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

CR1616 vs. CR2450

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

Comparing:
CR1616
CR2450

A CR1616 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 16.0mm in diameter and 1.6mm in thickness. Its slim, compact size makes it a common choice for car key remotes and other small keyless-entry fobs.

View full CR1616 spec sheet →

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
Diameter
16.00 mm 24.50 mm
Height
1.60 mm 5.00 mm
Nominal Operating Voltage
3.00 V 3.00 V
Chemistry
Lithium Manganese Dioxide Lithium Manganese Dioxide
Nominal Capacity
610 mAh