5PK Maxell Silver Oxide SR920W High Drain Watch Battery Replace 2300203 EB BR900ABY battery for Samsung Galaxy Watch 5 40mm, SM R900 Watch Batteries Amazon.com: Vvuilsty EB BR900ABY Battery,Rechargeable 0 Cycle Battery. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit BU9020 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: BU9020_K0063130