I recently noticed the auxiliary battery in my Audi A2 and I am curious about its function. Can someone explain its purpose and how it differs from the main battery?
ReplyThe auxiliary battery in an Audi A2 serves as a backup power source for essential electronics in case the main battery fails. It also helps with start-stop systems and reducing load on the main battery.
While the main battery powers the engine and other major components, the auxiliary battery is responsible for supplying power to smaller systems such as the cabin lights and infotainment system.
The auxiliary battery may also assist with regenerative braking, storing the energy generated during braking and using it to power the electrical systems of the car.
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