FOR SM Galaxy Watch Active 2 40mm SM R835F R830 SM R830 R835 EB Samsung Galaxy Watch Active 2 40mm SM BR830 SM R835 EB 247mAh EB BR830ABY Li Polymer Battery Replacement For Samsung Galaxy Apple MNK83CH A replacement watch battery UAEBattery. 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