How often should the batteries be replaced in an Audi A8?

I am thinking of buying an Audi A8 and am curious about how often the batteries need to be replaced. Do you have any advice on maintaining the battery life for an Audi A8?

Ideally, the batteries in an Audi A8 should be replaced every 3-4 years to ensure optimal performance.

It's important to regularly check the battery's voltage and keep it charged to avoid any unexpected battery failures.

If you notice any signs of corrosion or damage on the battery, it's best to have it checked and replaced by a trusted mechanic.