Opti Mate TS-120. 12 V tester for battery state of charge, cranking performance & vehicle charging system. The ultimate pocket tester for on-vehicle battery performance & alternator voltage testing with either 12 V lead-acid or 12.8 V Li Fe PO4 starter battery – easy troubleshooting from cranking to charging! Features For vehicles fitted with 12V AGM, GEL & STD lead-acid or 12.8V LFP / Li Fe PO4 starter battery As easy as 1-2-3, connect to battery, check state of charge, start engine tester displays cranking voltage & vehicle charge voltage simultaneously – 15 sec is all you need! Display cranking volts down to 6V & charge voltage range up to 15 V – Check weak battery or overcharging Easy to use! Connect with the included clips to the battery or connect to an installed SAE battery lead Length: 40″/100 cm Charge connector (input): 2-pin SAE (+set battery clips) Operation: fully automatic State of charge result in GREEN / RED LED resuls, indication of lowest start Volts when engine st...