The Infiniti Q50 uses a 12-volt automotive battery. The exact size and type depend on your model year and equipment, so you should verify the correct group size for your car before purchasing.
This article explains how to identify the right battery size for your Q50, the options you may encounter (flooded vs AGM), and practical tips for replacement and maintenance.
Identify the correct battery size for your Q50
To avoid buying the wrong size, start with the exact group size code and electrical specifications shown on the existing battery or in the owner's manual.
- Check the battery label on your current battery for the group size code (often a number like 65, H6, 24F, etc.) and the cold-cranking amps (CCA) rating.
- Consult the owner's manual or Infiniti’s official parts catalog to confirm the recommended group size for your year, trim, and market.
- Use your VIN in a dealer or reputable parts site lookup to retrieve the exact battery specification your vehicle requires.
- Measure the battery tray footprint and terminal layout to ensure the replacement will fit properly.
Having the exact group size and specifications ensures compatibility with the mounting points, venting, and terminal positions for your Q50.
Choosing the right type and capacity
In addition to size, consider whether your Q50 uses Start-Stop technology and the importance of AGM versus flooded options.
AGM vs Flooded: Key differences
- Flooded 12V battery: A standard, cost-effective choice for Q50 models without Start-Stop; suitable if your electrical load is moderate and the car is not equipped with Start-Stop.
- AGM 12V battery: Recommended for Q50 models with Start-Stop or high electrical demand; offers better resistance to deep cycling and faster recharging, but at a higher price.
- Capacity and CCA: Choose a battery with equal or higher CCA and capacity than the original to ensure reliable cold starts and long life in your climate.
- Brand and warranty: Prefer reputable brands and check warranty terms (often 3–5 years) for peace of mind.
Selecting the right type and capacity helps protect electrical reliability and supports features like Start-Stop without prematurely draining the battery.
Installation and maintenance tips
When replacing a Q50 battery, follow standard safety procedures: disconnect the negative terminal first, handle the battery safely, and ensure the replacement is secured and vented correctly. If you're unsure, have a professional install the battery to avoid damage to sensitive electrical systems such as the infotainment and security modules.
Summary
The Infiniti Q50 uses a 12‑volt battery, with the exact group size and type varying by year and trim. Identify the correct group size from the battery label, manual, VIN-based lookup, or dealer, then choose between flooded or AGM based on features like Start-Stop and electrical load. Ensure the replacement fits physically and is supported by an adequate warranty for reliable performance.
What type of battery does a 2017 Infiniti Q50 take?
Showing Battery for Infiniti Q50 Premium 2017 L4 2.0L Front Battery Gas. From Our Experts: You'll get reliable starts every time. The X2Power Car Battery Group 35 | 740CCA is a premium AGM solution designed for vehicles with high electrical demands.
What battery does a 2016 Infiniti Q50 take?
Optima Yellow AGM Top Post Battery Group Size 35 - YEL35.
What battery does a 2014 Infiniti Q50 take?
DieHard Platinum AGM – Battery : 35 Group Size, 650 CCA, 810 CA, 100 Minute Reserve Capacity (Part No. 35-AGM)
What size battery for Infiniti Q50?
EverStart Platinum AGM Automotive Battery, Group Size 35 12 Volt, 650 CCA 100RC with Top Post Epoxy Coated Battery Terminals.


