Lithium Button Battery New Pack of 10x 1.55V AG3 CX41 LR41 392A Coin Ultra Stable Button Cell Battery PEX541 Amazon.com: hilocell LR41 Button Batteries 30 Pack, AG3 384 Coin Cell DURACELL LR54 1.5V BUTTON CELL BATTERY PACK OF 2 British Chemist. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit PEX541 Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss or Chinese or Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: PEX541_K0062628