Understanding the AG4 Battery and Its Equivalent

When it comes to powering small electronic devices like watches, calculators, and toys, the AG4 battery is a popular choice. However, you may encounter various labels for this battery type, leading to confusion about the appropriate replacement. In this comprehensive guide, we delve into the details of the AG4 battery, its equivalent, and how to ensure you select the correct battery for your device.

What is an AG4 Battery?

The AG4 battery is a type of button cell battery known for its small size and reliable performance in low-drain devices. Button cell batteries are compact, round batteries commonly used in portable electronics due to their lightweight and long-lasting power. The AG4 battery, specifically, is widely utilized in devices where space is at a premium.

Technical Specifications of AG4 Battery

Understanding the technical specifications of the AG4 battery is crucial for identifying suitable replacements:

• Voltage: The AG4 battery operates at a standard voltage of 1.5 volts.
• Diameter: It has a diameter of 6.8 millimeters, making it compatible with small battery compartments.
• Height: The height of the AG4 battery is 2.6 millimeters, allowing it to fit snugly in various devices.
• Chemistry: The AG4 is typically an alkaline battery, but some versions may be silver oxide, depending on the manufacturer.

These specifications make the AG4 ideal for devices that require a compact yet efficient power source.

What is the Equivalent of an AG4 Battery?

When searching for a replacement for an AG4 battery, you might come across different terms and labels, leading to potential confusion. The most common equivalent to the AG4 battery is the LR626 battery. These two batteries are interchangeable and share identical specifications, making them compatible with the same devices.

LR626: The Direct Equivalent

The LR626 battery is essentially the same as the AG4 battery, offering identical voltage, dimensions, and performance characteristics. It’s important to note that various manufacturers may label the same battery differently, leading to multiple equivalent names.

Key characteristics of the LR626 battery include:

• Voltage: 1.5 volts
• Diameter: 6.8 millimeters
• Height: 2.6 millimeters
• Chemistry: Alkaline

Both the AG4 and LR626 are used interchangeably, ensuring that your device functions properly without the need for any modifications or adjustments.

Other Equivalent Batteries to AG4

In addition to the LR626, there are several other batteries that are equivalent to the AG4. These batteries are compatible with devices designed for AG4 or LR626 batteries and offer similar performance:

• 377: Often used in watches, the 377 battery is another common equivalent.
• SR626SW: This silver oxide version offers a stable voltage output, often preferred in precision instruments.
• LR66: Similar in size and function, the LR66 is another alternative.
• V377: Produced by various manufacturers, the V377 is commonly found in watches and small electronics.

These equivalents offer a range of chemistry options, including alkaline and silver oxide, catering to different device requirements and longevity expectations.

Understanding Battery Chemistry: Alkaline vs. Silver Oxide

The AG4 and its equivalents are available in both alkaline and silver oxide chemistries, each with distinct advantages. Selecting the right chemistry can impact your device’s performance and battery life.

Alkaline Batteries

Alkaline batteries are widely used in consumer electronics due to their affordability and availability. They offer:

• Steady voltage output: Suitable for devices with consistent power demands.
• Cost-effectiveness: Generally less expensive than silver oxide batteries.
• Adequate shelf life: They retain their charge well when not in use.

Silver Oxide Batteries

Silver oxide batteries provide a higher energy density and a more consistent voltage throughout their lifespan, making them ideal for precision devices such as watches and medical instruments. They are characterized by:

• Higher energy density: Longer-lasting power compared to alkaline counterparts.
• Stable voltage: Essential for devices requiring precise voltage regulation.
• Premium pricing: Typically more expensive due to the higher cost of silver.

While both types are suitable replacements for the AG4 battery, your choice should be guided by your device’s specific needs and the balance between cost and performance.

Applications of AG4 and Its Equivalents

The AG4 and its equivalent batteries are used in a variety of small electronic devices. Some common applications include:

• Watches: Providing reliable power for analog and digital timepieces.
• Calculators: Ensuring consistent performance for extended periods.
• Toys: Powering small, lightweight toys where space is limited.
• Medical devices: Used in certain small, portable medical devices requiring precise and reliable power.

These batteries are selected for their ability to deliver steady power in devices where changing the battery frequently would be inconvenient.

Choosing the Right Battery for Your Device

When replacing an AG4 battery, it is crucial to choose an equivalent that meets the exact specifications required by your device. Here’s how to ensure compatibility:

• Check the device manual: The manual often lists compatible battery types.
• Match the specifications: Ensure the voltage, diameter, and height of the replacement battery match those of the original AG4.
• Consider the chemistry: Decide between alkaline and silver oxide based on the device’s power needs and how often you’re willing to replace the battery.
• Purchase from reputable sources: To avoid counterfeit or substandard batteries, buy from trusted suppliers.

Using the correct battery ensures that your device operates efficiently and prolongs the lifespan of the battery.

Redway Power: A Trusted Supplier

For those seeking high-quality battery solutions, Redway Power stands out as a reliable provider. As a lifepo4 battery factory wholesaler, Redway Power specializes in a variety of battery types, including non-rechargeable button/coin cell batteries. Their extensive experience in battery manufacturing ensures that they deliver products that meet stringent quality standards.

Custom Battery Solutions

Redway Power also offers custom lifepo4 battery solutions tailored to the specific needs of B2B and OEM clients worldwide. Whether you require specialized battery designs or large-scale production, Redway Power provides quick and efficient solutions. For more information or to obtain a quote, we recommend contacting them directly.

Conclusion

When it comes to replacing an AG4 battery, understanding the equivalents such as the LR626, and considering factors like battery chemistry and application, are essential for making the right choice. The AG4 and its equivalents are designed to provide reliable, long-lasting power for a variety of small electronic devices, ensuring they continue to function at their best. Whether you opt for an alkaline or silver oxide version, ensuring compatibility with your device will keep it running smoothly.