Can I install a higher capacity battery in my Mazda 3 2.0?

Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Mazda 3 2.0 battery compartment and the positive terminal position matches.

What battery fits the Mazda 3 2.0?

The Mazda 3 2.0 requires a battery with the correct capacity (Ah) and Cold Cranking Amps (CCA) for this engine. Compatible batteries offer 65 Ah, 650 A (CCA), 12 V, case D23, conventional flooded technology. Browse the compatible battery list below.

How many Ah does the Mazda 3 2.0 battery need?

The exact Ah rating for the Mazda 3 2.0 depends on the vehicle's original electrical consumers. Compatible batteries offer 65 Ah, 650 A (CCA), 12 V, case D23, conventional flooded technology. Use our finder for a precise recommendation.

How long does a battery last in a Mazda 3 2.0?

With normal use, a battery for the Mazda 3 2.0 lasts 3–5 years. A healthy alternator and avoiding deep discharges significantly extend battery life.

What type of battery does my car need?

You need the make, model and engine. If your car has Start-Stop (the engine switches off at traffic lights), it needs an EFB or an AGM battery, depending on what it came with: if it has an AGM, fit another AGM; if it has an EFB, another EFB or an AGM. On cars with battery management (BMW, Mercedes, VAG group…), moving from EFB to AGM requires coding the new battery. Without Start-Stop, a conventional battery is fine, or an EFB or AGM if you want a longer life.

What is the difference between AGM, EFB and standard batteries?

A conventional (lead-acid) battery is for cars without Start-Stop. An EFB is a reinforced conventional battery for basic Start-Stop. An AGM offers the highest performance and is fitted as standard on cars with advanced Start-Stop, regenerative braking or high electrical demand. Replacement rule: an AGM only with another AGM; an EFB with another EFB or an AGM; a conventional battery with any of the three. Never move down in technology.

How do I find the right battery for my vehicle?

Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.

What warranty do the batteries have?

All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.

How long does it take for the battery to arrive?

Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.

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Mazda 3 2.0

Batteries for Mazda 3 2.0 120 hp (petrol, 2013-2019)

Mazda · 3

Which battery does a Mazda 3 2.0 need?

Specifications and battery: 2.0 (120 hp)

Battery for Mazda 3 2.0 (120 hp, petrol, 2013-2019): a 65 Ah, 650 A EFB battery (232 × 173 × 225 mm), with the positive terminal on the right. Without Start-Stop a conventional battery is enough; an EFB or AGM of the same size is an optional upgrade. (PEY7, PEY5, PEXL)

Recommended battery for this engine Start-Stop battery Varta N65 12V 65Ah 650A EFB €110.80 incl. VAT

View battery →

Brand: Mazda
Model: 3 (BM, BN)
Built: 09/2013 - 05/2019
Power: 88 kW / 120 hp
Fuel: Petrol
Engine size: 1,998 cc (2 L)
Cylinders: 4
Body type: Hatchback
Drive: Front-Wheel Drive
Engine codes: PEY7, PEY5, PEXL
Start-Stop battery: Not required

Battery for this engine

Version	Technology	Capacity	Cold cranking (EN)	Size (L×W×H)	Polarity
Main	EFB	65 Ah	650 A	232 × 173 × 225 mm	+ on the right

This engine shares its battery with the 1.5 (100 hp) and 2.0 (165 hp): the compatible batteries are exactly the same.

Data: vehicle specifications and the battery manufacturer's application catalogue.

EFB, AGM or conventional for this engine?

Rule of thumb for the Mazda 3 2.0: fit the same technology as the original or better (conventional → EFB → AGM), with equal or higher capacity and cold cranking amps, and respect the size and terminal position of around 65 Ah.

🔧 Battery Expert Advisor

Battery analysis for your Mazda 3 2.0

Quick answer You need an EFB battery of 65 Ah. Our recommendation: VARTA N65.

VARTAN65

EFB65 Ah650 A232×173×225

€110.80

Buy

Prices and availability updated on 30/10/2026

Based on the batteries we found for your vehicle, our experts help you pick the right one.

📋 What we found

For your Mazda 3 2.0 we found 1 compatible Start-Stop battery.

⚡ Battery type for your vehicle

Your Mazda 3 2.0 has no Start-Stop, but the manufacturer fits an AGM or EFB battery as standard because the charging system requires it. Choose one with the same technology.

🔋 Technology (AGM / EFB)

✓ All Start-Stop batteries in the list are EFB. They fit your car if the factory battery was EFB. If your current battery was AGM, check with us before buying: EFB cannot replace AGM.

📊 View AGM vs EFB vs Conventional — full comparison

⭐ Our recommendation

Our recommendation

For your Mazda 3 2.0 it's the recommended battery: VARTA N65. Its specs: EFB technology, 65 Ah capacity, 650 CCA cranking power, 232×173×225 mm dimensions.

See this battery →

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Verified selection

Class: Car Batteries
Brand: Mazda
Model: 3
Engine: 2.0

Order now with express shipping: your product ships on Monday and arrives on Tuesday before 5 PM (Spain mainland and Portugal only).

Before you buy: check 3 key points

Although the batteries shown are sourced from information provided by manufacturers, we recommend checking on your current battery:

Dimensions (length × width × height, including terminals and protrusions)
The dimensions shown are the maximum of the battery and include the height of the terminals, small ridges at the base and any lateral protrusions. Measure your current battery completely, from edge to edge. The new one must be the same size or slightly smaller — never larger, it would not fit in the housing.
Positive terminal (left or right viewed from the front — check the battery photo carefully)
Stand facing the battery, with the manufacturer's label facing you and the terminals on top. Locate the terminal marked with +: if it is on your right, it is "positive right"; if it is on your left, it is "positive left". Do not rely on how the battery is mounted in the car — the position is always measured looking only at the battery itself.
Technology (AGM, EFB or conventional — the same as your current battery or higher)
Depending on the manufacturer, the same technology may be labelled differently: AGM may also appear as VRLA, AGM Start-Stop or AGM Deep Cycle. EFB may appear as EF, EFB+ or Enhanced Flooded Battery. Conventional may appear as SLI, Lead-Acid, Wet or Standard. If your vehicle has Start-Stop, the battery must be AGM or EFB — never conventional.

If you have any questions, just ask us and we'll be glad to advise you with no obligation.

Start-Stop & high energy demand batteries

AGM or EFB battery for start-stop vehicles and for cars with high energy demand (many electrical consumers, frequent starts). More charge cycles, better charge recovery and longer service life.

1 product

This engine comes with an AGM/EFB battery as standard: the car's charging system requires it even without Start-Stop. If in doubt, message us and we will confirm.

Recommended
Start-Stop battery Varta N65 12V 65Ah 650A EFB
- 12 V
- 65 Ah
- 650 A
- EFB
Dimensions 232×173×225 mm
- ✓ OEM fitment
€110.80
Compare

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Start-Stop & high energy demand batteries	VARTA	N65	65 Ah	650 A	232×173×225 mm	EFB	€110.80	More info

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