Apple Watch Ultra 2 Battery Information
Apple Watch Ultra 2 was designed for endurance athletes, outdoor adventurers, and water sports enthusiasts who need long battery life to compete and explore. So we optimized every aspect of Apple Watch Ultra 2 for battery life. And because everyone will use Apple Watch Ultra 2 differently, we tested several other metrics as well.
Apple Watch Ultra 2 battery life testing was conducted by Apple in August 2023 and August 2024 using preproduction Apple Watch Ultra 2 (GPS + Cellular) paired with an iPhone; all devices were tested with prerelease software. Battery life varies by use, cellular coverage, configuration, and many other factors; actual results will vary.
Multi-Day Battery Life
Up to 36 hours
Up to 72 hours in Low Power Mode
Multi-day battery life is based on the following use: 600 time checks, 180 notifications, 30 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 36 hours; Apple Watch Ultra 2 (GPS + Cellular) usage includes a total of 8 hours of LTE connection and 28 hours of connection to iPhone via Bluetooth over the course of 36 hours. Battery life in Low Power Mode is based on the following use: 1200 time checks, 360 notifications, 60 minutes of app use, and two 60-minute workouts with music playback from Apple Watch via Bluetooth, over the course of 72 hours; Apple Watch Ultra 2 (GPS + Cellular) usage includes on-demand LTE connection and 60 hours of connection to iPhone via Bluetooth over the course of 72 hours. Testing conducted by Apple in August 2024 using preproduction Apple Watch Ultra 2 (GPS + Cellular) paired with an iPhone; all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Workout
Up to 35 hours outdoor workout with GPS and LTE in Low Power Mode with fewer GPS and heart rate readings
Up to 17 hours outdoor workout with GPS and LTE in Low Power Mode
Up to 12 hours outdoor workout with GPS
Tested with heart rate sensor on during workout sessions. Outdoor workout with GPS and LTE in Low Power Mode with fewer GPS and heart rate readings, outdoor workout with GPS and LTE in Low Power Mode, and outdoor workout with GPS tested without iPhone. Testing conducted by Apple in August 2023 using preproduction Apple Watch Ultra 2 (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Charge
About 1 hour to 80%
About 1.5 hours to 100%
Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast Charger to USB-C Cable. Testing conducted by Apple in August 2023 using preproduction Apple Watch Ultra 2 (GPS + Cellular) paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charging USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with region, settings, and environmental factors; actual results will vary.
Audio Playback
Up to 20 hours playback from Apple Watch storage
Tested with music playback from Apple Watch via Bluetooth. Playback from Apple Watch storage tested while connected to iPhone via Bluetooth. Testing conducted by Apple in August 2023 using preproduction Apple Watch Ultra 2 (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Apple Watch Series 10 Battery Information
Apple Watch is so capable you’ll want to wear it all day long. So we made sure we gave it a battery that lasts all day, too. Our goal for battery life is 18 hours after an overnight charge, factoring in things like checking the time, receiving notifications, using apps, and doing a 60-minute workout. And because everyone will use Apple Watch differently, we tested several other metrics as well.
Apple Watch All-Day Battery Life testing was conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular), each paired with an iPhone; all devices were tested with prerelease software. Battery life varies by use, cellular coverage, configuration, and many other factors; actual results will vary.
All-Day Battery Life
Up to 18 hours
Up to 36 hours in Low Power Mode
All-day battery life is based on the following use: 300 time checks, 90 notifications, 15 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 18 hours; Apple Watch Series 10 (GPS) usage includes connection to iPhone via Bluetooth during the entire 18-hour test; Apple Watch Series 10 (GPS + Cellular) usage includes a total of 4 hours of LTE connection and 14 hours of connection to iPhone via Bluetooth over the course of 18 hours. Battery life in Low Power Mode is based on the following use: 600 time checks, 180 notifications, 30 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 36 hours; Apple Watch Series 10 (GPS) usage includes connection to iPhone via Bluetooth during the entire 36-hour test; Apple Watch Series 10 (GPS + Cellular) usage includes on-demand LTE connection and 28 hours of connection to iPhone via Bluetooth over the course of 36 hours. Testing conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Audio Playback
Up to 11 hours playback from Apple Watch storage
Tested with music playback from Apple Watch via Bluetooth. Playback from Apple Watch storage tested while connected to iPhone via Bluetooth. Testing conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Workout
Up to 7 hours outdoor workout with GPS
Tested with heart rate sensor on during workout session. Outdoor workout with GPS tested without iPhone. Testing conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Charge
About 30 minutes to 80%
About 60 minutes to 100%
Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast Charger to USB-C Cable. Testing conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Fast-charge testing conducted with drained Apple Watch units. Times measured from the appearance of the Apple logo as the unit started up. Charge time varies with region, settings, and environmental factors; actual results will vary.
Charge for 15 minutes
15 minutes of charging for up to 8 hours of battery life
Testing conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charger to USB‑C Cable (Model A2515), and Apple 20W USB‑C Power Adapter (Model A2305). Charging started on Apple Watch units with less than 40% battery remaining. Charge time varies with region, settings, initial battery levels, and environmental factors; actual results will vary.
Charge for Sleep Tracking
8 minutes of charging for up to 8 hours of Sleep Tracking
Testing conducted by Apple in August 2024 using preproduction Apple Watch Series 10 (GPS) and Apple Watch Series 10 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charger to USB‑C Cable (Model A2515), and Apple 20W USB‑C Power Adapter (Model A2305). Charge time varies with region, settings, initial battery levels, and environmental factors; actual results will vary.
Apple Watch SE Battery Information
Apple Watch is so capable you’ll want to wear it all day long. So we made sure we gave it a battery that lasts all day, too. Our goal for battery life is 18 hours after an overnight charge, factoring in things like checking the time, receiving notifications, using apps, and doing a 60-minute workout. And because everyone will use Apple Watch differently, we tested several other metrics as well.
Apple Watch All-Day Battery Life testing was conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) (GPS) and Apple Watch SE (2nd generation) (GPS + Cellular), each paired with an iPhone; all devices were tested with prerelease software. Battery life varies by use, cellular coverage, configuration, and many other factors; actual results will vary.
All-Day Battery Life
Up to 18 hours
All-day battery life is based on the following use: 90 time checks, 90 notifications, 45 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 18 hours; Apple Watch SE (2nd generation) (GPS) usage includes connection to iPhone via Bluetooth during the entire 18-hour test; Apple Watch SE (2nd generation) (GPS + Cellular) usage includes a total of 4 hours of LTE connection and 14 hours of connection to iPhone via Bluetooth over the course of 18 hours. Testing conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) (GPS) and Apple Watch SE (2nd generation) (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Audio Playback
Up to 10 hours playback from Apple Watch storage
Tested with music playback from Apple Watch via Bluetooth. Playback from Apple Watch storage tested while connected to iPhone via Bluetooth. Testing conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) (GPS) and Apple Watch SE (2nd generation) (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
Charge
About 1.5 hours to 80%
About 2.5 hours to 100%
Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Charger to USB-C Cable. Testing conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) (GPS) and Apple Watch SE (2nd generation) (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Charger to USB-C Cable (Model A2652), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with settings and environmental factors; actual results will vary.
Workout
Up to 10 hours indoor workout
Up to 6 hours outdoor workout with GPS
Up to 5 hours outdoor workout with GPS and LTE
Tested with heart rate sensor on during workout sessions. Indoor workout tested while connected to iPhone via Bluetooth. Outdoor workout with GPS and outdoor workout with GPS and LTE tested without iPhone. Testing conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) (GPS) and Apple Watch SE (2nd generation) (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
CPU Performance
Up to 20% faster than Apple Watch SE (1st generation)
Results based on the performance of common user tasks. Testing conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) and shipping Apple Watch SE (1st generation), each paired with an iPhone; all devices tested with prerelease software. Results reflect the approximate performance of Apple Watch.