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Parts for your 2019 Audi Q5-Batteries
OEX Voltage Reducer 24V To 12V - Switch Mode Single Circuit - 20A (With Memory wire for Radio) - ACX7203
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OEX Voltage Reducer 24V To 12V - Switch Mode Single Circuit - 5A (With Memory wire for Radio) - ACX7200
OEX Voltage Reducer 24V To 12V - Switch Mode Single Circuit - 15A (With Memory wire for Radio) - ACX7202
Redarc Voltage Inverter remote control (on/off) To Suit Pure Sine Wave Inverter Range - REMOTE-RS
2019 Audi Q5 Batteries — Purpose, Care and When to Replace
Based on technical sources including the 2019 Audi Q5 Owner’s Manual (Type FY), Audi erWin service information for the FY electrical system, and the VAG parts catalogue, the 2019 Audi Q5 is fitted with a 12‑volt absorbed glass mat (AGM) battery and an Intelligent Battery Sensor (IBS). So yes — batteries are absolutely relevant on this model.
In the 2019 Q5, the battery does far more than crank the engine. It feeds the vehicle’s energy management system, powers safety and driver‑assist electronics, supports stop‑start operation, and keeps comfort features like the infotainment, powered tailgate and climate control happy. An AGM battery is used because it tolerates frequent charge–discharge cycles and higher accessory loads better than a conventional flooded unit.
Owners can expect a service life typically around 4–6 years depending on climate and usage. Telltales of a tired battery include slow cranking, irregular stop‑start behaviour, warning messages about energy management, dimming lights at idle, or the need for frequent jump starts.
When replacing, it’s important to match the original specification: 12‑V AGM with correct capacity (Ah) and cold‑cranking amps (CCA) for the vehicle’s equipment level. After installation, the new battery should be registered/coded to the car using a compatible scan tool (e.g., ODIS, VCDS, OBDeleven). This step informs the Audi’s energy management of the new battery’s type and capacity so charging and stop‑start strategies work properly. Skipping coding can shorten battery life and cause stop‑start or charge faults.
Daily care is straightforward. Keep the terminals clean and tight, and avoid fitting non‑AGM chargers. If the Q5 sits for long periods, pop it on a smart charger with an AGM mode via the dedicated jump/charging posts. Many Q5s house the main battery in the boot area