Electrical

Battery and Cables

~1min read

Vehicles are equipped with a 12-volt, maintenance-free battery.

The battery and cable system consists of the following components:

  • Battery
  • Battery cable assembly
  • Battery tray

The battery is a 12V DC source connected in a negative ground system. The battery case is sealed with 2 vent holes to release gases. The battery has 3 major functions:

  • Engine cranking power source
  • Voltage stabilizer for the electrical system
  • Temporary power source when electrical loads exceed the generator output current

Ford Motor Company strongly recommends that lead-acid batteries be returned to an authorized recycling facility for disposal.

Test yourself

A quick Ford Focus quiz: every answer comes with an explanation and a link to the manual page.