How long does it take to charge my battery? Karyna November 13, 2019 16:38 Updated Your smartwatch’s battery can charge to at least 80% in one hour. Related articles How can I tell when my smartwatch is charging? I've placed the smartwatch onto the charger. Why do I not see the charging indicator on the display? How do I charge my smartwatch? How do I conserve battery life? How do I factory reset my device? Comments 0 comments Article is closed for comments.