Sa69461cf1d554a1687a93f45a1d034bby.jpg 3.7V Li battery polymer lithium battery For smartwatch LED light Mp3 Amazon.com: Renata Single Watch Battery Swiss Made 357 or SR44SW or Exelent 10 Pack SR626SW Wrist Watch Battery Cell LRAGButton Batteries. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 6617 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: 6617_K0064026