The AG4 battery, also called LR626 or SR626, measures 6.8 x 2.6 mm. It has a voltage of 1.5 volts. AG4 batteries are widely used in small electronics, watches, and calculators. They belong to the button cell family, which includes AG2, AG3, and AG5 batteries.
The AG4 specifications include a capacity ranging from 50 to 100 mAh, depending on the brand and specific chemistry used. Battery chemistry can vary, with alkaline and silver oxide being the most common types. Alkaline AG4 batteries are generally more affordable, while silver oxide offers better performance and longevity.
Equivalent options to the AG4 battery include the SR626SW, LR626, and RM626, which can often serve as suitable replacements. Users should check compatibility before substituting these batteries in their devices.
Understanding the specifications and alternatives is crucial for ensuring the optimal performance of your device. In the following section, we will explore how to choose the best AG4 battery for your needs and highlight important factors to consider when making your selection.
What Is an AG4 Battery and What Are Its Primary Uses?
AG4 Battery is a small, cylindrical battery known for its alkaline chemistry. It is most commonly used in various electronic devices. The AG4 battery is also referred to as a AG4 or 189 battery and is often designated with equivalent names such as LR626 and SR626.
According to the International Electrotechnical Commission (IEC), the AG4 battery falls under the categorization of button cell batteries, which are compact power sources used primarily in watches, calculators, and small electronic devices. These definitions can be found in the IEC database and related technical manuals.
The AG4 battery features a diameter of 6 mm and a height of 2.6 mm, making it suitable for compact applications. It delivers a nominal voltage of 1.5 volts and has a capacity that varies typically between 25 to 40 mAh, depending on the manufacturer. These batteries can be found in both alkaline and silver oxide chemistries, leading to differences in performance characteristics.
Other reputable sources like Energizer and Duracell define button cell batteries as small, round batteries that power devices where space is limited. Their usage extends from everyday electronics to specialized medical devices and toys.
The demand for AG4 batteries is driven by the increasing use of portable electronics and the growing shift toward battery-operated devices. This trend may also correlate with advancements in technology and design, which favor compact solutions.
In a 2022 report by Research and Markets, the global button cell battery market is projected to grow at a CAGR of 5% from 2021 to 2026, indicating strong future demand for batteries like the AG4.
The implications of AG4 battery usage include the need for sustainable disposal methods. Improper disposal can lead to environmental contamination due to hazardous materials found in batteries.
From an environmental standpoint, the production and disposal of AG4 batteries can contribute to pollution and resource depletion. It raises concerns related to both health and ecological consequences.
For example, lead and cadmium used in some battery types can leach into soil and water, affecting wildlife and human health. This effect highlights the importance of proper recycling and disposal methods.
Experts recommend that manufacturers and consumers engage in recycling programs to mitigate the environmental impact. Sustainable production practices should be adopted to lessen the carbon footprint of battery production.
Employing rechargeable battery alternatives, such as lithium-ion cells, can also help reduce reliance on single-use AG4 batteries. Additionally, encouraging education about battery recycling can further decrease environmental impacts.
What Are the Key Specifications and Dimensions of the AG4 Battery?
The AG4 battery, also known as the LR626 or 177 battery, has specific dimensions and specifications. It is a small, button cell battery commonly used in watches, calculators, and electronic devices.
- Battery Type: Alkaline
- Voltage: 1.5 volts
- Diameter: 6.8 mm
- Height: 2.6 mm
- Equivalent Batteries: LR626, SR626, AG626, 177, and V377
- Application Areas: Watches, calculators, toys, and small electronic devices
The different perspectives on the AG4 battery’s equivalence and application highlight its versatility and importance in various devices. Understanding these characteristics helps users make informed decisions when purchasing batteries.
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Battery Type:
The AG4 battery type is alkaline. Alkaline batteries are known for their long shelf life and stable voltage. They are widely used in everyday devices. -
Voltage:
The AG4 battery produces a nominal voltage of 1.5 volts. This voltage makes it suitable for low-drain devices. Many electronic components require this voltage for proper operation. -
Diameter:
The AG4 battery has a diameter of 6.8 mm. This compact size allows it to fit in small compartments of devices like watches and calculators. Many other batteries in this category share similar dimensions. -
Height:
The height of the AG4 battery is 2.6 mm. Its slim profile is ideal for compact handheld devices. The size contributes to making electronic devices thinner and more portable. -
Equivalent Batteries:
The AG4 has several equivalent batteries, including LR626, SR626, AG626, 177, and V377. These batteries share similar dimensions and voltages, making them interchangeable in most applications. Users can choose based on brand preferences or availability. -
Application Areas:
The AG4 battery is commonly used in watches, calculators, toys, and other small electronic devices. Its reliable power source supports a range of applications. This versatility makes it a preferred choice for various manufacturers.
What Voltage Does an AG4 Battery Provide?
AG4 batteries provide a voltage of 1.5 volts.
Key points related to AG4 batteries include:
1. Composition.
2. Size specifications.
3. Common applications.
4. Equivalent battery types.
5. User preferences.
Understanding these points provides insight into the AG4 battery’s role and usability in various devices.
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Composition:
AG4 batteries consist of alkaline chemistry, which enables them to deliver a stable voltage. Alkaline batteries are widely used because of their cost-effectiveness and relatively long lifespan. This chemistry makes AG4 batteries suitable for low-drain devices. -
Size Specifications:
AG4 batteries are small, button-shaped batteries often referred to as “silver oxide batteries.” Their dimensions typically measure around 11.6mm in diameter and 5.4mm in height. This compact size allows them to fit into various devices, especially those requiring limited space. -
Common Applications:
AG4 batteries are commonly used in watches, calculators, hearing aids, and small electronic devices. Their ability to maintain voltage over an extended period makes them ideal for these applications. In a study by the Battery Association, about 60% of AG4 batteries are used in wristwatches. -
Equivalent Battery Types:
AG4 batteries may be equivalent to several other types, including LR66, SR66, or A76 batteries. These equivalent types vary in chemistry and performance but can often be used interchangeably in specific devices. Users should verify compatibility to ensure optimal performance. -
User Preferences:
User preferences for AG4 batteries often revolve around longevity and brand reliability. Many consumers prefer well-known brands for their performance guarantees. However, some users may opt for generic or cheaper alternatives, leading to a debate about whether brand-name batteries truly outperform generics in longevity and reliability.
In summary, the AG4 battery delivers a consistent voltage of 1.5 volts and is prominently featured in various small electronic devices.
How Does the Size of the AG4 Battery Compare to Other Batteries?
The AG4 battery, also known as LR626 or 177 battery, has specific dimensions that can be compared with other common battery types. Below is a comparison of the AG4 battery size with a few other standard batteries:
| Battery Type | Diameter (mm) | Height (mm) | Voltage (V) |
|---|---|---|---|
| AG4 (LR626) | 6.8 | 2.6 | 1.5 |
| AG3 (LR41) | 7.9 | 3.6 | 1.5 |
| AG5 (LR754) | 8.0 | 2.6 | 1.5 |
| AG10 (LR1130) | 11.6 | 3.1 | 1.5 |
This table provides a clear comparison of the AG4 battery’s size relative to other common batteries, highlighting its smaller dimensions.
What Are the Equivalent Battery Types for an AG4 Battery?
The equivalent battery types for an AG4 battery include several common alternatives.
- LR626
- SR626
- 377
- 1.5V button cells
- 1.55V silver oxide batteries
These alternatives provide options for various applications depending on the required specifications. Understanding the differences among them can be crucial for appropriate usage.
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LR626: The LR626 is an alkaline battery type equivalent to the AG4. It typically has a voltage of 1.5 volts. This battery is widely used in watches, calculators, and small electronic devices. Due to its availability and low cost, it is a popular choice for everyday applications.
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SR626: The SR626 is a silver oxide battery that also matches the AG4 specifications. It has a nominal voltage of 1.55 volts, providing a slight edge in performance over alkaline batteries. Silver oxide batteries are known for their stable discharge rate, making them ideal for precision devices like watches and medical instruments.
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377: The 377 battery type is another equivalent option for AG4. It typically has silver oxide chemistry and provides about 1.55 volts. The 377 batteries are often used in watches, calculators, and other small devices, similar to SR626 and LR626.
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1.5V button cells: Various other 1.5V button cell batteries can serve as alternatives. These include types like AG4 but may vary in chemistry, such as alkaline or lithium. The choice among them depends on the specific device’s power requirements and usage.
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1.55V silver oxide batteries: Similar to SR626 and 377, other 1.55V silver oxide batteries can replace the AG4. These batteries often exhibit better performance in terms of longevity and reliability, especially in high-drain situations.
In conclusion, when selecting a replacement for the AG4 battery, users should consider the application, voltage requirements, and specific characteristics of each type. This leads to optimal performance and satisfaction with the battery’s use in devices.
Can Other Batteries Like LR626 or SR626 Replace an AG4 Battery?
No, LR626 and SR626 batteries cannot directly replace an AG4 battery.
However, the compatibility among these battery types depends on their specifications. The AG4 battery, also known as 1.5V alkaline, typically has a different chemical composition than LR626 and SR626 batteries. The LR626 is a 1.5V alkaline battery, while the SR626 is a 1.55V silver oxide battery. Although they may fit physically, using them interchangeably can impact device performance. Devices designed for AG4 batteries may expect the specific voltage and chemistry of alkaline batteries, which can lead to incorrect functionality or reduced battery life if mismatched.
What Devices Commonly Utilize an AG4 Battery?
Devices that commonly utilize an AG4 battery include small electronic devices, particularly those requiring compact power sources.
- Hearing aids
- Remote controls
- Watches
- Calculators
- Medical devices (e.g., glucose meters)
- Keyless entry systems
- Small toys and gadgets
The AG4 battery is versatile and found in many various devices, underscoring its importance in everyday life.
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Hearing Aids:
Hearing aids utilize AG4 batteries for their compact size and reliable performance. These batteries provide the necessary power for the amplification of sound, which helps individuals with hearing impairment. With the increasing prevalence of hearing loss globally, the demand for AG4 batteries in hearing aids has grown significantly. According to the World Health Organization (2021), approximately 430 million people worldwide require hearing rehabilitation. -
Remote Controls:
Remote controls for televisions and other electronic devices often use AG4 batteries. The compact design of AG4 batteries allows them to fit snugly within remote control units, ensuring sufficient power for operational effectiveness. Devices like TV remotes usually require reliable but low power, making AG4 batteries a suitable choice. -
Watches:
Many types of watches, especially quartz models, commonly rely on AG4 batteries. These watches require a steady power source for accurate timekeeping. The small size of the AG4 battery fits well in slim watch designs, contributing to both functionality and aesthetics. In 2020, approximately 1.2 billion watches were sold globally, many of which utilized this battery type. -
Calculators:
Calculators frequently employ AG4 batteries due to their small size and efficiency. They provide a reliable power source for portable devices used in educational, professional, and personal settings. The use of AG4 batteries allows calculators to maintain long-lasting functionality without being bulky. -
Medical Devices (e.g., Glucose Meters):
Medical devices, such as glucose meters, often depend on AG4 batteries for their compact size. Patients rely on these devices for blood sugar monitoring, making battery reliability crucial. As diabetes rates increase, the demand for such devices—and consequently AG4 batteries—continues to rise. -
Keyless Entry Systems:
Keyless entry systems in vehicles and buildings often utilize AG4 batteries. These batteries provide the necessary energy to operate electronic locking mechanisms. The increasing trend toward electronic keyless technology has amplified the use of AG4 batteries in security applications. -
Small Toys and Gadgets:
AG4 batteries are commonly found in small toys and gadgets, particularly those that produce sound or require simple electric functions. The compact size allows for easy integration into various toy designs, catering to the needs of children and their play experiences.
In conclusion, AG4 batteries are versatile power sources found across multiple device categories, highlighting their importance in modern technology.
What Are the Benefits and Drawbacks of Using an AG4 Battery?
The AG4 battery offers distinct benefits and drawbacks, impacting its suitability for various applications.
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Benefits of AG4 Battery:
– Compact size
– Lightweight design
– Wide availability
– Cost-effective
– High energy density -
Drawbacks of AG4 Battery:
– Limited energy capacity
– Short lifespan
– Vulnerability to temperature changes
– Lower performance in high-drain devices
While the AG4 battery provides valuable advantages, it also presents limitations that must be considered in practical use cases.
- Benefits of AG4 Battery:
Compact Size: The AG4 battery is small and easy to fit into tight spaces. This makes it ideal for devices like calculators and watches, which require minimal bulk.
Lightweight Design: The lightweight nature of the AG4 battery makes it convenient for portable gadgets. Users often prefer lighter devices for ease of transport.
Wide Availability: AG4 batteries are commonly found in stores, making them easily accessible for consumers. This ease of access supports rapid replacements and user satisfaction.
Cost-effective: The AG4 battery is typically inexpensive compared to other batteries. It provides a budget-friendly option for low-power devices that require frequent battery changes.
High Energy Density: AG4 batteries have a relatively high energy density. This characteristic allows them to deliver adequate power for the devices they are designed for without taking up too much space.
- Drawbacks of AG4 Battery:
Limited Energy Capacity: The AG4 battery has less energy than larger batteries. This limitation makes it unsuitable for high-drain applications like digital cameras or high-performance electronics.
Short Lifespan: AG4 batteries may not last long, particularly in devices that demand continuous power. Users often find themselves replacing them more frequently than other battery types.
Vulnerability to Temperature Changes: These batteries may perform poorly under extreme temperatures. This sensitivity can lead to reduced functionality in hot or cold environments.
Lower Performance in High-drain Devices: The AG4 battery struggles to maintain efficient power delivery in devices that require substantial energy. This performance issue can result in devices shutting down or malfunctioning unexpectedly.
How Long Does an AG4 Battery Typically Last?
An AG4 battery typically lasts between 2 to 5 hours of continuous use, depending on the device. The durability varies primarily based on the energy consumption of the device it powers. For devices that require high energy, such as cameras or certain toys, the battery may last closer to 2 hours. In contrast, low-drain devices like remotes or clocks may extend battery life to approximately 5 hours or more.
For example, a small remote control might use an AG4 battery for about 4 to 5 hours, while a digital camera might drain it within 2 hours during video recording. Other devices such as hearing aids or laser pointers might produce varying results, often averaging around 3 to 4 hours of use.
Several factors can influence battery life. Temperature affects performance; extreme heat or cold can reduce efficiency. Similarly, how frequently the device is used impacts the overall lifespan of the battery. Continuous usage will deplete energy more quickly than intermittent use. Additionally, the manufacturer and specific battery brand can also lead to variations in longevity.
In summary, AG4 battery life ranges from 2 to 5 hours, influenced by device type, usage patterns, and environmental conditions. For a deeper understanding, one may explore factors like battery chemistry or consider alternative battery sizes for different devices.
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