Smartwatch Battery For EB BR720ABE Samsung Gear S2 Classic SM R720 SM Powerful J2.040.M Watch Battery For Samsung Galaxy J2 LTE J200M Long Life Replacement Persistent Long Endurance 3700mAh Battery Charger for Samsung Galaxy J2 Core SM High Capacity 4980mAh Replaceable Battery for Samsung Galaxy J4 2018 SM Se2fda8c614934f319f8ceab9d0b980d0U.jpg. 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