What Is a Car Terminal

The two metal posts which protrude off the top or side is the battery. One terminal is positive, the other negative. These should be clean to allow the battery to function properly, though care must be taken when cleaning the “crust” from the posts, as it is usually acidic and dangerous.

What is a terminal on a car battery?

Battery terminals are the electrical contacts used to connect a load (your vehicle or other machinery) or a charger to the battery. They come in a wide variety of designs, sizes and features depending on the type.

What does the battery terminal do?

Battery terminals are located on the end of an automobile’s battery cables. They connect to the battery’s positive and negative posts and provide power to the vehicle’s electrical system. … A tube of dielectric grease, which can help prevent corrosion on battery terminals.