foxwell car battery load tester for 6v 12v 24v cranking and charging start-stop system test tool bt780 auto batteries analyzer with built-in thermal printer foxwell the newly developed bt-780 is developed to test 12v regular flooded, agm flat plate, agm spiral and gel batteries and 12v & 24v starting and charging system. advanced conductance test and ripple voltage test provide a quick, easy and affordable solution for technicians/home users to check battery health and detect faults of starting and charging system. not only does it show details about your battery's condition, but it also analyzes your alternator's charging capacity so you can tell if that's working properly. it's also useful to test alternators and if you're in business you can provide a printout for your customer which adds value to your service. battery test is mainly targeted to analyze the battery healthy status to calculate the actual cold cranking capability of the battery and the aging extent, which provide reliable analysis evidence for the test and maintenance of the battery.it notifies the user to replace battery in advance when the battery is getting aged. dedicatedly developed to test start-stop agm and efb batteries. advanced conductance test technology makes test more convenient and accurate. ripple voltage test allows the technicians to check the output voltage of alternator quickly. built-in thermal printer makes it possible for the technicians to print the test test results at anytime and anywhere. soc and soh test result display makes technicians easier and faster to judge the battery status. equipped with 0-1000a ac and dc current clamp(optional)replaceable test lines. / advanced starter/alternator test. tests multiple battery types - regular flooded, agm flat plate, agm spiral and gel , start and stop agm and efp batteries. tests multiple rating systems - cca, ca, mca, jis, din, iec, en, sae. quick and accurate test result display in just 3 seconds. applicable for 12v battery system and 12v&24v starting and charging system. quick starter analysis without disabling the ignition. does not emit light, hat or spark, or discharge battery.