The 845 button cell battery is a small, round battery used in watches and electronic devices. It has a voltage of 1.5V, a standard capacity, and a specific size. Check the manufacturer’s specifications and compatible models to ensure it meets your device’s needs before purchasing.
Compatibility is crucial when selecting a battery. Always check the device specifications to find the correct battery code, as using an incorrect battery can lead to malfunctions. Popular alternatives to the non-existent 845 battery include commonly used types like CR2032, AG13, and LR44. These batteries are readily available at electronics stores and online retailers.
For those needing to replace their old button cell batteries, it is essential to choose a reputable brand to ensure longevity and performance. Always dispose of used batteries properly by following local recycling guidelines to protect the environment.
In the next section, we will explore the characteristics and benefits of actual button cell batteries, highlighting how to select the right one for your devices.
What Is an 845 Button Cell Battery and What Are Its Specifications?
The 845 button cell battery is a small, cylindrical battery commonly used in various electronic devices. This battery typically measures 8mm in diameter and has a height of 5.4mm. It delivers a nominal voltage of 1.5V and operates using alkaline or silver oxide chemistry.
According to the International Electrotechnical Commission (IEC), the 845 designation indicates specific dimensions and voltage characteristics tailored for compact electronic applications. These include calculators, watches, and remote controls.
The 845 button cell’s compact size makes it ideal for devices where space is limited. It provides reliable power with a relatively long shelf life, typically between three to five years. Its chemistry affects performance; for example, silver oxide batteries offer a more stable voltage compared to alkaline counterparts.
The ANSI (American National Standards Institute) provides further insight by categorizing various batteries, including the 845. They emphasize the crucial role of battery chemistry in determining suitable applications and performance longevity.
Several factors contribute to the usage of 845 batteries. High demand for portable electronics drives innovation and production. Additionally, advances in battery technology allow for improvements in energy density and safety.
In 2022, the total market for button cell batteries was estimated at 3.1 billion units, according to Research and Markets. This figure is projected to grow by 5% annually through 2027, fueled by increased adoption in wearable technology.
The proliferation of button cell batteries can impact electronic waste levels. Disposing of batteries improperly can lead to environmental hazards, such as soil and water contamination.
Addressing waste management requires efficient recycling programs. Organizations like Call2Recycle promote education on battery recycling and advocate for legislative action to manage hazardous waste responsibly.
Initiatives such as battery collection events, awareness campaigns, and increased availability of recycling centers can improve disposal practices. Collaboration among manufacturers, consumers, and policymakers remains essential for sustainable solutions.
Which Devices Are Compatible with an 845 Button Cell Battery?
The 845 button cell battery is compatible with various devices, including watches, calculators, toys, and hearing aids.
- Watches
- Calculators
- Toys
- Hearing aids
Many users may only be aware of standard applications for the 845 button cell battery. However, there is a wider range of devices that utilize this battery type, reflecting diverse perspectives on battery use across different sectors.
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Watches: The 845 button cell battery powers both analog and digital watches. This battery type provides the necessary energy for timekeeping and features like alarms and backlighting.
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Calculators: The 845 battery is frequently found in calculators, especially those designed for scientific and educational purposes. It allows for long usage times, ensuring calculators remain functional during exams or extended study sessions.
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Toys: Many small electronic toys, especially those requiring lightweight power sources, utilize the 845 battery. This battery type supports features such as lights, sounds, and movement in toys.
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Hearing Aids: The 845 button cell battery is also commonly used in hearing aids. This application highlights the importance of reliable power sources in medical devices, as they require constant functionality for users.
Overall, the 845 button cell battery serves a variety of devices, showcasing its wide compatibility and crucial role in everyday technology.
How Does an 845 Button Cell Battery Compare to Other Button Cell Batteries?
The 845 button cell battery compares to other button cell batteries in several key aspects. Primarily, the 845 battery has a specific voltage of 1.5 volts, which is common among many button cell batteries. Its size measures approximately 8 mm in diameter and 5.4 mm in height. This size categorizes it as a smaller option, fitting popular devices like calculators and watches.
When compared to other batteries, such as the LR44 or AG13, the 845 offers similar voltage but may differ in size. The LR44 battery typically measures 11.6 mm in diameter and 5.4 mm in height, providing a stronger energy capacity. Additionally, the lifespan of an 845 battery can vary based on usage. Generally, it has a shorter lifespan compared to larger button cells due to its smaller size and capacity.
Compatibility is also crucial. Devices designed for the 845 may not work with different types of button cells without adapters. However, some devices can accept multiple battery types, adding flexibility.
Overall, the 845 battery serves specific functions effectively while offering similarities and differences to other button cell batteries, particularly in voltage, size, lifespan, and compatibility.
What Are the Common Uses for an 845 Button Cell Battery?
The common uses for an 845 button cell battery include various small electronic devices.
- Electronic watches
- Pocket calculators
- Medical devices (e.g., glucose monitors)
- Remote controls
- Small toys
- Hearing aids
- Flashlights
- Key fobs
These uses highlight the battery’s versatility, but it also faces competition from other battery types. Some devices may perform better with alternative batteries. Thus, understanding the specific needs of each device is essential.
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Electronic Watches: The 845 button cell battery powers quartz watches. Quartz mechanisms require low voltage and steady power. According to the Battery University, these batteries are ideal for watch applications due to their long shelf life and reliability.
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Pocket Calculators: For pocket calculators, the 845 button cell battery provides the necessary power for calculations. Many calculators are designed specifically to use these types of batteries, contributing to their compact size and portability. Research from the Consumer Electronics Association indicates that calculators remain widely used in education and business.
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Medical Devices: Medical devices like glucose monitors use the 845 button cell battery due to their reliable performance and safety. Research by the Journal of Diabetes Science and Technology highlights the importance of dependable battery life for daily measurements.
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Remote Controls: Remote controls in households often utilize the 845 battery. These batteries provide a stable energy source for controlling televisions and other appliances, contributing to user convenience and satisfaction, detailed in a study by the Consumer Technology Association.
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Small Toys: Many small toys also require 845 button cell batteries. Toys often need lightweight and compact energy sources. The Toy Association notes that battery-operated toys enhance play experiences, but sometimes alternatives like AAA or AA batteries might be used instead.
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Hearing Aids: Hearing aids frequently rely on 845 button cell batteries, allowing for discreet and effective sound amplification. A review in the American Journal of Audiology emphasizes that battery life is crucial for wearers’ daily comfort and usability.
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Flashlights: Certain compact flashlights use the 845 button cell battery for portability and ease of use. The flashlight industry values batteries that offer reliable performance without excessive weight, as stated by the International Association of Lighting Designers.
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Key Fobs: Automotive key fobs also utilize 845 batteries. These batteries supply energy for remote locking and unlocking of vehicles, enhancing security and convenience. The National Highway Traffic Safety Administration suggests that reliable batteries are essential for preventing potential lock-out situations.
In conclusion, the 845 button cell battery serves various applications across different industries, fulfilling specific energy needs for small electronic devices.
How Can You Identify an 845 Button Cell Battery When Shopping?
You can identify an 845 button cell battery by checking its shape, markings, and specifications, which define its size and type.
The key points for identifying an 845 button cell battery include:
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Shape: The 845 battery has a small, round shape, typical of button cell batteries. This circular design allows for easy insertion into various devices.
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Markings: The battery is usually marked with the number “845,” indicating its designation. Look for additional markings, such as the manufacturer’s logo or voltage information. Commonly, an 845 battery will indicate a voltage of 1.5 volts.
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Dimensions: An 845 battery typically has a diameter of around 9.5 mm and a height of about 2.6 mm. Always measure to confirm, as slight variations can occur between manufacturers.
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Compatibility: Ensure that the 845 battery is compatible with your device. Devices requiring this battery are often specified in user manuals. Some common applications include watches, calculators, and small electronic devices.
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Type: There are different chemistries available for button cell batteries. The 845 can be found in alkaline or lithium variants. Lithium batteries often have a longer shelf life and better performance in extreme temperatures.
Being aware of these characteristics will help you correctly identify an 845 button cell battery when shopping. Remember, using the right battery is essential for optimal performance of your devices.
What Are the Best Replacement Options for an 845 Button Cell Battery?
The best replacement options for an 845 button cell battery include the following alternatives:
- 1.5V LR44 (Alkaline)
- 1.5V SR44 (Silver Oxide)
- 1.55V CR44 (Lithium)
- 1.5V AG13 (Alkaline)
Each of these options has unique attributes. Transitioning from the list, it’s essential to explore these alternatives in detail to understand their features and compatibility.
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1.5V LR44 (Alkaline):
The 1.5V LR44 alkaline battery serves as a common replacement for the 845 button cell battery. Alkaline batteries are widely available and cost-effective. They provide a good balance of performance and price, making them suitable for low-drain devices. However, they have a shorter lifespan under high drain conditions. -
1.5V SR44 (Silver Oxide):
The 1.5V SR44 silver oxide battery is another excellent alternative. Silver oxide batteries offer a stable voltage output throughout their lifespan, making them ideal for devices requiring consistent performance. They generally last longer than alkaline batteries in high-drain applications. However, they tend to be pricier than LR44 options. -
1.55V CR44 (Lithium):
The 1.55V CR44 lithium battery is a potent replacement choice that offers superior longevity and performance in extreme temperatures. Lithium batteries maintain their voltage well over time, making them suitable for devices with unpredictable power demands. They are more expensive but can be worth the investment for critical devices. -
1.5V AG13 (Alkaline):
The 1.5V AG13 alkaline battery is also compatible with the 845 button cell battery. Similar to the LR44, this option is cost-effective and readily available. It’s best suited for low-drain devices. However, AG13 batteries may not perform as well in high-drain scenarios.
These replacement options each come with distinct advantages and drawbacks based on performance and cost. When selecting a replacement, consider device requirements and usage conditions to ensure optimal performance.
Where Can You Purchase an 845 Button Cell Battery?
You can purchase an 845 button cell battery at various locations. Retail stores such as electronics shops, drugstores, and supermarkets typically carry it. Online platforms like Amazon, eBay, and specialized battery websites also offer the 845 battery. Your local hardware store may have it in stock as well. Check the availability at these places to find the battery you need.
How Should You Dispose of an 845 Button Cell Battery Safely?
To dispose of an 845 button cell battery safely, you should never throw it in the trash. Instead, you should take it to a recycling facility that accepts batteries. Many local recycling programs or electronic retailer drop-off locations will handle these batteries properly. Button cell batteries usually contain hazardous materials like lithium or mercury, which can harm the environment if improperly discarded.
Different regions have varying regulations regarding battery disposal. For instance, in the United States, approximately 11 states have laws requiring battery recycling. This means the approach to disposal may vary based on local regulations, and communities may have different options available. In Europe, the Battery Directive mandates that spent batteries must be collected separately from regular waste.
A concrete example of safe disposal could involve taking the battery to a store like Best Buy or Home Depot, which often have drop-off boxes for used batteries. Another option is checking with municipal waste management to find local hazardous waste collection events.
Consider additional factors, such as the battery’s chemical composition, which can impact disposal methods. For instance, lithium-based batteries may have specific regulations compared to alkaline batteries. Additionally, variations in community awareness and available resources for disposal can influence how effectively batteries are recycled.
In summary, always dispose of an 845 button cell battery at a recycling center or retailer that has a proper disposal program. Consider your local regulations and available options. Further exploration can include researching specific recycling centers in your area or understanding the environmental impact of improper battery disposal.
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