Apple Watch battery

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 optimised 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 using preproduction Apple Watch Ultra 2 (GPS + Cellular) paired with an iPhone; all devices were tested with prerelease software. Battery life varies by use, mobile coverage, configuration and many other factors; actual results will vary.

All-Day Battery Life

Up to 36 hours
Up to 72 hours in Low Power Mode

All-day battery life is based on the following use: 180 time checks, 180 notifications, 90 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 4G 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: 360 time checks, 360 notifications, 180 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 4G LTE connection and 60 hours of connection to iPhone via Bluetooth over the course of 72 hours. 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. Battery life varies by use, configuration, mobile network, signal strength and many other factors; actual results will vary.

Workout

Up to 35 hours outdoor workout with GPS and 4G LTE in Low Power Mode with fewer GPS and heart rate readings

Up to 17 hours outdoor workout with GPS and 4G LTE in Low Power Mode

Up to 12 hours outdoor workout with GPS

Tested with the heart rate sensor on during workout sessions. Outdoor workout with GPS and 4G LTE in Low Power Mode with fewer GPS and heart rate readings, outdoor workout with GPS and 4G 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, mobile network, signal strength and many other factors; actual results will vary.

Charge

About 1 hour to 80 per cent

About 1.5 hours to 100 per cent

Charge times are from 0–80 per cent and 0–100 per cent using the included Apple Watch Magnetic Fast Charging 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 was 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, mobile network, signal strength, streaming quality settings and many other factors; actual results will vary.

Apple Watch Series 9 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 2023 using preproduction Apple Watch Series 9 (GPS) and Apple Watch Series 9 (GPS + Cellular), each paired with an iPhone; all devices were tested with prerelease software. Battery life varies by use, mobile 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: 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 Series 9 (GPS) usage includes connection to iPhone via Bluetooth during the entire 18-hour test; Apple Watch Series 9 (GPS + Cellular) usage includes a total of 4 hours of 4G 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: 180 time checks, 180 notifications, 90 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 9 (GPS) usage includes connection to iPhone via Bluetooth during the entire 36-hour test; Apple Watch Series 9 (GPS + Cellular) usage includes on-demand 4G LTE connection and 28 hours of connection to iPhone via Bluetooth over the course of 36 hours. Testing conducted by Apple in August 2023 using preproduction Apple Watch Series 9 (GPS) and Apple Watch Series 9 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software. Battery life varies by use, configuration, mobile 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 was tested while connected to iPhone via Bluetooth. Testing conducted by Apple in August 2023 using preproduction Apple Watch Series 9 (GPS) and Apple Watch Series 9 (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, mobile network, signal strength, streaming quality settings and many other factors; actual results will vary.

Workout

Up to 7 hours outdoor workout with GPS

Tested with the heart rate sensor on during workout sessions. Indoor workout was tested while connected to iPhone via Bluetooth. Outdoor workout with GPS and outdoor workout with GPS and 4G LTE were tested without iPhone. Testing conducted by Apple in August 2023 using preproduction Apple Watch Series 9 (GPS) and Apple Watch Series 9(GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, mobile network, signal strength and many other factors; actual results will vary.

Charge

About 45 minutes to 80 per cent

About 75 minutes to 100 per cent

Charge times are from 0–80 per cent and 0–100 per cent using the included Apple Watch Magnetic Fast Charging USB-C Cable. Testing conducted by Apple in August 2023 using preproduction Apple Watch Series 9 (GPS) and Apple Watch Series 9 (GPS + Cellular), each 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.

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, mobile 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 4G 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, mobile network, signal strength and many other factors; actual results will vary.

Family Setup Battery Life

Up to 14 hours

Family Setup battery life is based on the following use: 70 time checks, 45 notifications, 20 minutes of app use, a 5-minute phone call and a 30-minute workout with music playback from Apple Watch via Bluetooth, over the course of 14 hours with 4G LTE connection and Find My location sharing enabled. Testing conducted by Apple in August 2022 using preproduction Apple Watch SE (2nd generation) (GPS + Cellular); all devices tested with prerelease software. Battery life varies by use, configuration, mobile 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 was 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, mobile network, signal strength, streaming quality settings and many other 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 4G LTE

Tested with the heart rate sensor on during workout sessions. Indoor workout was tested while connected to iPhone via Bluetooth. Outdoor workout with GPS and outdoor workout with GPS and 4G LTE were 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, mobile network, signal strength and many other factors; actual results will vary.

Charge

About 1.5 hours to 80 per cent

About 2.5 hours to 100 per cent

Charge times are from 0 to 80 per cent and from 0 to 100 per cent using the included Apple Watch Magnetic Charging 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 Charging 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.

CPU Performance

Up to 20 per cent faster than Apple Watch SE (1st generation)

Results are 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.