Applying an industry-leading 130 amp load, this ergonomically designed, heavy-duty battery tester provides accurate, reliable test results in just 10 seconds. It includes uniquely designed clamps for a positive grip on top and side post batteries and an extra large, easy-to-read display. Features and Benefits 130 amp load capacity for accurate results. 0-16 volt range. Uniquely-designed clamps for both top and side post batteries. Extra large display with zero adjust. Works on both 6V and 12V batteries. Ergonomic handle design. Side tabs for on-tool clamp storage. Back brackets for tool storage on wall or toolbox.