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

CR1620 vs. CR2450

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

Comparing:
CR1620
CR2450
CR1620 →

A CR1620 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 16.0mm in diameter and 2.0mm in thickness. Like the thinner CR1616, it's a common choice for automotive key fobs and other compact keyless-entry remotes.

View full CR1620 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
CR1620
CR2450
Diameter
16.00 mm 24.50 mm
Height
2.00 mm 5.00 mm
Nominal Operating Voltage
3.00 V 3.00 V
Chemistry
Lithium Manganese Dioxide Lithium Manganese Dioxide
Nominal Capacity
— 610 mAh

Other Alternatives to Compare

Compare CR1620 vs. CR1220 → Compare CR1620 vs. CR1616 → Compare CR1620 vs. CR2016 → Compare CR1620 vs. CR2025 → Compare CR1620 vs. CR2032 → Compare CR1620 vs. CR2477 → Compare CR1620 vs. LR41 / AG3 → Compare CR1620 vs. LR44 / AG13 → Compare CR1620 vs. SR626SW / 377 →