Samsung SM R830 SM R835 Galaxy Watch Active 2 40mm SM R850 SM R855 Apple MNK83CH A replacement watch battery UAEBattery Apple MNK83CH A replacement watch battery UAEBattery EB BR830ABY Samsung Galaxy Watch Active 2 40mm SM R835 SM R830 Battery 653028 for smart watch battery 4.35v 680mAh 3. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit MCK835 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: MCK835_K0067275