Product Description Digital Battery Tester Aids in diagnosing suspected weak batteries. Test charging system output and starter voltage on any vehicle. Microprocessor controlled design makes testing easier and more accurate. Simple activation of switch applies a precisely timed 10 second load to battery. Audible beep notifies you of test completion. Test voltage and results of "OK", "WEAK or "BAD" are displayed and held until disconnected. Accurately tests charging system output and starter voltage. 2-Year manufacturer warranty
