Using a 12-volt carbon pile tester on a 24-volt system will damage the tester. Connect the large lead of the tester to the cranking motor's battery post on the solenoid and the ground post of the ...

Cheap battery load testers might only work with 12-volt batteries, but many models work with 6-volt and 12-volt, or 12-volt and 24-volt.

Our favorite, the Foxwell Automotive Battery Load Tester, gives rapid reporting on a wide range of 12-volt and 24-volt batteries, alternators, and cranking systems, and it’s also compatible with ...

Cheap battery load testers might only work with 12-volt batteries, but many models work with 6-volt and 12-volt, or 12-volt and 24-volt. You’ll want to check the type of battery they work with ...

Cheap battery load testers might only work with 12-volt batteries, but many models work with 6-volt and 12-volt, or 12-volt and 24-volt. You’ll want to check the type of battery they work with ...