The Marine Raider Battery Meter/Alternator Checker monitors the voltage of a 12V battery and checks an alternator's output voltage. Color-coded, copper-covered wires include 1 black wire with a gator clip and 1 red wire with a test probe, while the LED indicators are easy to read. A magnetic back secures the unit while in use. Marine Raider Battery Meter/Alternator Checker - Marine Accessories at Academy Sports
