The AG4 battery is equivalent to LR626, SR626SW, and 377. These button cell batteries have dimensions of 6.8 x 2.6 mm and a voltage of 1.5V. They are widely used in watches and other electronics. Always check compatibility before replacing to ensure proper performance.
However, it is essential to consider the chemistry of the battery. Alkaline batteries, such as the AG4, differ from silver oxide batteries, like the SR626SW. These differences can impact performance and longevity in devices.
Choosing the right battery can enhance device functionality and battery life. If you opt for an equivalent battery, confirm its compatibility with your device’s requirements. Investigating further, we can explore alternatives and how to select the best button cell battery for your needs.
In the next section, we will delve deeper into other equivalent sizes. We will examine their specifications and uses. Additionally, we will highlight critical factors when choosing a replacement button cell battery for your devices.
What Is an AG4 Button Cell Battery and Its Common Uses?
An AG4 button cell battery is a small, cylindrical battery commonly used in various portable electronic devices. It has a nominal voltage of 1.5 volts and is composed of alkaline chemistry. The AG4 designation indicates its size and specifications, allowing users to replace it easily in compatible devices.
The definition of the AG4 battery aligns with standards established by the International Electrotechnical Commission (IEC), which categorizes specifications for battery types. According to the Battery University, AG4 batteries are widely recognized in the consumer electronics industry for their reliability.
AG4 button cell batteries are known for their compact size, long shelf life, and ability to power devices that require moderate energy consumption. They are also referred to as LR66 or A76, based on their physical dimensions and chemical composition. This battery type retains performance over long periods, making it suitable for low-drain applications.
The National Renewable Energy Laboratory (NREL) also notes that these batteries find use in watches, calculators, and toys. Their versatility and reliability contribute to their popularity across multiple device categories.
Various factors contribute to the choice of AG4 batteries, including device compatibility, energy requirements, and availability. Users often need replacements for devices that lack rechargeable options.
According to a market analysis, the global battery market is projected to grow at a CAGR of 6.2% from 2023 to 2030. This trend indicates increasing demand for small batteries like AG4 as technology advances.
The widespread use of AG4 batteries raises environmental concerns regarding disposal and recycling. Improper disposal can lead to battery leaks, causing soil and water contamination, which negatively impacts ecosystems.
In terms of health, improper battery disposal can pose risks due to toxic elements like cadmium and lead. Therefore, it’s crucial to educate consumers about proper disposal methods.
Examples of impacts include disposal issues leading to local environmental degradation and contributing to harmful waste accumulation. Each year, millions of these batteries contribute to electronic waste worldwide.
To address these issues, organizations like the Environmental Protection Agency (EPA) advocate for battery recycling programs. Consumers are encouraged to return used batteries to designated recycling centers to minimize environmental impact.
Specific strategies include promoting awareness of recycling options, implementing battery take-back programs, and encouraging manufacturers to design products with end-of-life considerations. Incorporating these practices can contribute to sustainable battery usage and management.
What Other Battery Sizes Are Equivalent to AG4?
The AG4 button cell battery is equivalent to several other battery sizes.
- Equivalent Battery Sizes:
– LR626
– SR626SW
– 377
– 1.5V
– 6.8mm x 2.6mm dimensions
These various battery sizes offer alternatives for devices that require an AG4 battery. Different users may have varied opinions on which replacement is better, depending on their specific applications. Some may prefer the LR626 due to its widespread availability, while others might choose SR626SW for longer life. The importance of matching the specific voltage and physical dimensions cannot be overstated.
- Equivalent Battery Sizes:
The term ‘equivalent battery sizes’ refers to alternative batteries that can replace the AG4 button cell. The LR626 is a commonly recommended equivalent due to its standardization and suitability for devices needing a 1.5V battery. Additionally, the SR626SW is known for having a silver oxide chemistry that offers longer life in certain applications.
The 377 battery also qualifies as an equivalent option but may vary in terms of discharge rate and performance. It is essential for consumers to ensure the voltage matches, as batteries with lower or higher voltage can cause malfunction or damage to electronic devices. Dimensions are crucial, as the AG4 measures 6.8mm in diameter and 2.6mm in height. Choosing an alternative with the same specifications is vital for proper fit and function in devices like watches and small electronics.
Overall, users should consider their specific needs and compatibility when selecting an AG4 alternative to ensure optimal performance.
Which Batteries Can Replace AG4 and What Are Their Specifications?
Several battery types can replace the AG4 battery. These include the LR626, SR626, and 377 batteries.
- LR626
- SR626
- 377
To understand these alternatives better, let’s delve into each type’s specifications and characteristics.
-
LR626:
The LR626 battery is a commonly used alkaline button cell battery. It has a nominal voltage of 1.5 volts and a capacity of approximately 20-30 mAh. This battery is widely applicable in devices like watches, toys, and other small electronics. For instance, the LR626 can typically last about 2-3 years in a watch under normal usage conditions. -
SR626:
The SR626 battery is a silver oxide battery with a higher capacity than the LR626. It has a nominal voltage of 1.55 volts with a capacity ranging between 40-75 mAh. This increased capacity makes the SR626 more suitable for devices that require a steadier voltage and longer lifespan, such as high-end watches and calculators. Due to its chemistry, the SR626 also has a longer shelf life compared to alkaline batteries. -
377:
The 377 battery is also a silver oxide variant similar to the SR626, with a voltage of 1.55 volts and a capacity of around 60 mAh. It is often used in watches, medical devices, and other precision equipment. The 377 battery maintains stable voltage output, making it a reliable choice in critical applications. In key comparisons, users may find that while the LR626 may last shorter, it might be more economically available, whereas the SR626 and 377 typically offer better longevity and performance.
These alternatives provide various options for users depending on the specific power requirements and device compatibility.
How Do AG4 and Its Equivalent Batteries Compare in Terms of Performance?
AG4 button cell batteries typically offer reliable performance comparable to other common batteries like LR66, SR626SW, and 377. Their performance metrics include voltage stability, lifespan, and compatibility with various devices.
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Voltage stability: AG4 batteries maintain a steady output of 1.5 volts. This is standard among equivalent batteries, ensuring consistent energy supply for devices such as watches and calculators (Battery University, 2023).
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Lifespan: AG4 batteries generally last from 3 to 5 years, depending on usage. Higher-quality alternatives, such as SR626SW, may last longer due to their silver oxide chemistry, which provides better performance in high-drain devices (Energizer, 2023).
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Compatibility: AG4 batteries can replace other equivalent batteries like LR66 and 377. This interchangeability allows for broader compatibility across various electronic devices. However, it’s crucial to check device specifications for the best match (Duracell, 2023).
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Temperature range: AG4 batteries operate effectively in temperatures ranging from -20°C to 60°C. Some higher-tier alternatives may offer a wider operational temperature range, enhancing reliability in extreme conditions (Panasonic, 2023).
In summary, while AG4 batteries provide solid performance, equivalent options may offer variations in lifespan, chemistry, and temperature tolerance that could better suit specific device requirements.
What Should You Consider When Choosing an Equivalent Battery to AG4?
When choosing an equivalent battery to AG4, consider factors such as size, voltage, chemistry, and compatibility with your device.
- Size
- Voltage
- Chemistry
- Device Compatibility
The connection between these factors significantly impacts battery performance and functionality.
-
Size:
The size of the battery refers to its physical dimensions. The AG4 battery is a type of button cell battery, specifically measuring 11.6 mm in diameter and 5.4 mm in height. When choosing an equivalent, ensure that the replacement battery fits snugly within the device’s battery compartment. An improper fit could result in poor contact or damage to the device. -
Voltage:
Voltage pertains to the electrical potential provided by the battery. The AG4 battery typically operates at 1.5V. When selecting an equivalent battery, confirm that it maintains the same voltage level. A battery with higher or lower voltage can lead to insufficient power supply or damage to the device. -
Chemistry:
Chemistry refers to the type of materials used in the battery, influencing its performance, shelf life, and environmental impact. Common chemistries for AG4 equivalents include alkaline and silver oxide. Alkaline batteries are often less expensive but may have shorter shelf lives compared to silver oxide batteries, which are known for their stability and longer runtime. -
Device Compatibility:
Device compatibility involves ensuring that the battery replacement can power the specific device effectively. Different devices may require specific types of batteries based on their energy demands. Always refer to the device’s manual or specifications to confirm that the selected battery meets its operational requirements.
In summary, when selecting an equivalent battery for AG4, remember to consider size, voltage, chemistry, and device compatibility to ensure optimal performance.
How Should You Properly Dispose of AG4 Button Cell Batteries?
You should properly dispose of AG4 button cell batteries by placing them in designated recycling bins or taking them to collection points for hazardous waste. Approximately 3 billion batteries are sold annually in the United States. Many of these batteries contain materials that can be harmful to the environment if not disposed of correctly.
AG4 batteries, also known as LR66 or 1.5V batteries, are commonly used in devices like watches, calculators, and electronic toys. Disposal methods vary by location, but many regions have specific guidelines for handling these batteries. In general, recycling facilities can recover valuable metals, like zinc and manganese, while safely managing toxic substances.
For instance, a household may replace several battery-operated devices regularly, leading to the accumulation of multiple AG4 batteries. Without proper disposal, these batteries could leach harmful substances into landfills. Some states mandate battery recycling, which can influence local disposal practices.
External factors that affect disposal options include regulations in individual states or countries. For example, California has strict laws on battery disposal to reduce environmental impact. These laws encourage proper disposal methods, increasing recycling rates. It’s essential to check local regulations and available recycling options.
In summary, AG4 button cell batteries should be recycled through dedicated facilities or collection programs to prevent environmental harm. Adhering to local disposal regulations is vital for responsible battery management. Further exploration can include checking local resources or contacting waste management authorities for specific recycling guidelines in your area.
What Are the Common Misconceptions About AG4 and Its Equivalents?
Common misconceptions about AG4 button cell batteries and their equivalents include misunderstandings about compatibility, usage, and chemical composition.
- AG4 batteries are interchangeable with all other 4-series batteries.
- AG4 batteries have the same voltage as all button cell batteries.
- AG4 batteries can be safely used in devices requiring higher power.
- All AG4 batteries offer the same lifespan and performance.
- The primary chemical composition of AG4 batteries is always the same.
Misconceptions about AG4 batteries and their equivalents can lead to poor device performance and safety hazards. Below are detailed explanations of each misconception.
-
AG4 Batteries Are Interchangeable with All Other 4-Series Batteries:
AG4 batteries are often mistakenly thought to be interchangeable with all other 4-series batteries. However, this is not true. The AG4 is specifically a silver oxide battery, while other types within the 4-series, like LR44, are alkaline and have different performance characteristics. Using the wrong battery type can damage devices or lead to insufficient power delivery. -
AG4 Batteries Have the Same Voltage as All Button Cell Batteries:
The misconception that AG4 batteries have the same voltage as all button cell batteries is incorrect. AG4 batteries typically supply 1.5 volts, similar to alkaline batteries. However, other button cell types, like lithium batteries, may provide different voltages. Using a battery with the wrong voltage can prevent the device from operating properly. -
AG4 Batteries Can Be Safely Used in Devices Requiring Higher Power:
Some individuals believe that AG4 batteries can be used in high-power devices. However, AG4 batteries are designed for low-drain applications, such as watches or calculators. Devices that require higher power may drain AG4 batteries quickly or fail to operate entirely. Using a battery not suited for the device can lead to performance issues. -
All AG4 Batteries Offer the Same Lifespan and Performance:
There is a misconception that all AG4 batteries provide the same lifespan and performance. In reality, the lifespan can vary significantly depending on the manufacturer and the chemical composition. Some AG4 batteries may last longer than others based on brand reputation and manufacturing quality. For example, a trusted brand may produce batteries that last longer under the same usage conditions. -
The Primary Chemical Composition of AG4 Batteries Is Always the Same:
The belief that the chemical composition of AG4 batteries is uniform is misguided. While many AG4 batteries are silver oxide, there are alkaline or lithium versions as well. These different compositions result in variations in battery performance, discharge rates, and usability. Consumers should verify the specific type of AG4 battery they are purchasing to ensure compatibility with their devices.
