EB BR760ABE 380mAh Original Battery For Samsung Gear S3 Frontier Gear S3 Classic SM R760 SM R770 SM R765 with Professional Tool|Mobile Phone Batteries| - AliExpress
Amazon.com: Battery for Samsung Gear S3 Frontier SM-R760 and Gear S3 Classic, Wavypo 430mAh 3.85V Battery Replacement for SM-R770 BR760 R765 EB-BR760ABE GH43-04699A with Repair Tools kit : Cell Phones & Accessories