The electric motor is the primary source of power in an electric golf cart. It's responsible for converting electrical energy into mechanical energy to propel the vehicle. Electric motors used in golf carts are usually of a DC (direct current) configuration. Learn about the expenses involved in EV infrastructure by exploring how much a commercial EV charging station costs. The battery is the heart of an electric golf cart. It stores the electric energy that is used to power the electric motor. Golf carts usually use deep-cycle lithium-ion batteries. This battery are designed to provide a steady amount of power over an extended period.