Samsung Gear S3 review: giving a full-on phone-on-a-watch a third go - CNET
How To Increase Battery Life On Your Gear S3 - YouTube
Samsung Gear S3 Frontier Day 12 review - Battery life, timer, calendar, S Health Running & more - YouTube
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
Samsung Gear S3 – S Health, Fitness Tracking, Battery Life and Verdict Review | Trusted Reviews