Apple Watch to last only 2.5 hours with heavy use. Sorry that will be DOA! http://gizmodo.com/report-the-apple-watch-will-only-last-2-5-hours-with-1681192358 According to a new report from 9 to 5 Mac, the Apple Watch the battery is looking at just 2.5 to 4 hours of "active application use" before it dies "Apple expects to see better battery life when using the Watch's fitness tracking software, which is targeted for nearly 4 hours of straight exercise tracking on a single charge. " ---------- I can get several workouts out of battery eating Garmin. From the sounds of it based on early polling there will be millions of these things sitting in the drawer, never used. One and done.