[ 10 pcs ] -- Panasonic Cr2032 3v Lithium Coin Cell Battery Dl2032 Ecr2032 ( Pack of 10 ) Panasonic, the world-wide leading manufacturer in high quality, lithium coin cell batteries. Lithium Manganese-Dioxide Coin Cell Battery, 3.0 Nominal Voltage. High Capacity 225mAh, Diameter 20mm, Height 3.2mm. Ten year shelf life. Original Panasonic branded consumer packaging tear-strip 5 batteries per card. Perfect for watches, fitness, Key FOB's or healthcare devices, and other electronic devices.