An overhead EV charging system, also known as a pantograph, is a charging infrastructure that supplies power to electric vehicles from an overhead structure. Starline offers a unique overhead solution to supply power to your Electric Vehicle charging equipment. The. Instead of drivers hunting for an open charging spot in a parking garage, overhead rail-mounted charging robots now travel along ceiling tracks and come to the car. The concept, already deployed in garages across multiple Chinese cities, turns every parking space into a potential charging spot. EV charging busway is engineered to enable fast, flexible and scalable electric vehicle (EV) charging for fleet, services with multiple passenger vehicles or medium duty trucks, and last mile delivery.