What Provides Power to a Car?

1 Answers
SanJuliette
07/30/25 12:55am
Car power supply is provided by the car battery and alternator. The alternator is responsible for charging the battery, keeping it in a fully charged state over time. Both the battery and alternator supply power to all the electrical components in the vehicle. Below is an extended introduction: Specific usage explanation: The car is equipped with a generating device. When the car engine runs, it drives the alternator, which then charges the battery. Simultaneously, the engine operation drives the air conditioning compressor, which cools the air before it is blown out by the fan. Car lights, fans, audio systems, navigation, ignition switches, car dashboards, and other low-power consumption devices use power from the battery. High-power consumption devices like the air conditioning cannot be supported by the battery alone. All switches and devices in the car use power from the battery.
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