What type of batteries are used in Rubik's Connected? GoCube October 20, 2020 11:17 Updated GoCube contains lithium polymer batteries. These are the most common batteries nowadays in rechargeable products, as they are small, but hold a large amount of power (high power density). Related articles My Rubik's Connected won't charge or work at all. How much time does the cube’s battery last? Rubik's Battery FAQ Where can I download the Rubik’s Connected app? The blue LED light on the white center turns off when charging Comments 0 comments Article is closed for comments.