2025 3 Volt Battery: A Comprehensive Overview
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2025 3 Volt Battery: A Comprehensive Overview

Introduction
The 2025 3-volt battery, also known as the CR2025 or DL2025, is a small, coin-shaped battery commonly used in a wide range of electronic devices. With its compact size and reliable performance, it has become an indispensable power source for various applications, including watches, calculators, remote controls, key fobs, and medical devices.
Physical Characteristics
The 2025 battery is a button cell battery with a diameter of 20 millimeters and a thickness of 2.5 millimeters. Its cylindrical shape and flat top make it easy to handle and install. The battery is typically made of stainless steel and has a positive terminal on the flat side and a negative terminal on the outer rim.
Chemical Composition and Voltage
The 2025 battery uses lithium manganese dioxide (Li-MnO2) chemistry, which provides a nominal voltage of 3 volts. This stable and reliable voltage makes it suitable for powering low-power electronic devices that require a constant voltage supply.
Capacity and Energy Density
The capacity of a 2025 battery is typically rated in milliampere-hours (mAh). Common capacities range from 150 mAh to 240 mAh, depending on the manufacturer and specific model. The energy density of the battery, measured in watt-hours per liter (Wh/L), is approximately 300 Wh/L.
Shelf Life and Storage
2025 batteries have a long shelf life, typically lasting up to 10 years when stored in a cool, dry environment. The battery’s performance may gradually decline over time, but it will still retain a significant portion of its capacity even after extended storage.
Applications
The 2025 battery is widely used in a variety of electronic devices, including:
- Watches and clocks
- Calculators
- Remote controls
- Key fobs
- Medical devices (e.g., hearing aids, glucose monitors)
- Toys
- Security systems
- Electronic scales
- Memory backup systems
Advantages
- Compact size: The small size of the 2025 battery makes it ideal for use in space-constrained devices.
- High voltage: The 3-volt output provides sufficient power for many low-power applications.
- Long shelf life: The extended shelf life ensures reliable performance even after prolonged storage.
- Wide availability: 2025 batteries are readily available from various manufacturers and retailers.
- Cost-effectiveness: These batteries are relatively inexpensive, making them a practical choice for mass-produced devices.
Disadvantages
- Limited capacity: The relatively low capacity of 2025 batteries may not be sufficient for devices with high power requirements.
- Non-rechargeable: Unlike some other battery types, 2025 batteries are not rechargeable and must be replaced when depleted.
- Potential safety hazards: If handled improperly, 2025 batteries can leak or explode, posing safety risks.
Safety Precautions
When handling and using 2025 batteries, it is important to follow these safety precautions:
- Avoid short-circuiting the battery by connecting the positive and negative terminals.
- Do not expose the battery to heat or fire.
- Keep the battery away from children and pets.
- If the battery leaks, handle it with care and dispose of it properly.
- Always replace the battery with the same type and voltage to ensure compatibility.
Conclusion
The 2025 3-volt battery is a versatile and reliable power source for a wide range of electronic devices. Its compact size, high voltage, long shelf life, and cost-effectiveness make it an ideal choice for low-power applications. By following proper safety precautions and handling the battery with care, users can ensure its safe and efficient use.


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