Apply the load as specified by the tester for 15 seconds, or as specified by the load tester manufacturer. A good battery should maintain voltage above a specified level during the test.

The tester can handle 12V as well as 6V batteries, and is able to add up to a 100 amp load test to a 12-volt battery. That ability can show you hard to diagnose problems that more modern and more ...

Manhattan-style layout The load dump test simulates the effect of a spinning automotive alternator in a sudden no-load scenario, such as a loose battery terminal.