article_snippet.sent: Apple defines the Apple Watch battery on Apple Watch product page.
article_snippet.sent: This includes 90 time checks, 90 notifications, 45 minutes of app use, and a 30-minute workout with music.
article_snippet.sent: Talk time: Apple said Watch Watch can be used for up to three hours for calls.
article_snippet.sent: Workout: During this test Watch Watch lasted for seven hours when a workout session was active and the heart rate sensor was on.
article_snippet.sent: When used as a watch the device will last for 48 hours if checked five times an hour.
article_snippet.sent: When the Watch battery  gets low the Apple Watch's battery   switches into Power Reserve mode letting users tell the time for up to 72 hours - with four time checks an hour.
article_snippet.sent: Charging time: The company said The company takes 1.5 hours to charge Watch to 80% and 2.5 hours for a full charge.