, can adversely affect battery performance. Cold temperatures can slow down the chemical reactions inside the battery, reducing its effectiveness. Conversely, hot temperatures can increase discharge rates and may cause leaks. The Battery University recommends keeping batteries away from direct sunlight and heat sources. -
Use Devices Regularly:
Using devices that require the 397 battery regularly allows for proper cycling of the battery. This promotes a more stable discharge pattern and can lead to a longer lifespan. Studies have shown that batteries in constant use maintain higher voltage levels than those that sit idle for long periods. -
Remove from Devices When Not in Use:
When a 397 battery is not in use, removing it from the device helps avoid unintentional discharge. Some devices might draw small amounts of current even when turned off. Battery University notes that this ‘quiescent current’ can eventually deplete the battery if left unattended. -
Check for Expiration Dates:
Batteries have a shelf life. Regularly check the expiration date on the battery packaging. Using batteries past their expiration date can result in suboptimal performance or leaking. The Consumer Product Safety Commission highlights the importance of discarding expired batteries promptly. -
Maintain Proper Contact:
Ensuring that the battery contacts are clean and free of corrosion can help with efficient power transfer. Dirty or corroded terminals increase resistance, which can result in diminished battery performance. A simple wipe with a clean cloth or a cotton swab can help maintain good contact. -
Clean Battery Terminals:
Cleaning the battery terminals ensures that the battery connects properly with the device. Use a solution of baking soda and water to neutralize any corrosion found on terminals. According to a study by the Journal of Power Sources, consistent cleaning of terminals can lead to improved conductivity and battery life.
By following these tips, you can effectively enhance the lifespan of your 397 battery replacement and ensure reliable performance across your devices.
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