10 Pack AG4 LR626 Button Batteries 1.55V Long Lasting Power Durable 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery Watch Batteries 376 Fitbit Watch Battery Replacement Step By Step Guide Watch Batteries Watch Batteries Batteries Direct. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit H0826_11 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: H0826_11_K0051324