# item.guide
Side-by-Side Comparison Button Cells

CR2032 vs. CR2450

Comparing 2 standards across 5 specifications. 4 key differences identified.

Comparing:
CR2032
CR2450
CR2032 →

A CR2032 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 20.0mm in diameter and 3.2mm in thickness with a standard capacity of ~225 mAh. It is widely used in key fobs, motherboard CMOS, and Apple AirTags.

View full CR2032 spec sheet →
CR2450 →

A CR2450 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 24.5mm in diameter and 5.0mm in thickness, with a nominal capacity of about 610 mAh -- among the largest standard coin cells. It's commonly used in larger remote controls, TPMS sensors, and medical alert devices needing extended runtime.

View full CR2450 spec sheet →

Specification Comparison Table

5 Parameters
Parameter / Spec
CR2032
CR2450
Diameter
20.00 mm 24.50 mm
Height
3.20 mm 5.00 mm
Nominal Operating Voltage
3.00 V 3.00 V
Nominal Capacity
225 mAh 610 mAh
Chemistry
— Lithium Manganese Dioxide

Other Alternatives to Compare

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