Snap - on® 6V or 12V Battery Tester. End the guessing game, KNOW your battery's strength!
Your greatest automotive project is finally coming out of storage. How's she start? This Snap-on® Battery and Charging System Tester gives you a read on any 12V battery, conventional or maintenance free. Checks state of charge, charging system output, battery load and starter system. Handles cars, trucks, even RVs!