This DY3015C car battery tester is a more advanced tool with the capability to test automotive, marine, motorcycle, Electric car battery and UPS batteries. Four Intelligent tester fully diagnose battery status and electrical systerm of the car.DY3015C battery tester can detect common faults of both starting and generator charging systems, which helps you achieve quick repair to the vehicle problems, Save you money and time. Intergrated printer makes it more practical.