Lithium CR2450 Battery - Brands, Equivalents, and Replacements

The CR2450 battery is a small, round lithium coin cell used in many electronic devices. Its compact size and reliable performance make it a favorite for gadgets like watches, calculators, and medical equipment. Known for providing stable and long-lasting power, the CR2450 battery comes in different versions from various brands, each with its own features. This article explores the specifications, comparisons, and brand-specific details of the CR2450 battery, offering a thorough guide to help you choose the best option for your needs.

Catalog

Figure 1: CR2450 Lithium Cell Battery

CR2450 Battery Features and Specifications

The CR2450 battery is a small, round battery often used in various small electronic devices. It measures 24.5 mm in diameter, which is about 0.964 inches, and 5.0 mm in height, or around 0.197 inches. The battery weighs between 5.7 and 6.3 grams, which is about 0.2 to 0.222 ounces.

This battery type uses lithium for the negative side and manganese dioxide for the positive side. The "CR" label refers to this specific combination of materials. These materials help the battery provide a stable and long-lasting power supply, making it a dependable choice for devices like watches, calculators, and medical equipment.

The CR2450 battery is also known by other names depending on the manufacturer. These names include 5029LC, DL2450, ECR2450, CR2450N, CR-2450, CR2450EL, and CR-2450EL. Even though the names vary, they all refer to the same type of battery. Knowing these different names can help you find the correct replacement battery more easily.

CR2450 vs. BR2450

Figure 2: CR2450 vs. BR2450 Lithium Cell Batteries

Feature	CR2450	BR2450
Size	Small, Round	Small, Round
Material for Positive Part	Manganese Dioxide	Carbon-Monofluoride
Popularity	More common	Less common due to new technology
Energy Capacity	600 to 620 mAh (standard)	500 to 550 mAh
High-Drain Devices Capacity	540 to 580 mAh	500 to 550 mAh
Suitability	Better for devices needing steady and higher power	Previously popular for long-lasting low-power use
Market Preference	Preferred choice	Less common in today’s market

The CR2450 and BR2450 are both small, round batteries often used in tiny electronic devices. The BR2450, which uses a special type of material called carbon-monofluoride for its positive part, used to be popular because it could last a long time without losing much power. However, new technology has made these batteries less common.

Today's CR2450 batteries are just as good, if not better, than the BR2450 batteries, especially for devices that use a lot of power quickly. The BR2450 usually has an energy capacity of 500 to 550 milliampere-hours (mAh). On the other hand, CR2450 batteries usually have a higher energy capacity, between 600 and 620 mAh. Some CR2450 batteries made for devices that need a lot of power can have capacities between 540 and 580 mAh.

This means that CR2450 batteries can run devices for longer periods and are more suitable for gadgets that need steady and higher power. Because of these advantages, the CR2450 has become the preferred choice for many people, making the BR2450 less common in today's market.

CR2450 vs. LiR2450

Figure 3: CR2450 vs. LiR2450 Lithium Cell Batteries

This table compares the features of two types of coin cell batteries: CR2450 and LiR2450, highlighting their type, voltage, usage, capacity, rechargeability, recharge cycles, self-discharge rate, environmental impact, risk to sensitive electronics, and cost-effectiveness.

Feature	CR2450	LiR2450
Type	Non-rechargeable lithium coin cell	Rechargeable lithium coin cell
Typical Voltage	3.0V	3.0V, 3.2V, 3.6V, 3.7V
Usage	Small electronic devices (watches, calculators, remote controls)	Devices needing frequent battery changes
Capacity	600-620 mAh	100-125 mAh
Rechargeable	No	Yes
Recharge Cycles	N/A	500-800 cycles
Self-discharge Rate	Lower	Higher
Environmental Impact	Less environmentally friendly	More environmentally friendly
Risk to Sensitive Electronics	Safe	Higher voltage versions (3.2V and above) might harm sensitive electronics
Cost-effectiveness	One-time use, needs replacement	One-time use, needs replacement

The CR2450 and LiR2450 batteries are often compared because they are similar but have some differences in how they are used and how well they work. The CR2450 is a non-rechargeable lithium coin cell battery with a typical voltage of 3.0V. It is commonly used in small electronic devices like watches, calculators, and remote controls. On the other hand, the LiR2450 is a rechargeable version, making it a more environmentally friendly option for devices that need their batteries changed often.

One of the main differences between these two batteries is their voltage. The LiR2450 comes in several different voltages—3.0V, 3.2V, 3.6V, and 3.7V—depending on how they are made. While the 3.0V LiR2450 can safely replace the CR2450 without causing problems, the 3.2V and higher voltage versions might harm sensitive electronics because of the higher voltage they produce.

The LiR2450 battery usually has a capacity of 100 to 125 mAh, which is slightly less than the CR2450 battery. However, LiR2450 batteries can be recharged and used again, usually lasting for 500 to 800 recharge cycles. This can make them a cost-effective choice for devices that need their batteries replaced often.

It is worth noting that LiR2450 batteries lose their charge faster when not in use compared to CR2450 batteries. This is known as a higher self-discharge rate. Despite this, the ability to recharge LiR2450 batteries multiple times can make up for this downside, especially in devices where changing the battery frequently can be expensive and troublesome.

CR2430 vs. CR2450 vs. CR2477

Figure 4: CR2430 vs. CR2450 vs. CR2477 Lithium Cell Batteries

This table provides specifications for different types of CR batteries, detailing their diameter, thickness, storage capacity, and suitable devices for each type.

Battery Type	Diameter (mm)	Thickness (mm)	Storage Capacity (mAh)	Suitable Devices
CR2430	24	3.0	270-290	Small electronics like calculators and some types of remote controls
CR2450	24	5.0	600-620	Devices needing a steady and stronger power supply, such as medical devices, fitness trackers, and digital thermometers
CR2450	24	7.7	1000	Devices that use a lot of power and need to last a long time, like advanced medical devices, high-performance LED flashlights, and various industrial tools

The CR2430, CR2450, and CR2477 are types of lithium coin cell batteries, each with a diameter of 24 mm but differing in height. The CR2430 is 3.0 mm thick, the CR2450 is 5.0 mm thick, and the CR2477 is 7.7 mm thick. This difference in height directly affects how much energy they can store.

The CR2430 has a storage capacity between 270 and 290 milliampere-hours (mAh). It is suitable for devices that don't use a lot of power and don’t need to run for long periods, such as small electronics like calculators and some types of remote controls.

The CR2450, with a storage capacity of 600 to 620 mAh, offers more power. This battery is better for devices that need a steady and stronger power supply. Examples include some medical devices, fitness trackers, and digital thermometers.

The CR2477, with a storage capacity of about 1000 mAh, is the most powerful of the three. It is ideal for devices that use a lot of power and need to last a long time. Such devices might include advanced medical devices, high-performance LED flashlights, and various industrial tools.

CR2450 vs. CR2032

Figure 5: CR2450 vs. CR2032 Lithium Cell Batteries

This table compares the features of two types of batteries: CR2450 and CR2032, highlighting their capacity, voltage, dimensions, energy storage, best use cases, battery life, and replacement frequency.

Feature	CR2450	CR2032
Capacity	600 to 620 milliampere-hours (mAh)	210 to 230 milliampere-hours (mAh)
Voltage	3 volts	3 volts
Diameter	24 millimeters	20 millimeters
Thickness	5.0 millimeters	3.2 millimeters
Energy Storage	Higher	Lower
Best for Devices	LED flashlights, medical equipment, electronic gadgets	Watches, calculators, small electronics
Battery Life	Longer	Shorter
Replacement Frequency	Less frequent	More frequent

When comparing the CR2450 and CR2032 batteries, the main difference is in their capacities and sizes. The CR2450 has a much larger capacity, ranging between 600 to 620 milliampere-hours (mAh), while the CR2032's capacity is between 210 to 230 mAh. Both batteries have the same output voltage of 3 volts, but the higher capacity of the CR2450 makes it better for devices that use more power or need more energy.

The sizes of the two batteries are different too. The CR2450 is bigger, with a diameter of 24 millimeters and a thickness of 5.0 millimeters. The CR2032 has a diameter of 20 millimeters and a thickness of 3.2 millimeters. Because the CR2450 is bigger, it can hold more energy, which is why it has a higher capacity.

Because it can hold more energy, the CR2450 is often chosen for devices that use a lot of power, like LED flashlights, medical equipment, and some electronic gadgets. These devices can run longer on the CR2450, so you don't have to change the battery as often. The CR2032, which is smaller, is usually used in devices that don't need as much power, like watches, calculators, and some small electronics. In these cases, the smaller size of the CR2032 is useful.

Some devices can use both types of batteries, but if you use a CR2032 instead of a CR2450, you will need to change the battery more often because it doesn't hold as much energy. So, choosing between these two batteries depends mostly on how much power the device needs and how much space is available for the battery.

CR2450 with Soldering Tabs

Figure 6: CR2450 with Soldering Tabs

CR2450 batteries with soldering tabs are useful for securely connecting these batteries to motherboards and other electronic devices. These soldering tabs provide a stable and reliable link, ensuring the battery stays in place and maintains consistent contact with the device's circuitry.

When choosing CR2450 batteries, it is better to buy those that come with soldering tabs already attached by the manufacturer. This is because factory-attached tabs are added under controlled conditions, which lowers the risk of damage to the battery. Manually soldering can expose the battery to too much heat, which can hurt its performance or even cause it to stop working. Factory-attached tabs help avoid these overheating problems and make sure the battery lasts longer.

Using CR2450 batteries with pre-attached soldering tabs makes the installation process easier. The tabs allow for simpler and more secure soldering to the device's motherboard, providing a more reliable power connection. This setup is especially useful for applications where a steady and uninterrupted power supply is required, such as in medical devices, computer motherboards, and other sensitive electronics.

CR2450 Battery Safety

The CR2450 battery, a type of lithium coin cell, poses serious safety risks, especially when swallowed. These batteries can cause severe internal injuries due to a process called electrolysis, where an electric current triggers harmful chemical reactions inside the body. To prevent accidental swallowing, manufacturers use child-safe packaging. This step is very important because young children might mistake the small, shiny batteries for candy or toys.

Apart from the danger of swallowing, proper disposal and recycling of CR2450 batteries are very important. Used batteries still contain harmful chemicals and materials that can damage the environment if not handled correctly. Recycling centers are equipped to manage these substances safely, preventing potential contamination of soil and water sources.

Most Popular CR2450 Battery Brands

Among the most popular CR2450 battery brands are Panasonic, Sony, Duracell, Energizer, and Varta. These leading brands are known for their reliable performance and high-quality standards. A CR2450 battery typically features a capacity ranging from 600 to 620 milliampere-hours (mAh), which measures how much energy the battery can store. This capacity allows the battery to power devices for extended periods before needing replacement.

Another useful aspect of CR2450 batteries from these well-known brands is their impressive shelf life, which generally spans between 7 to 10 years. This means that even if the battery is stored for a long period without use, it will keep most of its charge and be ready to perform when needed. The long shelf life is particularly helpful for devices that are not used often.

Also, CR2450 batteries from these manufacturers are made to handle high discharge currents. This means they can deliver a steady and reliable current even under demanding conditions, making them suitable for a wide range of applications, from small electronic devices to more power-hungry gadgets.

While lesser-known brands might offer CR2450 batteries with similar or even better specifications, buyers should be careful. Checking factors such as user reviews, brand reputation, and product details can help in making a good choice. Choosing well-known brands like Panasonic, Sony, Duracell, Energizer, and Varta often provides assurance of quality and reliability, reducing the risk of poor performance or potential battery leakage.

Brand-Specific Details

Figure 7: Brand-Specific CR2450 Lithium Cell Batteries

Panasonic CR2450 batteries are well-known for having a capacity of 620 mAh, which means they can store a good amount of energy. They have a long shelf life, keeping about 90% of their power even after ten years. These batteries work well in a wide range of temperatures, from very cold (-22°F) to quite hot (140°F). They do not contain mercury, which makes them safer for the environment, and they are designed to reduce the risk of leaking.

Sony CR2450 batteries have a slightly lower capacity of 610 mAh but also offer strong protection against leaks. They last just as long on the shelf as Panasonic batteries and work well in similar temperature ranges, ensuring they are reliable over time.

Duracell CR2450 batteries, also known as DL2450, have a typical capacity of 620 mAh. They perform well under the recommended storage and usage conditions, matching the high standards set by other top brands.

Energizer CR2450 batteries have the same 620 mAh capacity and are made to handle devices that use a lot of power. They keep 90% of their charge over ten years, thanks to their low rate of losing power when not in use, making them dependable for long-term storage.

Varta CR2450 batteries also have a capacity of 620 mAh and can work in a wide temperature range from extremely cold (-67°F) to very hot (158°F). Although their exact rate of power loss over time isn't provided, their ability to work in extreme temperatures makes them useful for various conditions.

Renata CR2450 batteries come in two models: CR2450N with a capacity of 540 mAh and CR2450N-MFR with 580 mAh. These batteries are made for devices that need a lot of power and have a low rate of losing charge over time, ensuring they stay reliable for a long period.

Conclusion

The CR2450 battery is a versatile and dependable power source for many electronic devices. Its high energy capacity, long shelf life, and ability to work in extreme temperatures make it a popular choice among users. Top brands like Panasonic, Sony, Duracell, Energizer, and Varta offer CR2450 batteries with different features to suit various needs. By understanding the specifications and differences among these brands, you can make a well-informed decision and keep your devices powered and efficient. Whether you need a battery for a device that uses a lot of power or one that can last for years in storage, the CR2450 battery is a reliable choice.

Frequently Asked Questions [FAQ]

1. What battery can replace CR2450?

A CR2450 battery can be replaced with another CR2450 battery from any reputable brand. It can also be substituted with the BR2450, though CR2450 is more common and often preferred due to its higher capacity.

2. What are lithium 2450 batteries used for?

Lithium 2450 batteries are used in a variety of small electronic devices. These include watches, calculators, medical equipment, fitness trackers, and some remote controls.

3. Is there a difference between CR2450 and CR2032?

Yes, there is a difference between CR2450 and CR2032 batteries. The CR2450 has a larger capacity, higher energy storage, and is physically larger, measuring 24.5 mm in diameter and 5.0 mm in thickness. The CR2032 has a smaller capacity and measures 20 mm in diameter and 3.2 mm in thickness.

4. What is the capacity of a CR2450 lithium battery?

The capacity of a CR2450 lithium battery typically ranges between 600 and 620 milliampere-hours (mAh), allowing it to store a significant amount of energy for prolonged use.

5. Can I replace a CR2450 battery with a CR2032?

You cannot replace a CR2450 battery with a CR2032 battery because of the size and capacity differences. The CR2032 is smaller and has a lower capacity, which means it may not fit properly or power the device as effectively as the CR2450.