Dead alternator or dead battery? The alternator/battery tester pinpoints the trouble spot for you, eliminating guesswork and saving time. This compact and easy-to-use device includes three alternator readings (strong, normal, low) and three battery readings (good, fair, poor).

• Three alternator readings: Strong (14V), Normal (13.5V), Low (13V)
• Three battery readings: Good (12.5V), Fair (12V), Poor (10V)
• 28" leads with alligator clip and test probe