What battery fits the Cupra Born 77 E-boost?

Cupra Born 77 e-boost (231 hp, electric, from 2021) takes a 50 Ah, 550 A EFB battery (207 × 175 × 190 mm), with the positive terminal on the right. Compatible batteries offer 50 Ah, 540-550 A (CCA), 12 V, case H4/L1. Browse the compatible battery list below.

How many Ah does the Cupra Born 77 E-boost battery need?

The exact Ah rating for the Cupra Born 77 E-boost depends on the vehicle's original electrical consumers. Compatible batteries offer 50 Ah, 540-550 A (CCA), 12 V, case H4/L1. Use our finder for a precise recommendation.

What type of battery does my car need?

To find the exact battery you need, you need to know the make, model, and engine. If your car has a Start-Stop system (the engine shuts off at traffic lights), you need an AGM or EFB battery. An AGM battery can only be replaced with another AGM battery. However, an EFB battery can be replaced with either another EFB or an AGM battery, as the latter is superior.

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

The standard battery is the conventional type. The EFB battery withstands start/stop cycles better. The AGM battery is the most durable and is mandatory in cars with Start-Stop and regenerative braking. Never replace an AGM battery with an EFB or standard battery.

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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Cupra Born 77 e-boost

Batteries for Cupra Born 77 e-boost 231 hp (electric, from 2021)

Cupra · Born

Which battery does a Cupra Born 77 e-boost need?

Specifications and battery: 77 e-boost (231 hp)

Cupra Born 77 e-boost (231 hp, electric, from 2021) takes a 50 Ah, 550 A EFB battery (207 × 175 × 190 mm), with the positive terminal on the right.

Brand: Cupra
Model: Born (K11)
Built: 08/2021 - 2026
Power: 170 kW / 231 hp
Fuel: Electric
Body type: Hatchback
Drive: Rear-Wheel Drive
Engine codes: ECWA

Battery for this engine

Version	Technology	Capacity	Cold cranking (EN)	Size (L×W×H)	Polarity
Main	EFB	50 Ah	550 A	207 × 175 × 190 mm	+ on the right

This engine shares its battery with the 45 (150 hp), 58 (204 hp) and 58 e-boost (231 hp): the compatible batteries are exactly the same.

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

🔧 Battery Expert Advisor

Battery analysis for your Cupra Born 77 e-boost

Quick answer You need an EFB battery of 50 Ah. Our recommendation: VARTA N50.

VARTAN50

EFB50 Ah550 A207×175×190

€85.80

Buy

Prices and availability updated on 19/10/2026

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

📋 What we found

For your Cupra Born 77 e-boost we found 5 compatible batteries. This list includes 3 Start-Stop batteries and 2 auxiliary batteries.

⚡ Starter or auxiliary battery

We detected an auxiliary battery among the compatible ones. The auxiliary is NOT your main car battery: it is a smaller secondary battery that powers sensitive electronics. Don't mix them up when buying. Usually what fails is the starter battery (the main one), but the auxiliary can also fail. If your vehicle shows intermittent electronic errors but starts fine, it may be the auxiliary; if cranking is weak, it is usually the starter battery.

✓ Your Cupra Born 77 e-boost uses the Start-Stop system. Every battery shown is compatible — no conventional options to confuse you.

🔋 Technology (AGM / EFB)

Do you know whether your car's current battery is AGM or EFB?

Check the label on your battery: if it says "AGM" or "VRLA", it is AGM. If it says "EFB", it is EFB. If it says neither, it is most likely EFB — though on cars older than 2010 it may still be conventional. If in doubt, go for EFB: it fits both cases (an EFB in a non Start-Stop car works fine and lasts longer). The mistake to avoid is the opposite: never fit a conventional battery on a Start-Stop car.

Where do I check if my battery is AGM or EFB?

Can I fit an AGM if my car had EFB?

📊 View AGM vs EFB vs Conventional — full comparison

⭐ Our recommendation

Our main recommendation

For your Cupra Born 77 e-boost we recommend the VARTA N50 (EFB, 50 Ah). It's the battery recommended by the vehicle manufacturer for your Cupra Born 77 e-boost — the OEM equivalent. It also offers the highest capacity (Ah) and the highest cranking power (CCA) on the list — more headroom in cold starts and with many consumers. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.

Rated 5.0/5 by 1 verified customers.
Next-day delivery if you order before 6 PM.
The best value price among compatible options.

See this battery →

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Verified selection

Class: Car Batteries
Brand: Cupra
Model: Born
Engine: 77 e-boost

Order now with express shipping: your product ships tomorrow and arrives on Wednesday before 2 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 — Start-Stop requires AGM or EFB)
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.

3 products

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.

Compare the technologies available for your car

A higher technology withstands more charge and discharge cycles, according to manufacturers.

EFB Up to 2× more cycles than a conventional battery. Good for short trips and city driving. from €85.80 View VARTA N50
AGM Up to 3× more cycles than a conventional battery. The highest performance, ideal with lots of electrical equipment. from €118.90 +€33.10 View VARTA A9

Recommended
Start-Stop battery Varta N50 12V 50Ah 550A EFB
- 12 V
- 50 Ah
- 550 A
- EFB
Dimensions 207×175×190 mm
- ✓ OEM fitment
€85.80
Compare
🔥 Most popular
Start-Stop battery Varta A9 12V 50Ah 540A AGM
- 12 V
- 50 Ah
- 540 A
- AGM
Dimensions 207×175×190 mm

€118.90
Compare
Start-Stop battery Exide EL550 12V 55Ah 540A EFB
- 12 V
- 55 Ah
- 540 A
- EFB
Dimensions 207×175×190 mm

€96.10
Compare

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Start-Stop & high energy demand batteries	VARTA	N50	50 Ah	550 A	207×175×190 mm	EFB	€85.80	More info
Start-Stop & high energy demand batteries	VARTA	A9	50 Ah	540 A	207×175×190 mm	AGM	€118.90	More info
Start-Stop & high energy demand batteries	EXIDE	EL550	55 Ah	540 A	207×175×190 mm	EFB	€96.10	More info

Auxiliary Battery

Auxiliary battery for vehicles equipped with start-stop systems. It supports the main battery in functions such as engine start, the start-stop system, or additional electrical support.

2 products

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Auxiliary Battery	TUDOR	TK500	50 Ah	570 A	207×175×190 mm	AGM	€108.60	More info
Auxiliary Battery	EXIDE	EK500	50 Ah	570 A	207×175×190 mm	AGM	€108.60	More info

Complete your purchase

Chargers

Chargers for your battery

1 product

Battery charger ABSAAR Pro4.0 6/12V 4A Smart Charger
- 6 V
€50.60

Frequently asked questions

: Cupra Born 77 e-boost (231 hp, electric, from 2021) takes a 50 Ah, 550 A EFB battery (207 × 175 × 190 mm), with the positive terminal on the right. Compatible batteries offer 50 Ah, 540-550 A (CCA), 12 V, case H4/L1. Browse the compatible battery list below.
: The exact Ah rating for the Cupra Born 77 E-boost depends on the vehicle's original electrical consumers. Compatible batteries offer 50 Ah, 540-550 A (CCA), 12 V, case H4/L1. Use our finder for a precise recommendation.
: To find the exact battery you need, you need to know the make, model, and engine. If your car has a Start-Stop system (the engine shuts off at traffic lights), you need an AGM or EFB battery. An AGM battery can only be replaced with another AGM battery. However, an EFB battery can be replaced with either another EFB or an AGM battery, as the latter is superior.
: The standard battery is the conventional type. The EFB battery withstands start/stop cycles better. The AGM battery is the most durable and is mandatory in cars with Start-Stop and regenerative braking. Never replace an AGM battery with an EFB or standard battery.
: 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.
: 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.
: 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.
: In mainland Spain and Portugal delivery takes 24 working hours if you order before 6:00 pm and the battery is in stock; for the Balearic Islands and other EU destinations allow 2 to 5 days. Batteries are shipped fully charged and ready to install.

Guides

Batteries for Cupra Born 77 e-boost 231 hp (electric, from 2021)

Which battery does a Cupra Born 77 e-boost need?