Apple Watch Guides
Apple Watch Guides

If you’re looking for an Apple Watch with the best possible battery life, the Apple Watch Ultra 2 is the clear winner. However, the Apple Watch Ultra is still a great option if you’re on a budget or don’t need all the features of the Ultra 2.

Battery Life: Apple Watch Ultra vs Ultra 2

FeatureApple Watch UltraApple Watch Ultra 2
Normal UseUp to 18 hoursUp to 36 hours
Low Power ModeUp to 40 hoursUp to 72 hours
Always-On DisplayN/AUp to 18 hours
Cellular CallsUp to 1.5 hoursUp to 1.5 hours
Audio PlaybackUp to 10 hoursUp to 10 hours
Workout (GPS)Up to 12 hoursUp to 12 hours
Workout (GPS + cellular)Up to 5 hoursUp to 5 hours

Important Notes:

  • Actual battery life will vary depending on usage, settings, cellular usage, and other factors

Additional Notes:

  • Low Power Mode disables some features and reduces performance.
  • Always-On Display is available on Apple Watch Ultra 2 only.
  • Actual results may vary.

As you can see, the Apple Watch Ultra 2 has a significantly longer battery life than the Apple Watch Ultra in almost all scenarios. This is thanks to a number of improvements, including a larger battery, a more efficient processor, and a more power-efficient display.

Overview of Apple Watch Ultra

The Apple Watch Ultra emerges as a significant iteration of the iconic Apple Watch series, boasting distinct features geared towards endurance and functionality. Its robust design integrates titanium for enhanced durability, and the device sports a sizeable 49mm case that’s bigger than any of its predecessors. The sapphire front crystal enhances screen protection against scratches and impacts.

Design & Build:

  • Material: High-grade titanium
  • Size: 49mm case dimension
  • Display Protection: Sapphire crystal

Apple intentionally crafted the Watch Ultra with adventurers in mind. It adheres to the MIL-STD 810H standard, indicating that it can withstand various environmental challenges, from extreme temperatures to high altitudes. This ruggedness positions the Watch Ultra as a reliable companion for the most demanding outdoor activities.


  • Military Standard: MIL-STD 810H compliant
  • Intended Use: High endurance and outdoor activities

Performance-wise, Apple Watch Ultra sits at the pinnacle of the series’ offerings. Its design is not just about aesthetics and toughness; the increased case size allows for a larger battery, which is crucial for extended use.

Battery Highlights:

  • Normal Usage: Up to 36 hours
  • Low Power Mode: Extended up to 60 hours

In a market where wearers demand both form and function, the Apple Watch Ultra serves as an exemplary fusion of Apple’s technological innovation and a commitment to rugged, practical design. It stands apart with its increased resistance to the elements, long battery life, and a design that’s both striking and functional, with the added advantage of titanium’s strength without the weight.

Battery Performance

Apple Watch Ultra’s battery efficiency is striking, meeting the needs of users from daily life to extreme sports.

General Battery Life

The Apple Watch Ultra boasts a battery life of up to 36 hours on a single charge. This performance significantly surpasses that of earlier models and provides reliability for users.

Apple Watch Ultra 2 Battery Life

Normal UseUp to 36 hoursBased on 180 time checks, 180 notifications, 90 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth. Includes 8 hours of LTE connection (GPS + cellular model) and 28 hours of connection to iPhone via Bluetooth.
Low Power ModeUp to 72 hoursBased on 360 time checks, 360 notifications, 180 minutes of app use, and two 60-minute workouts with music playback from Apple Watch via Bluetooth. Includes on-demand LTE connection (GPS + cellular model) and 60 hours of connection to iPhone via Bluetooth.
Always-On DisplayUp to 18 hoursSignificantly reduces battery life.
Cellular CallsUp to 1.5 hoursContinuous talk time.
Audio PlaybackUp to 10 hoursStreaming audio via Bluetooth.
Workout (GPS)Up to 12 hoursContinuous GPS tracking.
Workout (GPS + cellular)Up to 5 hoursContinuous GPS tracking with LTE connection.

Additional Notes:

  • Battery life varies based on usage and settings.
  • Low Power Mode disables some features and reduces performance.
  • Always-On Display is available on Apple Watch Ultra 2 only.
  • Actual results may vary.

Charging Solutions

Apple has equipped the Watch Ultra with a lithium-ion battery, which can be recharged swiftly, retaining functionality for users during those times when every minute counts.

Power Management Features

The Low Power Mode extends the Apple Watch Ultra’s battery life, offering users peace of mind during extended use without the need for frequent charging.

Battery Life During Workouts

When tracking workouts, the battery consumption increases due to the use of GPS and heart rate monitoring. However, the Apple Watch Ultra ensures that users get accurate running metrics and heart rate zones without compromising on battery life.

Comparison with Other Series

Battery endurance of the Ultra overshadows that of the Apple Watch Series 8, Series 7, and the Apple Watch SE (2nd Edition), reflecting Apple’s commitment to enhancing user experience.

Apple Watch Ultra vs. Competitors

Against competitors like Garmin watches, which are favored by endurance athletes and water sports enthusiasts, the Ultra stands its ground with its extended battery life and tailored features for a range of activities.

Improvements and Future Projections

The Ultra model reflects significant improvements in battery performance and gives hints at Apple’s directions for future enhancements, catering to the evolving demands of smartwatch users.

Enhanced Battery Features for Specific Activities

For those hitting trails or going hiking, the Apple Watch Ultra provides robust GPS tracking, along with water-resistant capabilities and an operating temperature range, ensuring that battery efficiency is maintained even during specialized activities.

Health and Safety Capabilities

Apple Watch Ultra comes packed with features designed to monitor health and enhance safety. With precise sensors and tailored functions, it supports users in various environments.

Heart Rate Monitoring

Apple Watch Ultra keeps a close eye on the user’s heart rate. During workouts or daily activities, it consistently checks and records heart information. Emergency features kick in if the heart rate drops too low or spikes too high, alerting the user and, if necessary, emergency contacts.

Emergency Features

The watch boasts an array of safety measures. A notable one is Crash Detection, which can call for help if the user is unresponsive after a car crash. Additionally, there’s an Emergency SOS feature that can make international calls, ensuring help is reachable around the globe. An alarmingly loud siren helps users alert others if they find themselves in danger.

Water Sport Proficiencies

Designed with water sports enthusiasts in mind, the Apple Watch Ultra is water-resistant and includes features like a depth gauge and water temperature reading. The Ocean Band is specifically tailored for use in water sports. Whether for casual swimming or deep-sea adventures, each Apple Watch Ultra is equipped with water ejecting functions so that the speakers are clear after immersion.

Advanced Health Features

This device is not just for fitness tracking; it’s also a tool for comprehensive health monitoring. It includes an electrical heart sensor for ECG (electrocardiogram) app capabilities. The Apple Watch Ultra leverages both L1 and L5 GPS technologies to offer accurate location tracking, essential in an emergency or for safe navigation on unfamiliar trails. With bands like the Alpine Loop and Trail Loop, it stays secured on the user’s wrist, maintaining important health monitoring across activities.

Frequently Asked Questions

Knowing how to maximize and maintain the battery life of your Apple Watch Ultra can help you get the most out of your device. Here are some direct answers to common questions about its battery.

How can I extend the battery life of my Apple Watch Ultra?

To extend your Apple Watch Ultra’s battery life, manage settings to reduce power consumption. This includes dimming the screen, turning off unnecessary notifications, and using Low Power Mode.

What is the estimated battery longevity of the Apple Watch Ultra on a full charge?

The Apple Watch Ultra can last up to 60 hours with new low-power settings. Normally, expect up to 36 hours on a single charge.

How does low power mode affect the Apple Watch Ultra’s battery duration?

Low Power Mode significantly extends the Ultra’s battery life. You can get around 24 additional hours, stretching the total to approximately 60 hours.

Which factors contribute to rapid battery depletion on the Apple Watch Ultra?

High consumption features like LTE connectivity, constant GPS use, and always-on display settings can lead to quicker battery drain.

Is there a difference in battery life between the Apple Watch Ultra and Series 8?

The Apple Watch Ultra boasts a longer battery life than the Series 8, typically offering 36 hours on a full charge compared to Series 8’s lower capacity.

What are the battery maintenance tips to maximize the lifespan of an Apple Watch Ultra?

To maintain battery health, keep the Apple Watch Ultra at room temperature, avoid complete discharges, and unplug the device once it’s fully charged.

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