Apple MNK83CH A replacement watch battery UAEBattery Amazon.com: Battery EB BR830ABY for Samsung Galaxy Watch 3 41MM GPS Samsung SM R830 R850 R855 Galaxy Watch3 Watch Active2 EB BR830ABY Samsung SM R830 SM R835 Galaxy Watch Active 2 40mm SM R850 SM R855. 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