What Size Battery Is in the 2014 Audi Q5?

The 2014 Audi Q5 typically uses a 12‑volt AGM battery in the Group 48 (H6) size, with a capacity around 70–80 Ah and a cold‑cranking amps (CCA) rating generally in the 680–800 CCA range, depending on market and exact specification. This article explains what that means in practical terms, why there is some variation, and how owners can choose the correct replacement battery.

Understanding the 2014 Audi Q5 Battery Specification

The 2014 Audi Q5 was sold globally with a range of engines and option packages, which can influence the precise battery specification. While the physical size class is largely consistent, capacity and performance ratings can vary slightly by trim, engine, climate package, and whether the vehicle is equipped with start‑stop or heavy electrical loads (heated seats, advanced infotainment, etc.).

Typical Factory Battery Type and Size

Most 2014 Audi Q5 models are equipped with an absorbed glass mat (AGM) battery in the “Group 48” (also known as H6, or sometimes L3 in European labeling) size. This size defines the external dimensions and terminal layout, which must match the vehicle’s battery tray and cable routing.

The main characteristics of the typical 2014 Audi Q5 battery are:

• Battery voltage: 12 V
• Battery type: AGM (Absorbed Glass Mat), maintenance‑free
• Size group: Group 48 / H6 (Euro L3 footprint)
• Capacity (Ah): commonly around 70–80 Ah
• Cold‑cranking amps (CCA): often in the 680–800 CCA range
• Polarity and terminal position: standard European “left positive” layout for this size

These specifications represent the most commonly used configuration found in North American and European 2014 Q5 models, ensuring the battery can deliver enough cranking power and support the SUV’s relatively high electrical demands.

Why There Are Variations Between Individual Vehicles

Although the physical size is usually consistent, the exact capacity and CCA rating of a 2014 Q5 battery can differ depending on engine and equipment level. Higher‑load setups need stronger batteries, while mild‑option models may be fitted with slightly lower‑capacity units from the factory.

Key factors that can influence the exact rating include:

• Engine type: 2.0 TFSI, 3.0 TFSI, and 3.0 TDI variants may be paired with slightly different capacity/CCA ratings to support different cranking demands.
• Climate and market: Vehicles originally sold in colder climates or specific markets may have higher CCA ratings to ensure reliable starting in low temperatures.
• Electrical options: Features like adaptive lighting, upgraded sound systems, additional heaters, or towing packages can raise overall electrical demand.
• Start‑stop systems (if equipped in some markets): Models with automatic start‑stop require robust AGM batteries designed for frequent cycling and higher load.

Because of these differences, two 2014 Q5s may both use a Group 48 AGM battery, yet have slightly different labels for Ah and CCA, even though both are correct for their specific build.

OEM Battery Specifications and Common Replacements

For owners or buyers looking to replace the battery in a 2014 Audi Q5, it is important to understand both the original equipment manufacturer (OEM) specification and the common aftermarket equivalents that meet or exceed Audi’s requirements.

Typical OEM Audi/VW Battery Ratings

From the factory, Audi typically installs an AGM battery built to VW/Audi part standards. The label will often show capacity and performance in Ah and A (CCA), and it may also have a BEM (Battery Energy Management) code used by the car’s electronics.

Common OEM‑style characteristics for a 2014 Audi Q5 battery include:

• Capacity: approximately 70–80 Ah (70 Ah and 72 Ah are common figures; some trims may have around 80 Ah)
• Cold‑cranking amps: roughly 680–800 A CCA, depending on the exact part and market
• Technology: AGM, designed to handle high accessory loads and frequent cycling
• Physical size: Group 48 / H6 footprint, matching the factory battery tray
• Mounting: bottom hold‑down compatible with the standard Q5 battery clamp

These parameters ensure that any OEM‑equivalent battery will safely fit the battery compartment and provide sufficient power for all vehicle systems, especially during cold starts and heavy accessory use.

Common Aftermarket Group 48 (H6) AGM Replacements

Most major battery brands offer direct‑fit replacements marketed as Group 48 or H6 AGM units. While brands differ by region, their main specifications for a 2014 Q5 are generally similar and often slightly higher than the minimum OEM rating for added margin.

Typical aftermarket Group 48/H6 AGM batteries suitable for a 2014 Audi Q5 will feature:

• Capacity range: 70–80 Ah or occasionally a bit higher
• CCA range: 700–800+ CCA, offering strong cold‑weather starting performance
• Reserve capacity: often in the 120–140 minute range, reflecting good endurance with engine off
• AGM construction: spill‑proof, vibration‑resistant and compatible with energy‑management systems
• Warranty: multi‑year warranties from major brands (varies by manufacturer and region)

When choosing a replacement, matching the group size and AGM technology is more critical than matching every number exactly, as long as the new battery meets or exceeds the original capacity and CCA ratings.

How to Verify the Correct Battery for Your Specific Q5

While the general answer for a 2014 Audi Q5 is a 12 V AGM battery in Group 48/H6 size around 70–80 Ah, owners should confirm exact requirements on their specific vehicle to avoid fitment or compatibility issues.

Steps to Confirm Your Battery Specification

A methodical check helps ensure you purchase a battery that both fits physically and aligns with the vehicle’s electrical management system. Drivers can follow a simple set of checks before buying a replacement.

1. Inspect the existing battery label: Open the hood and locate the battery; read the sticker for Ah, CCA, type (AGM vs flooded), and size markings (e.g., H6, 48, L3).
2. Check the owner’s manual: Audi documentation may list recommended battery specifications or at least point to the correct class and technology.
3. Use a VIN‑based parts lookup: Dealer or reputable online parts catalogs can decode your VIN and list the exact factory‑specified battery part number and rating.
4. Confirm group size and terminal orientation: Ensure any replacement is Group 48/H6 with the same terminal configuration so it fits the tray and cable reach without modification.
5. Match or exceed capacity and CCA: Choose a battery with equal or higher Ah and CCA compared to the original label for best performance and longevity.

By following these verification steps, owners can be confident they’re installing a battery that fully complies with the vehicle’s design, rather than relying solely on generic fit guides.

BEM Coding and Electronic Adaptation (Important for Modern Audis)

Many modern Audi models, including the Q5, integrate the battery into an energy‑management system that tracks charge state, age, and usage through an electronic control module. When replacing the battery, some vehicles require “coding” or “adaptation” of the new unit so the control module knows its characteristics.

Key points to keep in mind regarding battery coding include:

• Battery Energy Management (BEM): Audi may use a BEM code or similar identifier to monitor battery health and charging strategy.
• Scan tool needed: Proper coding is typically done using an OBD‑II diagnostic tool with Audi/VW‑capable software (dealers and many independent specialists can do this).
• Adaptation after replacement: If coding is required and not done, the vehicle may still start, but charge management and battery life may be sub‑optimal.
• AGM requirement: Coding assumptions are based on AGM characteristics; switching to a non‑AGM flooded battery can cause mismatched charging behavior.

For many 2014 Q5s, sticking with the correct AGM technology and having the replacement coded (if your specific model requires it) helps maintain optimal battery performance and longevity.

Practical Guidance: Choosing the Right Battery Size

With the technical details in mind, selecting the correct battery for a 2014 Audi Q5 becomes a matter of confirming fit and ensuring the new unit meets or exceeds Audi’s original performance requirements, rather than chasing a single universal part number.

What “Size” Means Beyond Physical Dimensions

When drivers ask what size battery the 2014 Q5 uses, they usually mean both the physical format and the electrical capacity. For this model, these aspects are tightly linked, because the engine bay and electrical system were designed with a specific form factor and performance range.

The key “size” aspects to consider include:

• Form factor (Group 48 / H6): Ensures the battery fits the tray, uses the correct hold‑down, and aligns with the cable lengths.
• Ampere‑hour rating (Ah): Around 70–80 Ah from the factory, indicating how much energy the battery can store.
• Cold‑cranking amps (CCA): Typically around 680–800 CCA, showing how much current the battery can deliver at low temperatures for starting.
• AGM technology: Required for compatibility with the Q5’s energy management and electrical load profile.

Ensuring that all of these aspects align with factory specification is more important than simply matching one single number on the label.

Summary

The 2014 Audi Q5 generally uses a 12‑volt AGM battery in the Group 48 (H6) size, with a typical capacity of about 70–80 Ah and a cold‑cranking performance around 680–800 CCA, depending on engine, equipment, and market. While individual vehicles may have slightly different OEM ratings, they almost all share this same physical size and AGM technology requirement. Owners seeking a replacement should verify the existing battery’s label, confirm the Group 48/H6 form factor, choose an AGM battery that meets or exceeds the original Ah and CCA ratings, and, where applicable, ensure the new battery is properly coded into the vehicle’s energy‑management system.

How do I know my battery size?

You can check a battery’s size by looking for markings like mAh, Wh, or a BCI Group Size on the battery itself, in the device’s user manual, or by using online tools. For digital devices, you can often find the battery capacity in the device’s settings under an “About” or “Battery” section. For car batteries, the physical group size is printed on the battery’s label and is crucial for ensuring a correct fit in the car’s compartment. 
This video demonstrates how to find battery information on an Android phone: 58sWiz of AppsYouTube · Apr 3, 2024
For portable electronics

• Check the label: Look for markings like mAh (milliampere-hours) or Wh (watt-hours) printed on the battery itself. 
• Check the device settings: On many Android devices, you can find battery capacity in Settings > About phone > Battery or by searching for “battery information”. 
• Check the manual: The device’s user manual will list the battery capacity or type. 

For car batteries

• Check the battery label: Open the hood and look for the BCI Group Size printed on the label on top of the battery. This size is crucial for ensuring a physical fit in the car. 
• Check the owner’s manual: The owner’s manual will specify the correct BCI Group Size and other details like cold cranking amps (CCA). 
• Use online tools: Many auto parts stores offer online fitment finders where you can enter your car’s year, make, and model to find compatible batteries. 
• Measure it yourself: While less reliable than the BCI size, you can measure the length, width, and height of the battery itself and compare them to online charts to find a corresponding group size. 

This video demonstrates how to test a car battery using a multimeter: 59sClassic Car MaintenanceYouTube · May 31, 2024

What battery do I need for my Audi?

Your owner’s manual should tell you what Audi battery you need – or you can check it instantly by using our battery search tool at the top of this page. Our battery test technicians can also advise you. Whatever the answer, we’re likely to have you covered.

What kind of battery does a 2014 Audi Q5 take?

Duralast Group Size 49 H8 Battery H8-DL.

What size battery is in the 2014 Audi a5?

Duralast Gold Group Size 94R H7 Battery H7-DLG.