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

CR1620 vs. CR2016

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

Comparing:
CR1620
CR2016

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 →

A CR2016 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 20.0mm in diameter and 1.6mm in thickness with a nominal capacity of about 90 mAh. Its slim profile suits low-profile devices like slim remotes, LED tea lights, and thin calculators, distinguishing it from the thicker CR2032 of the same diameter.

View full CR2016 spec sheet →

Specification Comparison Table

5 Parameters
Parameter / Spec
Diameter
16.00 mm 20.00 mm
Height
2.00 mm 1.60 mm
Nominal Operating Voltage
3.00 V 3.00 V
Chemistry
Lithium Manganese Dioxide Lithium Manganese Dioxide
Nominal Capacity
90 mAh