Precise J2.018.S Watch Battery For Q18 Smart Watch 2 Pieces 3.7V Rechargeable Li ion Polymer Batteries LQ S1 3 7V 380mAh Smart Watch Battery DZ09 Battery For DJ 09 V8 X6 AB.jpg Watch 1 38 Series Original Battery at 230 Smart Watch Battery in. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit J2. 018. S Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss 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: J2. 018. S_K0052674