Even though some flashlight batteries are 6 volts they would not be
able to crank or start the car engine. This is because the size and
the design of a flash light battery is smaller, different then the car
battery that is built to work harder and puts out a stronger current
battery has two-connection post; a positive (+) post (terminal) and a
negative (-) post (terminal.) In an automobile one side of the battery
is connected to the medal frame of the car this is called ground.
the diagram. Can you find the battery in this diagram?