When it comes to electronic devices, batteries are an essential component that powers them. From hearing aids to watches, batteries play a vital role in keeping our devices running. But have you ever stopped to think about the different sizes of batteries and what they’re used for? In this article, we’ll delve into the world of 395 batteries and explore their size, characteristics, and applications.
Introduction To 395 Batteries
A 395 battery is a type of silver-oxide battery that is commonly used in watches, hearing aids, and other small electronic devices. These batteries are known for their long shelf life, high energy density, and reliability. But what sets them apart from other batteries? Let’s take a closer look.
Physical Characteristics Of 395 Batteries
So, what size is a 395 battery? The answer is that 395 batteries are relatively small, with a diameter of approximately 9.5 mm and a height of around 3.6 mm. They have a single cell construction and are typically packaged in a stainless steel or zinc-plated steel casing.
In terms of weight, 395 batteries are extremely light, weighing in at around 0.6 grams. This makes them ideal for use in small, portable devices where weight is a critical factor.
Electrical Characteristics Of 395 Batteries
In addition to their physical characteristics, 395 batteries have a number of electrical characteristics that make them useful for a wide range of applications. These include:
- A nominal voltage of 1.55 volts
- A typical capacity of around 47 mAh
- An internal resistance of around 10 ohms
- A maximum discharge current of around 1 mA
One of the key benefits of 395 batteries is their ability to maintain a consistent voltage level throughout their lifespan, making them ideal for use in devices that require a stable power supply.
Applications Of 395 Batteries
So, where are 395 batteries used? The answer is that they’re used in a wide range of devices, including:
- Hearing aids: 395 batteries are commonly used in hearing aids due to their small size, light weight, and ability to provide a consistent power supply.
- Watches: Many watches, including quartz watches and some mechanical watches, use 395 batteries as a power source.
- Calculators: Some calculators, particularly those that are designed for use in professional or scientific applications, use 395 batteries.
- Medical devices: 395 batteries are sometimes used in medical devices, such as glucose monitors and insulin pumps, due to their reliability and ability to provide a consistent power supply.
Comparison To Other Battery Sizes
395 batteries are just one of many battery sizes that are available. But how do they compare to other battery sizes? Let’s take a look at a few examples:
- SR626 battery: The SR626 battery is similar in size to the 395 battery, with a diameter of around 6.8 mm and a height of around 2.6 mm. However, it has a slightly lower capacity and is typically used in devices that require a lower power output.
- SR920 battery: The SR920 battery is slightly larger than the 395 battery, with a diameter of around 9.8 mm and a height of around 5.4 mm. It has a higher capacity than the 395 battery and is typically used in devices that require a higher power output.
Conclusion
In conclusion, 395 batteries are a type of silver-oxide battery that is commonly used in watches, hearing aids, and other small electronic devices. They’re known for their long shelf life, high energy density, and reliability. With a diameter of approximately 9.5 mm and a height of around 3.6 mm, they’re small enough to fit into even the smallest of devices. Whether you’re looking for a reliable power source for your watch or hearing aid, 395 batteries are definitely worth considering.
Final Thoughts
When it comes to choosing the right battery for your device, there are a number of factors to consider. From size and weight to capacity and voltage, each battery has its own unique characteristics that make it suitable for certain applications. By understanding the characteristics of 395 batteries, you can make an informed decision about whether they’re the right choice for your needs.
Battery Type | Diameter (mm) | Height (mm) | Weight (g) | Capacity (mAh) |
---|---|---|---|---|
395 | 9.5 | 3.6 | 0.6 | 47 |
SR626 | 6.8 | 2.6 | 0.3 | 26 |
SR920 | 9.8 | 5.4 | 1.2 | 70 |
Note: The values in the table are approximate and may vary depending on the manufacturer and specific model of the battery.
What Is A 395 Battery?
A 395 battery is a type of button cell battery that is commonly used in small devices such as watches, hearing aids, and other electronic devices. It is a silver oxide battery that provides a reliable and long-lasting power source for these devices. The 395 battery is known for its high energy density, which means it can provide a lot of power relative to its small size.
The 395 battery is also known for its long shelf life, which makes it a popular choice for devices that are not used frequently. It is also resistant to corrosion and can operate in a wide range of temperatures, making it a reliable choice for many applications. Overall, the 395 battery is a popular choice for many industries, including healthcare, consumer electronics, and more.
What Are The Dimensions Of A 395 Battery?
The dimensions of a 395 battery are 7.9 mm in diameter and 5.4 mm in height. This small size makes it ideal for use in small devices where space is limited. The compact size of the 395 battery also makes it easy to handle and install, which can be a major advantage for manufacturers and users alike.
It’s worth noting that while the dimensions of a 395 battery may seem small, it still packs a lot of power and energy density. This means that it can provide a reliable power source for devices even with its small size. The compact size of the 395 battery has made it a popular choice for many industries and applications.
What Is The Voltage Of A 395 Battery?
The voltage of a 395 battery is 1.55 volts. This is a relatively low voltage, but it is still sufficient to power small devices such as watches and hearing aids. The low voltage of the 395 battery also makes it safe to use in devices that are worn on the body or used in other applications where safety is a concern.
The voltage of a 395 battery is also relatively stable, which means that it can provide a consistent power source over its lifespan. This is important for devices that require a reliable power source, such as medical devices or other critical applications. Overall, the voltage of a 395 battery is well-suited for its intended applications.
What Is The Capacity Of A 395 Battery?
The capacity of a 395 battery is typically around 40-50 mAh (milliampere-hours). This is a relatively small capacity, but it is still sufficient to power small devices for an extended period of time. The capacity of a 395 battery is also relatively consistent, which means that it can provide a reliable power source over its lifespan.
The capacity of a 395 battery is also dependent on the specific application and usage. For example, a 395 battery used in a watch may not require as much capacity as one used in a hearing aid. Overall, the capacity of a 395 battery is well-suited for its intended applications, and it provides a reliable power source for small devices.
How Long Does A 395 Battery Last?
The lifespan of a 395 battery can vary depending on the specific application and usage. On average, a 395 battery can last anywhere from 6-24 months, depending on the device it is used in and how often it is used. For example, a 395 battery used in a watch may last for around 12-18 months, while one used in a hearing aid may last for around 6-12 months.
It’s worth noting that the lifespan of a 395 battery is also dependent on factors such as storage conditions, temperature, and humidity. Proper storage and handling of the battery can help to extend its lifespan and ensure that it provides a reliable power source for as long as possible.
Can I Replace A 395 Battery Myself?
Replacing a 395 battery can be a relatively simple process, and it is possible to do it yourself. However, it is important to follow proper safety precautions and handling procedures to avoid damaging the battery or the device it is used in.
It’s also important to ensure that you have the correct replacement battery, as using a battery that is not compatible with the device can cause damage or other problems. If you are not comfortable replacing the battery yourself, it is recommended to consult a professional or the manufacturer’s instructions for guidance.
Are 395 Batteries Expensive?
The cost of a 395 battery can vary depending on the specific type, quality, and brand. On average, a 395 battery can cost anywhere from $5 to $20, depending on the specific application and usage. While this may seem like a lot for a small battery, it is a relatively small cost compared to the cost of the device it is used in.
It’s also worth noting that using a high-quality 395 battery can provide long-term cost savings by reducing the need for frequent replacements. Additionally, using a reliable battery can help to ensure that the device it is used in functions properly and lasts for as long as possible.