The BT506 is a battery and electrical system analysis tool that use as Adaptive Conductance an advanced battery analysis method, to produce a more accurate examination of the battery’s cold cranking ability and reserve capacity, vital to determining a battery’s true health. The BT506 enables technicians to view the health status of vehicle's battery and electrical system. Download the free and easy-to-use mobile app, available for iOS and Android devices, to use with the BT506 to perform testing and display test results.