OTC 3167 SABRE Heavy-Duty Battery And Electrical System Diagnostic Tester Digital circuitry precisely controls battery test loads to accurately determine battery conditions Tests both flooded lead acid and absorbed glass mat batteries accurately down to 1 volt state of charge Tests vehicle starting and charging systems with minimal user interaction Tests all 6- and 12-volt batteries with a 50-2000 CCA operating range Includes SABRE HP 3 feet test leads side-post terminal adapters instruction manual and molded-plastic carrying case