BT171 12V Digital Battery Tester

– 12V battery tester and charging system analyzer with an LED display screen – Clear backlight tested that is easy to read in any light condition – Positive and negative crocodile clips have reverse connection alarm and overvoltage protection – If the connection is reversed the LED display does not show, reverse indicator lights up and issues an alarm alert – Various colored LED lights show the status of the battery or alternator – LED display shows time voltage of the battery and lights up to indicate the battery status – Ready to use once connected.