![Amazon.com: WAVYPO Battery for Apple Watch Series 1 42mm, High Capacity Replacement Battery for Watch Series 1 A1579 A1554 A1803 (1st Generation) with Repair Tool Kit : Cell Phones & Accessories Amazon.com: WAVYPO Battery for Apple Watch Series 1 42mm, High Capacity Replacement Battery for Watch Series 1 A1579 A1554 A1803 (1st Generation) with Repair Tool Kit : Cell Phones & Accessories](https://m.media-amazon.com/images/I/61kkZCgo7mL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WAVYPO Battery for Apple Watch Series 1 42mm, High Capacity Replacement Battery for Watch Series 1 A1579 A1554 A1803 (1st Generation) with Repair Tool Kit : Cell Phones & Accessories
![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://i0.wp.com/9to5mac.com/wp-content/uploads/sites/6/2018/12/watch-battery-half-marathon.jpg?resize=1200%2C628&quality=82&strip=all&ssl=1)
Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac
![Apple Watch Ultra Will Get Up to 60 Hours of Battery Life With Software Update Later This Year - MacRumors Apple Watch Ultra Will Get Up to 60 Hours of Battery Life With Software Update Later This Year - MacRumors](https://images.macrumors.com/t/azyR9txMs332yD0-lAtPlSLLF60=/2489x/article-new/2022/09/apple-watch-ultra-1.jpg)