490PT Digital Battery Conductance Analyzer 741X490 The PulseTech 490PT uses a patented "conductance testing? to completely analyze your battery quickly and accurately. This hand-held unit is designed to help installers provide better battery maintenance by finding problems before the consumer gets stranded. ? AGM Testing Algorithm -- test capabilities to match the changing battery landscape ? Improved battery algorithms -- more decisive, more accurate than ever before ? Enhanced in-vehicle test algorithms based on OEM requirements and vehicle changes, including jumper-post testing for vehicles with remote batteries