An electric car charging station, which charges and discharges batteries, is shown in this handout photo taken in Beijing on Nov. 2, 2016.

The concept could pave the way for the creation of a range of batteries for electric cars.

less An electric vehicle charging station is shown on Nov:02, 2016, in Beijing, China.

The prototype charging station looks like a miniature car charging hub with its charging device connected to a wall, with its electric motor … more Photo: AP Photo/China Daily/via Reuters Buy photo