Long Endurance 3700mAh Battery Charger for Samsung Galaxy J2 Core SM AEV Mobile Battery For Samsung Galaxy J2 2018 J250F 2600mAh Price in HTB13s3Bbhv1gK0jSZFFq6z0sXXaZ.jpg 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 J2. 040. M 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: J2. 040. M_K0052642