Amazon.com: LCLEBM [430mAh] Gear S3 Frontier Battery for Samsung Gear S3 Frontier (SM-R760, R770, R765),Galaxy Gear S3 Classic Replacement Battery for EB-BR760ABE GH43-04699A with Professional DIY Repair Tools : Cell Phones &
Just replaced my Gear S3 battery (24$ + 10$ for tools). Excited to get 3+ days back. Links in comments, will report back with new battery life in a few days. : r/GearS3
Long Life 580mAh Standard Internal Battery for Samsung Gear S3 Frontier SM-R760N | eBay
Samsung SM-R765T Gear S3 frontier (T-Mobile) Smart Watch for sale online | eBay
Long Life 490mAh Excellent Standard Battery f Samsung Gear S3 Frontier SM-R760N | eBay
Samsung Gear S3 gets another update to improve battery life
Samsung Gear S3 frontier (R765A) - Battery Life - AT&T
Samsung Gear S3 Classic and Frontier: Extend Your Battery Life with These Battery Saving Tips - YouTube