# Apple Watch Ultra 4: Health-focused smartwatch update

> Apple Watch Ultra 4 offers 50-hour battery life and advanced heart monitoring for athletes
- Title: Apple Watch Ultra 4: Health-focused smartwatch update
- Summary: Apple Watch Ultra 4 offers 50-hour battery life and advanced heart monitoring for athletes The Ultra 4 provides 50 hours of battery life and a new heart rate…
- Keywords: apple, watch, ultra, health, battery, heart, athlete, smartwatch, siri, watchos, titanium, ironman
- Source: Mashable — https://mashable.com/tech/apple-watch-ultra-4-review
- Author: Stan Schroeder
- Published: 2026-09-17T12:00:20+00:00
- Read time: 1 min
- Topics: apple, watch, ultra, health, battery, heart, athlete, smartwatch, siri, watchos, titanium, ironman
## Battery life boost
The Ultra 4 delivers up to 50 hours of normal use and 84 hours in low power mode
## Heart rate monitoring upgrade
New electrical heart sensor provides more frequent readings for stress indicators and workout readiness
## Athlete-focused features
The watch can track Ironman-level activities with 18 hours of outdoor workout battery life
## Design consistency
Same titanium case and colors as last year's model with no visual updates
## New watch faces
Siri Modular face dynamically shows the most relevant widget from your smart stack
## Band options
New bands like Translucent Gray Ocean Band match the Natural Titanium color
## Health metrics
Real-time step tracking and heart rate recovery after workouts
## AI features
S11 chip enables improved Shazam, Sound Recognition, Live Rewind, and Siri Recap
## Theater mode
Heart sensors automatically reduce activity in dark rooms or during sleep
## Key takeaway

The Ultra 4 provides 50 hours of battery life and a new heart rate sensor for athletes