You are bidding on a Kent Moore HV Precharge Tester EL-48458-A. Item is in overall very good condition. Save some $ here. Info Applications include - 2-Mode Hybrid Trucks/SUV's There are several components connected to the vehicle's 300 volt circuit that could cause an isolation fault between the vehicle ground circuit and its 300 volt circuit. If an isolation fault occurs the battery module will take the 300 volt battery offline and the vehicle will require service. .