The present disclosure is directed to battery cart for transporting large and heavy electric car batteries. The cart includes a pair of independently movable and positionable cart half assemblies, with each cart half assembly having a pair of battery supports that are slidably positionable and lockable along a center crossbar. Each support includes height adjustable columns. The cart assemblies therefore, are adjustable to support batteries of varying sizes as well as positioning a supported battery to desired height, facilitating repairs to, and transport of, the electric car battery.