What is the charging time and the battery life? Anna Iarotska December 02, 2021 12:38 The full charging time is 3 hours. The battery life is up to 5 hours. Related articles Does Robo Wunderkind require internet connection? Where can I find the Robo Wunderkind Curriculum? How safe is your product? Do I or my child need any previous knowledge to use Robo Wunderkind? How is Robo Wunderkind powered? Comments 0 comments Please sign in to leave a comment.