Understanding the SR 3720M Sanyo: An In-Depth Overview
SR 3720M Sanyo is a term that resonates with technology enthusiasts, electronic consumers, and professionals seeking reliable power solutions. As a product associated with Sanyo, a renowned manufacturer of batteries and electronic components, the SR 3720M is a specific model designed to meet various power needs. This article aims to provide a comprehensive understanding of the SR 3720M Sanyo, covering its specifications, applications, advantages, and considerations for potential users.
What is the SR 3720M Sanyo?
Definition and Basic Features
The SR 3720M Sanyo is a button cell or coin battery, often used in small electronic devices. It is part of Sanyo’s extensive line of batteries known for durability, reliability, and high-performance standards. Typically, the "SR" prefix indicates a Silver Oxide chemistry, which is common in watch batteries and other precision electronic devices.
Key features of the SR 3720M include:
- Chemistry: Silver Oxide (Ag2O)
- Voltage: 1.55 Volts
- Dimensions: Approximately 3.6 mm in height and 3.2 mm in diameter (note: dimensions can vary slightly)
- Capacity: Varies depending on manufacturer specifications, generally around 20 mAh
- Design: Flat, round, and compact for easy integration into small devices
Historical Context and Development
Sanyo has been a pioneer in battery technology since the mid-20th century, focusing on creating reliable, long-lasting power sources for consumer and industrial applications. The SR 3720M is a product born out of this legacy, designed specifically for devices requiring small, high-energy-density batteries.
Technical Specifications of SR 3720M Sanyo
Electrical Characteristics
Understanding the electrical characteristics of the SR 3720M is essential for proper application:
- Nominal Voltage: 1.55V
- Open Circuit Voltage: Typically close to 1.55V
- Discharge Current: Suitable for low-power devices
- Shelf Life: Generally 3-5 years when stored properly
- Operating Temperature Range: -20°C to +50°C
Physical Dimensions
Precise dimensions ensure compatibility with various devices:
- Diameter: 3.2 mm (approximate)
- Height: 3.6 mm
- Weight: Approximately 0.7 grams
Compatibility and Usage
The SR 3720M is compatible with:
- Watches
- Medical devices
- Small electronic toys
- Calculators
- Car key fobs
- Other precision electronic gadgets
Applications of the SR 3720M Sanyo
Consumer Electronics
One of the primary uses of the SR 3720M Sanyo is in consumer electronics, especially in devices requiring stable, long-lasting power sources. Watches, especially digital and chronograph types, often rely on silver oxide button cells for consistent performance over years.
Medical Devices
Due to its reliability and safety, the SR 3720M is utilized in medical equipment such as glucose meters, hearing aids, and other small, critical devices where consistent power is paramount.
Security and Automotive
Car remote controls and security systems often employ coin batteries like the SR 3720M to ensure dependable operation with minimal maintenance.
Industrial and Specialized Uses
In industrial applications, these batteries serve in backup power sources for small-scale devices, sensors, and data loggers.
Advantages of Using SR 3720M Sanyo Batteries
- High Energy Density: Provides long-lasting power in a compact size.
- Stable Voltage Output: Ensures consistent device performance.
- Low Self-Discharge Rate: Maintains charge over extended storage periods.
- Reliable and Safe: Manufactured with high-quality standards, reducing leakages and failures.
- Wide Availability: Easily sourced from various suppliers worldwide.
Considerations When Choosing the SR 3720M Sanyo
Compatibility
Before selecting the SR 3720M Sanyo, ensure your device specifically requires a silver oxide button cell of these dimensions and voltage.
Storage Conditions
To maximize shelf life, store batteries in a cool, dry place, away from direct sunlight and extreme temperatures.
Handling and Disposal
Handle batteries with care to prevent leakage or damage. Follow local regulations for disposal, as batteries contain materials that can be environmentally hazardous.
Authenticity and Quality Assurance
Purchase from reputable suppliers to avoid counterfeit products that can compromise device safety and performance.
Comparison with Similar Batteries
SR 3720W vs. SR 3720M
While both are silver oxide batteries with similar dimensions, the "W" suffix often indicates a different manufacturer or slight variations in capacity or discharge characteristics. Always verify specifications before replacement.
Alkaline vs. Silver Oxide
Alkaline button cells are generally cheaper but have a shorter lifespan and less stable voltage compared to silver oxide batteries like the SR 3720M, which provide more consistent power suitable for sensitive devices.
Where to Buy SR 3720M Sanyo Batteries
Online Retailers
Major e-commerce platforms, electronics specialty stores, and battery suppliers stock the SR 3720M Sanyo. Ensure the seller provides genuine products.
Physical Stores
Electronics stores, watch repair shops, and specialized battery outlets often carry these batteries.
Tips for Purchasing
- Verify product authenticity
- Check expiration dates
- Compare prices from different sources
- Read customer reviews for reliability
Maintaining and Replacing the SR 3720M Sanyo
Proper Handling
Avoid touching the battery terminals with bare hands to prevent corrosion. Use tools or gloves if necessary.
Replacement Tips
- Turn off device before replacing
- Use appropriate tools to open battery compartments
- Dispose of old batteries responsibly
Signs of Battery Wear
- Device malfunction or inconsistent performance
- Reduced battery life
- Visible corrosion or leakage
Conclusion
The SR 3720M Sanyo exemplifies the high standards of Sanyo's battery technology, offering reliable power for a wide array of small electronic devices. Its compact size, stable voltage, and long shelf life make it a popular choice for consumers and professionals alike. When selecting a battery for your device, understanding its specifications, applications, and proper handling can ensure optimal performance and safety. As technology advances, the importance of dependable power sources like the SR 3720M continues to grow, underpinning the functionality of countless everyday devices.
Frequently Asked Questions
What are the key features of the Sanyo SR 3720M microwave oven?
The Sanyo SR 3720M offers a 20-liter capacity, 700W power output, multiple power levels, a digital display, and convenient preset cooking functions, making it suitable for everyday kitchen use.
How does the Sanyo SR 3720M compare to other microwave ovens in its price range?
The Sanyo SR 3720M is known for its reliable performance, user-friendly controls, and durable build, often offering better value compared to other microwaves in the same price bracket due to its features and brand reputation.
Is the Sanyo SR 3720M energy-efficient?
Yes, the Sanyo SR 3720M is designed to be energy-efficient, with adjustable power levels and a digital timer that helps reduce power consumption during operation.
What maintenance tips are recommended for the Sanyo SR 3720M microwave?
To keep the Sanyo SR 3720M in optimal condition, regularly clean the interior and exterior, avoid using metal utensils, and ensure the door seals are clean and intact. Also, periodically check and replace the turntable if necessary.
Can the Sanyo SR 3720M be used for grilling or convection cooking?
No, the Sanyo SR 3720M is a standard microwave oven without grilling or convection features; it is primarily designed for reheating, defrosting, and basic cooking tasks.
What is the warranty period for the Sanyo SR 3720M microwave?
Typically, the Sanyo SR 3720M comes with a 1-year manufacturer's warranty covering manufacturing defects and hardware issues. It is advisable to check with the retailer for specific warranty details.
Where can I purchase the Sanyo SR 3720M microwave?
The Sanyo SR 3720M microwave is available at major appliance retailers, online marketplaces like Amazon and Flipkart, and authorized Sanyo stores depending on your region.
