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

CR1220 vs. CR2450

Comparing 2 standards across 5 specifications. 3 key differences identified.

Comparing:
CR1220
CR2450
CR1220 →

A CR1220 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 12.5mm in diameter and 2.0mm in thickness, with a nominal capacity of about 35 mAh. Its small size makes it common in car key fobs, small LED lights, and low-power Bluetooth beacons.

View full CR1220 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
CR1220
CR2450
Diameter
12.50 mm 24.50 mm
Height
2.00 mm 5.00 mm
Nominal Operating Voltage
3.00 V 3.00 V
Nominal Capacity
35 mAh 610 mAh
Chemistry
Lithium Manganese Dioxide Lithium Manganese Dioxide

Other Alternatives to Compare

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