Watch only mode on the Gear S3 (and Gear Sport) can extend battery life by 40 days! - SamMobile
Gear Sport 42mm smartwatch (Bluetooth), Blue
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Amazon.com: WUHAO for Samsung Galaxy Gear Sport SM-R600 R600NZKCXAR Replacement Battery, for EB-BR730ABE Battery with [Set of Screws] and Tool Repair Kit : Cell Phones & Accessories
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Anyone else get incredible battery life out of the Watch Pro 5? I charge it twice a week : r/samsunggalaxy
Replacement Battery EB-BR730ABE For Samsung Galaxy Gear Sport Smart Watch SM-R600 Tool - Walmart.com