Amazon.com: [400mAh] Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, (2021 New Version) Upgrade Replacement Battery for SM-R770, BR760, R765, EB-BR760ABE, GH43-04699A with DIY Repair Tool Kits : Cell Phones
SAMSUNG Original Replacement Battery EB BR760ABE For Samsung Gear S3 Frontier / Classic Smart Watch SM R760 SM R770 SM R765|Mobile Phone Batteries| - AliExpress