Hugston Cartman 12V Car Battery & Alternator Tester - Test Battery Condition & Alternator Charging for Cars and Trucks (LED indication)

Description

*Safe and easy to operate, has multiple functions: alternator state check, battery state check, check before charge and overload display, telling us the state of alternator and battery, thereby assuring our driving safety. *LED display indicates condition *Check before Charge: Battery is alive, "OK" to be charged. *Alternator check : accelerate your engine to 2000 rpm when the green light is lit ,charging circuit is ok. *Battery check: indicate the percentage charging in the battery. *Cranking check : red light indicates voltage from Alternator over-high. Packing included: 1pc Car Battery & Alternator Tester