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

CR1620 vs. CR2032

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

Comparing:
CR1620
CR2032
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 →
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 →

Specification Comparison Table

5 Parameters
Parameter / Spec
CR1620
CR2032
Diameter
16.00 mm 20.00 mm
Height
2.00 mm 3.20 mm
Nominal Operating Voltage
3.00 V 3.00 V
Chemistry
Lithium Manganese Dioxide —
Nominal Capacity
— 225 mAh

Other Alternatives to Compare

Compare CR1620 vs. CR1220 → Compare CR1620 vs. CR1616 → Compare CR1620 vs. CR2016 → Compare CR1620 vs. CR2025 → Compare CR1620 vs. CR2450 → Compare CR1620 vs. CR2477 → Compare CR1620 vs. LR41 / AG3 → Compare CR1620 vs. LR44 / AG13 → Compare CR1620 vs. SR626SW / 377 →