Auto Meter BCT-200J Intelli-Check II Electrical System Analyzer The BCT-200J can perform a preventative maintenance test on the truck or tractor's electrical system to identify problems in a two-minute procedure. This feature will significantly cut down the preventative maintenance time on fleets, helping you diagnose quicker and get your fleet back out on the road in less time. The BCT-200J will test both the starter and the alternator showing the results of alternator amperage output, charging voltage, ripple amount and starter current draw. Diagnosing electrical issues fast and easy is the reason why this product is a must have wherever your truck or fleet of vehicles are tested. Will quickly and accurately test the vehicle's set of batteries, up to 4 at a time. It also tests single batteries with the same great speed and accuracy you have come to expect from any Auto Meter Test product. Will perform voltage drop tests on the starting, charging, magnetic switch, and lift-gate and stinger cable circuits per TMC's RP129 recommended practices. Another advantage is that you can test wire integrity with simple easy to read menus. Tests flooded and AGM batteries and starting/charging circuits.