What is the purpose of the Audi A2's alternator?

I noticed that there is an alternator in my Audi A2 but I'm not sure what it does. Can someone explain its purpose and how it affects my vehicle's performance?

The alternator in your Audi A2 is responsible for converting mechanical energy into electrical energy, which keeps your battery charged and powers the electrical systems in your vehicle. It also regulates the voltage to ensure optimal performance.

Apart from generating electricity, the alternator also works with the serpentine belt to power the A/C compressor, water pump, and other parts of your engine. It's an essential component for the overall functioning of your Audi A2.

To put it simply, the alternator is what keeps your car running. Without it, your battery would quickly drain and your car's electrical systems would shut down. It's important to regularly maintain your alternator to ensure it is working properly.