How do I know how much battery I have left? GoCube August 18, 2020 12:41 You can check your battery life on the upper right side in the app. Related articles How do I turn the cube on/off? How long does it take to charge my Rubik's Connected Cube? Battery and Charging Recommendation Is it safe to leave my Rubik's Connected charging for a long time? What is the Rubik’s Connected Cube? Comments 0 comments Article is closed for comments.