![Apple Watch Series 4. Battery condition 89%. Any idea as to why does the battery drain so fast? Overnight from 100% to 19%. The watch is rocking the latest os update available Apple Watch Series 4. Battery condition 89%. Any idea as to why does the battery drain so fast? Overnight from 100% to 19%. The watch is rocking the latest os update available](https://preview.redd.it/apple-watch-series-4-battery-condition-89-any-idea-as-to-v0-tq3c6xqb9p2a1.jpg?auto=webp&s=3e49aef157f47df2a8920eb4be7538fc35b23b0b)
Apple Watch Series 4. Battery condition 89%. Any idea as to why does the battery drain so fast? Overnight from 100% to 19%. The watch is rocking the latest os update available
![Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2018/12/watch-recap1.jpg?quality=82&strip=all&w=1000)
Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac
![Apple Watch Series 4 Models Have Nearly 20% Less Battery Capacity Despite Same 'Up to 18 Hours' Battery Life - MacRumors Apple Watch Series 4 Models Have Nearly 20% Less Battery Capacity Despite Same 'Up to 18 Hours' Battery Life - MacRumors](https://images.macrumors.com/t/_voEIyzRpBGLBoGoRm1X3N1ogQM=/1600x1200/smart/article-new/2018/09/apple-s4.jpg)