Apple Watch Ultra 3 can last up to eight more hours than the Ultra 2 on a single charge, giving it the longest ever life for an Apple Watch, according to the company.

Apple Watch Ultra 3 hero 250909
Announced on Tuesday at Apple’s “Awe dropping” event, the third-generation Apple Watch Ultra has up to 42 hours of battery life with regular use, and can last up to 72 hours in Low Power Mode. For comparison, Apple Watch Ultra 2 has 36-hour battery life with regular use and up to 72 hours in Low Power Mode.

Here’s what Apple says about battery performance in its press release for the new model:

The power efficiency of the LTPO3-enhanced display, 5G modem, and larger battery deliver longer battery life. For daily use, Apple Watch Ultra 3 features up to 42 hours to support users while they are training, racing, or going about their day. In Low Power Mode, it continues to offer up to 72 hours of battery life. For continuous outdoor workout tracking, Apple Watch Ultra 3 now gets 20 hours of battery life in Low Power Mode with full GPS and heart rate readings.

In addition, Apple says that fast charging the device for 15 minutes provides up to 12 hours of battery life.

The new Apple Watch Ultra 3 starts at $799 and is available to pre-ordered today, with shipping beginning Friday, September 19.

Popular Stories

Apple Announces iPhone 17 Pro and Pro Max With New Design, Larger Battery, and More

Apple today introduced the iPhone 17 Pro and iPhone 17 Pro Max. Both devices feature a new aluminum unibody design, with the Ceramic Shield now protecting both the front and back sides. Apple says the front side is now Ceramic Shield 2, which offers 3x better scratch resistance, while the rear Ceramic Shield is advertised as 4x more resistant to cracks compared to the back glass on previous…

iPhone 17 and iPhone 17 Pro: Release Date and Pre-Orders

Apple will be holding its annual iPhone event on Tuesday, September 9, to unveil the iPhone 17, iPhone 17 Air, iPhone 17 Pro, and iPhone 17 Pro Max. Assuming that Apple sticks to its familiar pattern, the iPhone 17 series should be available to pre-order starting Friday, September 12 at 5 a.m. Pacific Time / 8 a.m. Eastern Time. The release date for the devices should be one week later, on Fr…

Apple Event Live Blog: iPhone 17, iPhone Air, New Apple Watches, and AirPods Pro 3

Apple’s “Awe Dropping” event kicks off today at 10:00 a.m. Pacific Time, where we’re expecting to see the iPhone 17 lineup, several updated Apple Watch models, and the third-generation AirPods Pro unveiled, and perhaps some other announcements. Apple is providing a live video stream on its website, on YouTube, and in the company’s TV app across various platforms. We will also be updating…

Two Versions of AirPods Pro 3 Coming With These Differences

Apple is preparing to launch two versions of the AirPods Pro 3 over 2025 and 2026, according to a Weibo leaker. Yesterday, supply chain analyst Ming-Chi Kuo reported that Apple is planning to debut the AirPods Pro 3 this year. They could arrive as soon as this week at Apple’s “Awe dropping” event. Crucially, Kuo added that Apple is planning to introduce a successor to this year’s AirPods …

New iPhone 17 Pro Details: Brighter Display, Best Battery Life, and More

Apple’s iPhone 17 Pro and iPhone 17 Pro Max models will feature a number of significant display, thermal, and battery improvements, according to new late-stage rumors. According to the Weibo leaker known as “Instant Digital,” the iPhone 17 Pro models will feature displays with higher brightness, making it more suitable for use in direct sunlight for prolonged periods. The iPhone 16 Pro and…

Apple Announces iPhone Air With Ultra-Thin Design

Apple today unveiled the iPhone Air, an all-new kind of iPhone featuring an ultra-thin design. The iPhone Air is just 5.6mm thick, making it the thinnest iPhone ever. The frame is made of titanium with a polished mirror finish. The device features Ceramic Shield 2 with 3x better scratch resistance and 4x better crack resistance, on both sides of the device for the first time. Apple says that …