CR2450 Battery Buying Guide: Power, Performance, and Smart Choices

What is a CR2450 Battery?

The CR2450 battery is a 3 volt lithium coin cell battery; voltage/current: 3.0V/550mAh; high capacity and stable discharge voltage. Its name reflects its size: 24mm in diameter, 5.0mm in height. It is small in size but very high in energy density electricity that is also stable and long lasting makes it the ideal option for a wide selection of devices.

Applications: Where Is the CR2450 Used?

The CR2450 coin battery is popular in:

Key fobs, including BMW key battery CR2450 replacements
Remote controls (e.g., MyQ battery replacement CR2450)
Fitness trackers and medical devices
Smart sensors and IoT gadgets
Watches, calculators, and digital thermometers
Motherboards and memory backups
Thanks to its stable voltage, it's also ideal for long-term backup in small electronic systems.

Best CR2450 Battery Brands: Which One to Choose?

When it comes to choosing the best CR2450 battery, brand quality matters. Let's look at some trusted options:

Energizer CR2450 Battery – Known for reliability and long-lasting power. A top choice for key fobs and gadgets.
Panasonic CR2450 3V Battery – Stable performance, widely used in industrial and consumer devices.
Duracell CR2450 Battery – Popular for consistent voltage output and excellent shelf life.
If you're not sure which one to choose, searching for best CR2450 battery reviews can give insight from real-world users.

CR2450 vs CR2032: What's the Difference?

A common question is "CR2450 battery vs CR2032". Here's a quick comparison:

Feature	CR2450	CR2032
Diameter	24mm	20mm
Height	5.0mm	3.2mm
Capacity	~620mAh	~220mAh
Voltage	3V	3V

CR2450 has more capacity, so it lasts longer, but it's also thicker. Use it only if your device supports the size

CR2450 Battery Replacement Tips

If you're doing a CR2450 battery replacement, such as in a MyQ garage opener, BMW fob, or thermostat:

Check compatibility – Use the exact size and voltage.
Handle carefully – Coin cells are sensitive to static and should not be short-circuited.
Use a CR2450 battery holder – Especially in soldered or PCB-mounted projects.
Proper disposal – Lithium batteries should be recycled, not thrown away.

Rechargeable CR2450 Batteries: Are They Worth It?

Some users ask about CR2450 battery rechargeable options. While standard CR2450s are non-rechargeable, there are Li-ion rechargeable equivalents, usually labeled LIR2450. These offer lower capacity but can be reused hundreds of times. Ideal for prototypes or DIY projects.

CR2450 Battery Equivalents

If you can't find an exact match, look for CR2450 battery equivalent options. Some compatible models include:

Energizer CR2450
Panasonic CR2450
Duracell DL2450
Maxell CR2450
Sony CR2450
Always check manufacturer specs before substitution.

Conclusion: Why Choose the CR2450 Lithium Coin Battery?

Whether you're replacing a key fob battery, powering a smart sensor, or restocking supplies, the CR2450 lithium 3V battery stands out for reliability, compact size, and long life.