S378fd8599d6f4c28b17f1fb8d3b6828bZ.jpg New APP00302 300mAh Battery For Connect 2.0 40mm Smart Watch Battery eBay Store Home Products Feedback Bigger battery capacity 400mAh, single charge can use for 20 25 days. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit H4008_2 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: H4008_2_K0051311