Galaxy Watch battery drain returns, Watch 9 gets bigger battery

Galaxy Watch owners are reporting abnormal battery drain for at least the third time this year, affecting models including the Watch 6, 7, and 8. Samsung launched the Galaxy Watch 9 with a 390mAh battery in the 40mm model (20% larger than the Watch 8) and a 445mAh battery in the 44mm model (2.3% larger), paired with a more power-efficient Snapdragon Wear Elite chipset.