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Varta A6 · Start-Stop battery 12V 80Ah 800A AGM
Specifications
| Brand | VARTA |
|---|---|
| Part number | A6 |
| Voltage (V) | 12 |
| Capacity (C20) | 80Ah (c20) |
| Technology | AGM |
| Length | 315.00 mm |
| Width | 175.00 mm |
| Height | 190.00 mm |
| Weight | 22.76 Kgs |
€147.30
VAT included
4,85/5★★★★★124 reviewsVerified purchases
- ★★★★★Iñaki R.:
Montada en un Astra K 1.6 cdti 136 CV. La he cambiado de forma preventiva, el coche tenía la de origen con 7 años y aunque no da síntomas…
- ★★★★★Fernando A.:
Sin fallos ni problemas hasta el momento. Justo lo que necesitaba.
- ★★★★★Francisco D.:
Serios, rápidos y efectivos.
Varta A6 12V 80Ah 800A is a battery designed specifically for Start-Stop vehicles. Withstands up to 3× more start cycles than a conventional battery and maintains performance with BMS and regenerative braking systems.
Why this Start-Stop battery?
- Designed for Start-Stopbuilt for the intensive cycling of modern cars
- 2 to 3 times longer lifevs fitting a cheap conventional battery
- Fast recoveryrecharges in minutes once the engine is running
Voltage
12 V
Capacity
80 Ah
Cold cranking
800 A
Dimensions
315×175×190 mm
Technology
AGM
Polarity
Positive on the right
Weight
22,56 kg
Model
Dynamic AGM
Varta A6 Dynamic AGM (formerly Silver Dynamic AGM) 80Ah 800A 12V Car Battery
12VVoltage
80AhCapacity
800ACold cranking
22.76kgWeight
The Varta A6 car battery is the 12 V, 80 Ah model delivering 800 A of cold cranking power (EN), from Varta's Dynamic AGM (formerly Silver Dynamic AGM) range, designed for cars with a Start-Stop system and high electrical demand. Measuring 315 × 175 × 190 mm and with the positive terminal on the right, it is the direct replacement for cars fitted from the factory with an 80 Ah battery in this format.
- Keeps the vehicle's electronic management correctly calibrated.
- Built for the intensive cycling of the Start-Stop system.
- A greater guaranteed number of starts than a conventional battery.
- Reinforced resistance to the partial charges and discharges of daily driving.
Vehicles compatible with the Varta A6 battery
This battery is listed as compatible with more than 416 vehicles from manufacturers such as Ford, Mercedes-Benz, BMW, Audi, Opel and Volvo. It is a go-to choice when you need a battery for a Ford, a Mercedes-Benz or other models built around this same format. It also appears as a replacement in vehicles from Vauxhall, Hyundai, Volkswagen, Chevrolet, Renault, MINI, Dodge and Jaguar, among other manufacturers. In our database it is listed as approved against 108 original-equipment references, which gives an idea of its real coverage of the vehicle fleet. Not sure whether it is the right one for your car? Check in seconds by entering your registration number in our finder.
Format and fitting of the Varta A6
In terms of format, the Varta A6 measures 315 × 175 × 190 mm (length × width × height) and weighs 22.76 kg. The positive terminal on the right determines which side the cables sit on: it is the detail that causes the most buying mistakes, so it is worth checking before you order. It uses a B13 hold-down and a type 1 terminal, the system that anchors it to the vehicle's battery tray. For the swap to be direct, the space your current battery occupies must match those three dimensions and the same terminal layout; otherwise you will need adapters or the hold-down will have to change.
The Varta A6 and the Dynamic AGM range
The Dynamic AGM range (gold label) is Varta's top of the range for cars: AGM technology, with the electrolyte absorbed in glass fibre, designed for the most advanced Start-Stop systems and for braking energy recovery.
It withstands thousands of charge and discharge cycles without losing performance and is the only correct choice when the car came with AGM from new. Ideal for vehicles with high electrical consumption and very frequent starts.
The difference from a conventional battery lies in the construction: separators and plates built for thousands of partial charge and discharge cycles. Fitting a standard battery to a car with Start-Stop shortens its life dramatically; this range avoids that mistake and keeps the fuel-saving system working. This battery used to belong to Varta's Silver Dynamic AGM range; following the brand's change of commercial naming (2025), it now forms part of the new Dynamic AGM series.
Why choose a Varta battery
Manufactured by Clarios to German standards, Varta is one of the world's benchmark brands in starter batteries and an OEM supplier to the leading car makers. Choosing it as a replacement guarantees specifications equal to or better than the originals.
Behind Varta is Clarios, one of the largest manufacturers of starter batteries in the world and a supplier to the assembly lines of numerous car brands. That German engineering heritage translates into reliable starting year after year.
Varta is Europe's leading manufacturer of starter batteries: its production volume and quality controls guarantee consistent reliability batch after batch, something own-brand labels cannot always promise.
Manufacturer's warranty
The Varta A6 battery comes with the official manufacturer warranty.
Care and maintenance
In a vehicle with Start-Stop the battery works much harder, so make journeys long enough for it to recharge and always replace it with the same type (AGM for AGM, EFB for EFB) so the electronic management is not thrown out of calibration. To get the best from it, avoid very short trips, which prevent it from recharging after each start. Keeping the terminals clean and the battery securely mounted prevents faults caused by vibration in the engine bay.
Technical sheet
Download the official technical sheet for this battery with all the manufacturer data.
BCOM-VARTA-A6
Data sheet
- Brand
- VARTA
- Reference
- A6
- Model
- Varta Dynamic AGM
- Voltage (V)
- 12
- Length
- 315.00 mm
- Width
- 175.00 mm
- Height
- 190.00 mm
- Weight
- 22.76 Kgs
- Technology
- AGM
- EAN
- 4016987167243
- Terminal layout
- Positive terminal on the right
- Terminal type
- 1
- Hold-down
- B13
- Cold cranking amps (EN)
- 800A
- Capacity (C20)
- 80Ah (c20)
- ETN
- 580901080D852
Specific References
- EAN13
- 4016987167243
- MPN
- A6
4,85/5
Verified purchasesLatest verified reviews
★★★★★Iñaki R.Verified purchase
28/09/2026Perfecta.
Montada en un Astra K 1.6 cdti 136 CV. La he cambiado de forma preventiva, el coche tenía la de origen con 7 años y aunque no da síntomas de fallo, por la importancia que le doy a la fiabilidad del coche la he cambiado ya. La varta A6 es la misma que lleva de origen así que he repetido. No hace falta codificar la nueva como en otras marcas de coches. Hace ya 10 meses del cambio y sin ningún problema. Decir que la batería comprada estaba recién fabricada, nada de stock viejo o cosas así. El precio, porte incluido, de lo mejor que he encontrado también, mucho más competitivo que el taller y que las tiendas físicas que tengo cerca. Cuando vuelva a tocar el cambio dentro de muchos años espero repetiré.
★★★★★Fernando A.Verified purchase
24/09/2026Lo que necesitaba
Sin fallos ni problemas hasta el momento. Justo lo que necesitaba.
★★★★★Francisco D.Verified purchase
10/09/2026Buena calidad.
Serios, rápidos y efectivos.
★★★★★Daniel C.Verified purchase
10/09/2026Increíble
Excelente calidad de producto y servicio
La monte en un Audi Q5 con star/stop y encajo como un guante, funciona a la perfección, tanto en frío como en ambientes cálidos.
★★★★★João Rocha
03/07/2026Excelente
Serviço excelente, para uma bateria top.
★★★★★Josep NUIX Niubo
13/05/2026Jubilado
la compra bien perfecta asesoramiento okey…
★★★★★CustomerVerified purchase
30/04/2026Bateria A6
Além de estarmos muito satisfeitos com a bateria, o que mais nos surpreendeu pela positiva foi a qualidade e profissionalismo dos serviços da baterias.com.
★★★★★CustomerVerified purchase
06/12/2025GRAN SERVICIO, CALIDAD PRECIO Y RAPIDEZ
fantástico precio, servicio, rapidez y atención. Comprada el lunes a las 5 de la tarde y recibida el martes a la 10,30 de la mañana. Inmejorable
Gracias y enhorabuena
★★★★★CustomerVerified purchase
06/12/2025GRAN SERVICIO, CALIDAD PRECIO Y RAPIDEZ
Compre una batería Varta A6 80 Ah 800A AGM, a un precio excepcional y calidad mejor, pedida el lunes a las 17,00 recibida el martes a las 10,30 de la mañana. Inmejorable
Enhorabuena y Gracias
Codes and references Varta A6
| Brand | Varta · see all batteries Varta |
|---|---|
| Manufacturer range | Dynamic AGM (formerly Silver Dynamic AGM) |
| Manufacturer reference (MPN) | A6 |
| ETN code | 580901080D852 |
| EAN-13 barcode | 4016987167243 |
| European case size (EN 50342-2) | L4 |
| Dimensions (length × width × height) | 315 × 175 × 190 mm (315x175x190) |
Comparison: Varta A6 vs equivalents
The Varta A6 is interchangeable with these equivalent references: TK820 (Tudor), TL800 (Tudor), N80 (Varta), EK820 (Exide), EL800 (Exide).
| Product | Specifications | Technology | Price |
|---|---|---|---|
Varta
A6
This battery
|
12V 80Ah 800A | AGM | €147.30 |
Tudor
TK820
|
12V 82Ah 800A | AGM | €121.30 |
Tudor
TL800
|
12V 80Ah 800A | EFB | €96.30 |
Varta
N80
|
12V 80Ah 800A | EFB | €126.30 |
Exide
EK820
|
12V 82Ah 800A | AGM | €119.20 |
Exide
EL800
|
12V 80Ah 800A | EFB | €89.90 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
Recommended accessories
Compatible vehicles
The Varta A6 fits 420 vehicles. Most searched below:
MERCEDES-BENZE-CLASS (W212)2009FORDTRANSIT V363 Platform/Chassis (FED, FFD)2013FORDTRANSIT V363 Van (FCD, FDD)2013AUDIA4 B8 (8K2)2007MERCEDES-BENZC-CLASS (W205)2013AUDIA6 C6 (4F2)2004BMW3 (F30, F80)2011BMW3 Touring (F31)2012HYUNDAITUCSON (TL, TLE)2015
See all 420 compatible vehicles 
How to change the battery
Step-by-step guide to replace your car battery in 15-30 minutes (longer if the battery is under the seat or in the boot) without losing vehicle settings.
Step 1. Prepare the vehicle
Park on a flat surface, switch off the engine and remove the key. Make sure all lights and electrical accessories are off. Wait 1-2 minutes before starting.
Step 2. Locate the battery
Open the bonnet. The battery is usually in the engine bay, but in many modern cars it may be in the boot or under the passenger seat. Check the manual if you cannot find it.
Step 3. Disconnect the negative (−) terminal
Use the 10 mm wrench to loosen the negative cable nut (black, marked −) and remove the cable from the post. Move it aside so it cannot touch any bodywork.
Step 4. Disconnect the positive (+) terminal
Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.
Step 5. Remove the old battery
Loosen the bottom hold-down clamp with the same wrench. Lift the battery carefully (it can weigh 15-25 kg). Clean the tray with a brush and baking soda if there is corrosion.
Step 6. Install the new battery
Place the battery in the same orientation as the old one (positive terminal on the same side). Tighten the hold-down clamp firmly.
Step 7. Connect the cables
Connect the positive (+) terminal first, then the negative (−). Tighten the nuts with the wrench until each terminal does not move. Apply anti-spark grease if you have any.
Step 8. Verify the engine starts
Close the bonnet. Start the engine to confirm everything works. On cars with Start-Stop or a BMS, you may need to register the battery via OBD so the alternator applies the correct charging profile.
Frequently asked questions
Is the A6 model AGM? What does this technology offer?
Yes. The A6 from Varta uses AGM (Absorbent Glass Mat) technology: a sealed lead-acid battery where the electrolyte is absorbed in a glass-fibre mat. It withstands more charge/discharge cycles than a conventional one, handles heat better and is the required technology for cars with advanced Start-Stop and regenerative braking. Expected lifespan: 5-8 years under normal conditions.
Is the Varta A6 battery suitable for Start-Stop?
Yes. As AGM technology it is designed for Start-Stop vehicles. AGM batteries support advanced Start-Stop and regenerative braking thanks to their higher cycle count. EFB is recommended for basic Start-Stop; AGM is recommended when regenerative braking is also present, thanks to its higher cycle capability. It works straight out of the box — on most modern vehicles registering the battery via OBD is recommended so the alternator automatically applies the optimal charging profile.
How is the Varta A6 battery installed in the vehicle?
In most cars it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On cars with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.
How many years does this battery last?
Expected lifespan of the Varta A6 is 5 to 8 years in mild-climate car use with Start-Stop. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.
What are the dimensions of the Varta A6 battery?
Dimensions (length × width × height) are 315×175×190 mm — also written as 315x175x190 mm and correspond to the European L4 case size — following the European DIN standard. Always measure the space in your car before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.
Is the A6 valid for my vehicle?
Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The A6 fits 420 verified vehicle versions in our database.
Which batteries are equivalent to the Varta A6?
Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop cars. See the "Equivalents" section to view recommended options at the same performance level.
What advantages does the Varta A6 AGM battery offer over an EFB?
AGM (Absorbent Glass Mat) technology uses absorbent fibreglass that retains the electrolyte, eliminating leaks and allowing up to 3× more charge/discharge cycles than a conventional battery. It is the recommended option when the car has advanced Start-Stop with regenerative braking (BMW EfficientDynamics, Mercedes Eco, Audi MHEV, Land Rover ECO, Volvo i-Stop). Withstands tilted positions, high vibration and extreme temperatures better than EFB. The Varta A6 is fully original and meets European EN 50342-6 standards for advanced Start-Stop.
Will my car recognise the new battery automatically?
On most cars it is not strictly necessary — the alternator detects the new battery and adapts the charge automatically. It is recommended to register the battery via OBD so that the alternator applies the optimal charging profile from the first minute and extends the battery life as much as possible (especially on brands with sophisticated BMS: BMW, Mercedes, Audi, Volvo, Land Rover). Any workshop with an OBD scanner (~10-15 € labour) does it in 5 minutes. DIY apps: VCDS / Carista (VAG), Bimmercode (BMW), iCarsoft. If you do not register, the car will still start correctly — the alternator just takes a few days to adjust the profile. The Varta A6 ships factory-charged at 80-90% so you can use it straight after fitting.
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