Energizer 379/SR521SW Silver Oxide Button Battery: Compact, Reliable Power for Everyday Devices

When it comes to powering small electronic devices, a dependable battery is essential for consistent performance and reliability. The Energizer 379/SR521SW Silver Oxide Button Battery is designed to meet these needs with precision, offering stable energy output in a compact size. Whether you need a reliable power source for a watch, calculator, medical device, or small electronics, this battery is engineered to deliver long-lasting, dependable energy.

 
Key Features of the Energizer 379/SR521SW Button Battery

The Energizer 379/SR521SW stands out for its advanced technology, compact design, and trusted brand reputation. Below are the key specifications that make this battery a go-to choice:

Battery Chemistry: Silver Oxide
Voltage: 1.55 volts for stable power output
Dimensions: 7.9 mm in diameter and 2.6 mm in height
Compatibility: Works as a replacement for numerous battery models
Applications: Watches, calculators, medical devices, and other compact electronics
Packaging: Convenient single-card format for easy storage
These features highlight the battery’s versatility and reliability, making it a perfect fit for a wide range of applications.

 
Silver Oxide Chemistry for Superior Performance

The silver oxide chemistry used in the Energizer 379/SR521SW battery is specifically designed for precision devices that require consistent energy output. Here’s what makes silver oxide the preferred choice for small electronics:

1. Stable Voltage Output

Silver oxide batteries provide a consistent 1.55-volt output throughout their lifespan, ensuring that your devices function optimally without performance fluctuations. This is particularly critical for precision instruments like watches and medical devices.

2. Extended Lifespan

Silver oxide batteries have a slower self-discharge rate compared to alkaline or zinc-based alternatives. This means they retain their charge longer, even during periods of inactivity, making them ideal for backup or infrequently used devices.

3. High Energy Density

Despite their small size, silver oxide batteries deliver substantial energy, making them suitable for compact devices that require reliable power for extended periods.

4. Environmentally Friendly

Energizer’s silver oxide batteries are mercury-free, ensuring safety for both users and the environment. This eco-friendly design aligns with modern sustainability standards.

 
Compact Size with Accurate Dimensions

The Energizer 379/SR521SW battery is meticulously crafted to meet the precise size requirements of small electronic devices. Its 7.9 mm diameter and 2.6 mm height allow it to fit securely in compact spaces, ensuring seamless integration into your devices.

Applications for Compact Devices

This battery is perfect for devices that demand both precision and compact power solutions, including:

Watches: Provides consistent energy for analog and digital timepieces.
Calculators: Powers essential tools for students, professionals, and engineers.
Medical Devices: Ensures accurate performance for glucose monitors, hearing aids, and other health equipment.
Key Fobs and Remote Controls: Delivers reliable energy for keyless entry systems and small remotes.
Other Small Electronics: Ideal for digital thermometers, toys, and laser pointers.
The battery’s compact design makes it an indispensable choice for devices with limited space.

 
Wide Compatibility for Versatile Use

One of the most convenient features of the Energizer 379/SR521SW battery is its broad compatibility with various battery models and designations. It can replace the following:

Primary Designations: 379, SR521SW, SR/TR521SW
Alternate Codes: D379, V379, SP379, SG-521S, LR521, SR63, 280-59
Additional Equivalents: 1191SO, 618, JA, RW327, SB-AC/DC
This extensive compatibility ensures you can use the Energizer 379/SR521SW battery in multiple devices without the hassle of sourcing different battery types.

 
Dependable Power for Everyday Use

The Energizer 379/SR521SW battery combines compact size with impressive power, delivering dependable energy for a variety of applications. Here’s how it excels in everyday use:

1. Reliable Performance

Silver oxide chemistry ensures a steady voltage output, reducing the need for frequent replacements and maintaining consistent device functionality.

2. Long Shelf Life

Energizer batteries are designed to retain their charge for extended periods, making them a reliable choice for backup or emergency use.

3. Precision Engineering

The battery’s accurate dimensions and secure fit reduce the risk of power interruptions, ensuring your devices operate smoothly.

4. Trusted Brand

Energizer has built a reputation as a global leader in battery technology. Their rigorous quality control processes guarantee that each battery meets high performance and safety standards.

 
Convenient Single-Card Packaging

The Energizer 379/SR521SW battery is packaged on a single card for easy storage and accessibility. This thoughtful packaging offers several benefits:

Protection: Keeps the battery safe from environmental factors such as moisture and dust.
Portability: The slim card design allows for convenient storage in drawers, toolkits, or emergency kits.
Readiness: Ensures the battery is ready for use when needed, reducing downtime for device replacements.
 
Why Choose Energizer 379/SR521SW?

Energizer’s commitment to innovation and quality has made it a trusted name in the battery industry. Here’s why the Energizer 379/SR521SW battery is a superior choice:

1. Trusted Brand

With decades of expertise, Energizer is synonymous with reliability and innovation. Their products undergo rigorous testing to ensure optimal performance.

2. Versatility

The wide compatibility of the Energizer 379/SR521SW battery eliminates the need for multiple battery types, simplifying your power needs.

3. Environmental Responsibility

Energizer’s mercury-free design makes their batteries safer for users and environmentally friendly, aligning with modern sustainability standards.

4. Longevity

The battery’s extended lifespan reduces the frequency of replacements, saving you both time and money.

 
Maximizing Battery Life

To ensure you get the most out of your Energizer 379/SR521SW battery, follow these tips:

Store Properly: Keep unused batteries in a cool, dry place to preserve their charge.
Insert Correctly: Ensure the positive and negative terminals align with your device’s contacts.
Remove When Not in Use: For devices that will sit idle for extended periods, remove the battery to prevent unnecessary drain.
Recycle Responsibly: Dispose of used batteries through approved recycling programs to minimize environmental impact.
 
Applications Beyond Everyday Use

While the Energizer 379/SR521SW battery is ideal for watches and calculators, its capabilities extend to niche applications, such as:

Specialized Medical Devices: Ensures dependable energy for portable diagnostic tools.
Backup Power for Emergency Kits: A reliable option for compact devices stored in emergency preparedness kits.
DIY Projects: A great choice for hobbyists building or repairing small electronics.
Its versatility makes it an invaluable addition to your battery supply.

The Energizer 379/SR521SW Silver Oxide Button Battery is a high-performance, reliable power source for small electronic devices. Its advanced silver oxide chemistry, compact dimensions, and extensive compatibility make it an excellent choice for a variety of applications. Whether you’re powering a watch, calculator, medical device, or other compact electronics, this battery provides consistent and dependable energy.

Backed by the trusted Energizer brand, the 379/SR521SW battery ensures your devices perform at their best, every time. Choose Energizer for superior performance, reliability, and peace of mind. Invest in the Energizer 379/SR521SW Silver Oxide Button Battery today and experience the convenience of long-lasting, precision-engineered power.