• MotoBatt 12V Battery Fixed Load Tester Durable Metal Housing, Easy to Use, True 125A Load Test, Microporcessor Controlled, Automatically Turns Load Off After 10 Seconds and Holds Under-Load Volgate Reading for Comparison to Test Matrix on Tester Face.• Timed, Auto Shut-Off 125A Resistance Tester• Use on up to 400CCA Batteries