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

CR1620 vs. CR2477

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

Comparing:
CR1620
CR2477
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 →
CR2477 →

A CR2477 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 24.5mm in diameter and 7.7mm in thickness -- the largest-capacity cell in the common CR-series lithium coin cell line. Its size suits devices needing extended runtime from a single coin-shaped cell, such as larger remote controls and industrial sensors.

View full CR2477 spec sheet →

Specification Comparison Table

4 Parameters
Parameter / Spec
CR1620
CR2477
Diameter
16.00 mm 24.50 mm
Height
2.00 mm 7.70 mm
Nominal Operating Voltage
3.00 V 3.00 V
Chemistry
Lithium Manganese Dioxide Lithium Manganese Dioxide

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. CR2450 → Compare CR1620 vs. LR41 / AG3 → Compare CR1620 vs. LR44 / AG13 → Compare CR1620 vs. SR626SW / 377 →