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

CR1220 vs. CR1620

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

Comparing:
CR1220
CR1620
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 →
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 →

Specification Comparison Table

5 Parameters
Parameter / Spec
CR1220
CR1620
Diameter
12.50 mm 16.00 mm
Height
2.00 mm 2.00 mm
Nominal Operating Voltage
3.00 V 3.00 V
Chemistry
Lithium Manganese Dioxide Lithium Manganese Dioxide
Nominal Capacity
35 mAh —

Other Alternatives to Compare

Compare CR1220 vs. CR1616 → Compare CR1220 vs. CR2016 → Compare CR1220 vs. CR2025 → Compare CR1220 vs. CR2032 → Compare CR1220 vs. CR2450 → Compare CR1220 vs. CR2477 → Compare CR1220 vs. LR41 / AG3 → Compare CR1220 vs. LR44 / AG13 → Compare CR1220 vs. SR626SW / 377 →