Goshyda EB BR720ABE Battery 3.8V 250MAh Smartwatch Battery Replacement R007 1 36V 48V R007 1 36V 48V 52V 14AH 15AH 21AH LG3500mah Anyone know where I can get a battery how to get this thing up and Amazon.com: #379 Renata Watch Batteries 10Pcs : Health & Household 20 x FRESH Energizer 377 376 WATCH BATTERY SR626SW SR626W Silver Oxide. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit R20786172 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: R20786172_K0063782