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FAQs
CR2450 vs CR2032 Battery: What are the Differences? ›
The CR2032 battery has a diameter of 20 mm and a thickness of only 3.2 mm. In contrast, the CR2450 battery has the same diameter but is thicker and has a thickness of 5.0 mm. Just because the thickness of CR2450 increases, its battery capacity is correspondingly larger.
Can I use a CR2032 in place of a CR2450? ›However, if you have a CR2450 on hand, it could be a suitable emergency replacement if it fits without damaging the device. Conversely, using a CR2032 instead of a CR2450 for a device requiring more power could lead to shorter battery life or more frequent replacements.
What battery can you use instead of CR2450? ›CR2450 equivalent
For example, BR2450 is a cadmium-mercury-free lithium battery specification that is very similar in capacity to CR2450, but it has a slightly higher voltage. Because it is a cadmium-mercury free battery, it has less impact on the environment.
BMW Key Fob Replacement Made Easy
Older, diamond-shaped BMW key fobs may use rechargeable batteries, but newer models (and all models with BMW Comfort Access technology) utilize an easily-replaceable CR2450 or CR2032 battery.
Battery Capacity
There are two types of CR2450 batteries: 620mAh and 240mAh. CR2450 batteries have 620mAh nominal capacity and CR2032 batteries have 240mAh nominal capacity. Thus, CR2450 batteries are more efficient and can last longer than CR2032 batteries.