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 How can I update the firmware of my Robo Wunderkind? Do you have a written user manual? My Robo Wunderkind is not recognized by the app / Can't connect my Main Block How is Robo Wunderkind powered? Why do I need to enable location services for Robo Wunderkind App? Comments 0 comments Please sign in to leave a comment.