Ajax Tool Works A1603 Smoothing Hammer 1 3 4" Diameter Center Punch or AGM batteries Also tests 639 ounces or AGM batteries Also tests discharged batteries and detects bad cells Applies a true 40 amp load during testing to simulate real world operating conditions and provide more accurate test results Tests 6V and 12V batteries rated between 4AH 50AH Stores the last 50 tests in memory The RC 300 enables the user to blue print known good batteries of different types sizes to drive improved testing accuracy The unit will store up to 40 different blue printed battery types The user can also set customized pass fail settings based on their preferred profile Test results include: battery's measured amp hour (AH) capacity Wide range of professional applications including automotive and body repair work Ajax Sets are designed with the professional in mind these sets are used in a wide range of professional applications