A 2018 INFINITI Q50 uses a 12-volt battery. If your model has Intelligent Stop/Start, the car typically uses an AGM battery, while models without Stop/Start use a conventional 12-volt lead-acid battery.
Battery configurations in the 2018 Q50
Stop/Start system presence determines battery type
The 2018 Q50’s electrical system relies on a 12-volt battery, and the exact type depends on whether Intelligent Stop/Start is equipped.
- Intelligent Stop/Start equipped models: a 12-volt AGM (absorbent glass mat) battery designed for frequent cycling and quick recharging.
- Non-Stop models: a conventional maintenance-free 12-volt lead-acid battery.
- All configurations: the battery label should indicate the group size, cold-cranking amps (CCA), and reserve capacity (RC). Always verify the exact spec for your VIN via the label, owner’s manual, or dealer.
In short, the 2018 Q50’s battery type varies with Start/Stop features. Check the battery label or the owner’s manual to confirm the precise specification for your vehicle.
How to identify and replace correctly
To confirm the exact battery specification for your car and ensure proper replacement and system compatibility, use these steps.
- Inspect the battery label (usually on the top or side) for the group size and CCA rating.
- Consult the owner’s manual or a VIN-specific parts diagram to match the exact battery specification for your trim.
- When replacing, choose a battery that meets or exceeds the original CCA and RC values and ensure any Stop/Start system adaptations are handled correctly by the installer.
Conclusion: Always verify the exact group size and CCA for your specific vehicle configuration; when in doubt, contact an Infiniti dealer or qualified technician.
Summary
For a 2018 INFINITI Q50, the primary 12-volt battery is typically AGM if Intelligent Stop/Start is present, or a conventional lead-acid battery if Stop/Start is not installed. Exact group size and performance specs vary by trim and market, so verify the battery label, owner’s manual, or with a dealer to ensure you use the correct replacement.