Over two days of use, the Epic 4G averaged between 9 and 10 hours of usage time before having to find an outlet. (laptopmag.com)
Users have dreamed of switching out cameras depending on the situation, installing more powerful processors as they are released and adding battery packs for longer usage time. (techtimes.com)
The same screen that allows you to view which apps are using up storage on your watch also allows you to view your charging habits and usage times for your watch. (howtogeek.com)