How do I know how much battery I have left? GoCube November 19, 2020 15:20 Updated You can check your battery life on the upper right side in the app. Related articles How long does it take to charge my Rubik's Connected Cube? How do I turn the cube on/off? Is it safe to leave my Rubik's Connected charging for a long time? Battery and Charging Recommendation Does the Rubik's Connected come pre-charged? Comments 0 comments Article is closed for comments.