Now that Apple has shared full details concerning its highly-anticipated Watch devices, which goes on sale in the United Stated and eight major international markets on April 24, starting at $349, the Cupertino company has posted additional details regarding its “all-day”18-hour battery.
Of course, the advertised battery life depends on how you use your Watch. If you're just going to do things like checking the time, receiving notifications, using apps and doing a 30-minute workout, the battery should last up to eighteen hours before needing to be charged again overnight.
Here is what Apple had to say about the Watch's battery performance.