How do I know how much battery I have left? Particula Help Center 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? Is it safe to leave my Rubik's Connected charging for a long time? How do I turn the cube on/off? Does the Rubik's Connected come pre-charged? Battery and Charging Recommendation Comments 0 comments Article is closed for comments.