Side-by-Side Comparison
Button Cells
LR41 / AG3 vs. SR626SW / 377
Comparing 2 standards across 4 specifications. 4 key differences identified.
Comparing:
LR41 / AG3
SR626SW / 377
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.
An SR626SW (also sold as 377) is a 1.55V Silver Oxide button cell measuring approximately 6.8mm in diameter and 2.6mm in thickness. It's one of the most common watch battery sizes, prized for the flat, stable discharge voltage silver oxide chemistry provides over the cell's life.
Specification Comparison Table
4 Parameters| Parameter / Spec | ||
|---|---|---|
|
Diameter
|
7.90 mm | 6.80 mm |
|
Height
|
3.60 mm | 2.60 mm |
|
Nominal Operating Voltage
|
1.50 V | 1.55 V |
|
Chemistry
|
Alkaline | Silver Oxide |