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Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Charging System (Battery, Starter And Generator) & Cruise Control (1 Of 2)) >> 27 Battery, Starter, Generator, Cruise Control >> Battery >> Battery, Charging >> Auxiliary Battery -A1-, CHARGING, 0K4 AND VH0

Auxiliary Battery -A1-, CHARGING, 0K4 AND VH0

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

The Auxiliary Battery -A1- is switched in parallel to the Battery - A-. When charging the Battery -A-, the Auxiliary Battery -A1- is also charged. The battery charger is not designed for being connected directly to the Auxiliary Battery -A1-.

-- Charge the Battery -A-. Refer to Battery -A-, CHARGING .