The MVT Battery and Electrical System Tester from Midtronics features a 3.5" color display, an intuitive user interface, a rechargeable internal battery, and comes with field-replaceable cables. It provides a diagnosis of discharged batteries in the vehicle, eliminating the need for charging, and offers reliable battery diagnosis in the presence of vehicle system noise interruptions. It also provides battery diagnosis when the cold cranking amps rating is not visible as well as instant test results in most quick lane testing scenarios.