Side-by-Side Comparison
Button Cells
CR2032 vs. LR41 / AG3
Comparing 2 standards across 5 specifications. 5 key differences identified.
Comparing:
CR2032
LR41 / AG3
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.
An LR41 battery (also sold as AG3 or 392) is a 1.5V Alkaline button cell measuring approximately 7.9mm in diameter and 3.6mm in thickness. It's a common size for small thermometers, compact watches, and other low-drain miniature electronics.
Specification Comparison Table
5 Parameters| Parameter / Spec | ||
|---|---|---|
|
Diameter
|
20.00 mm | 7.90 mm |
|
Height
|
3.20 mm | 3.60 mm |
|
Nominal Operating Voltage
|
3.00 V | 1.50 V |
|
Nominal Capacity
|
225 mAh | — |
|
Chemistry
|
— | Alkaline |