# Porsche 911-Speedster battery: what each engine takes, with prices

> For the Porsche 911-Speedster (3 generations, 1992-2020) we carry 4 matching batteries, rated between 70 and 80 Ah with 680 to 800 A cold cranking. Prices open at 72.95 €, VAT included.

## Which battery does a Porsche 911-Speedster take?

It depends on the engine and on whether it has Start-Stop. The table shows the recommended battery for each Porsche 911-Speedster engine with its price, VAT included; with your number plate or VIN we tell you the exact one in seconds.

## Recommended battery for each Porsche 911-Speedster engine

| Engine | Generation | Recommended battery | Price | URL |
|---|---|---|---|---|
| 4.0 (991890, 991891) (375 kW / 510 CV) | 911 Speedster III (2018–2020) | Varta A7 Dynamic AGM 70Ah | 122,95 | https://baterias.com/gb/car-batteries/porsche/911-speedster-991/40-991890-991891-375-kw-510cv |
| 3.8 (997.720, 997.721) (300 kW / 408 CV) | 911 Speedster II (2010–2011) | Varta E44 Dynamic SLI 77Ah | 83,95 | https://baterias.com/gb/car-batteries/porsche/911-speedster-997/38-997720-997721-300-kw-408cv |
| 3.6 Carrera (184 kW / 250 CV) | 911 Speedster I (1992–1994) | Varta E11 Dynamic SLI 74Ah | 72,95 | https://baterias.com/gb/car-batteries/porsche/911-speedster-964/36-carrera-184-kw-250cv |

## Porsche 911-Speedster generations

Batteries change from one generation to the next. When two share a year, the body style — or simply the plate — settles it.

| Generation | Years | Body | Batteries | URL |
|---|---|---|---|---|
| 911 Speedster III | 2018–2020 | berlina | 2 | /gb/car-batteries/porsche/911-speedster-991 |
| 911 Speedster II | 2010–2011 | berlina | 2 | /gb/car-batteries/porsche/911-speedster-997 |
| 911 Speedster I | 1992–1994 | berlina | 3 | /gb/car-batteries/porsche/911-speedster-964 |

## Best-selling batteries for the Porsche 911-Speedster

| Modelo | V | Ah | CCA (EN) | Tech | € VAT incl. | Stock | URL |
|---|---|---|---|---|---|---|---|
| Car battery Varta E11 Dynamic SLI 12V 74Ah 680A | 12 | 74 | 680 | PLOMO/ACIDO | 72,95 | ✓ | https://baterias.com/gb/battery-varta-e11-12v-74ah-680a |
| Car battery Varta E44 Dynamic SLI 12V 77Ah 780A | 12 | 77 | 780 | PLOMO/ACIDO | 83,95 | ✓ | https://baterias.com/gb/battery-varta-e44-12v-77ah-780a |
| Start-Stop battery Varta A7 Dynamic AGM 12V 70Ah 760A AGM | 12 | 70 | 760 | AGM | 122,95 | ✓ | https://baterias.com/gb/battery-varta-a7-agm-12v-70ah-760a |
| Start-Stop battery Varta A6 Dynamic AGM 12V 80Ah 800A AGM | 12 | 80 | 800 | AGM | 160,45 | — | https://baterias.com/gb/battery-varta-a6-agm-12v-80ah-800a |

## How to know which battery your Porsche 911-Speedster takes

The real shortcut is your registration number. It settles generation, engine and factory battery in seconds — exactly where most people get it wrong when buying.

Prefer to do it manually? Check the date of first registration on your V5C and match it against the generation table above. When a year straddles two generations, the body style decides it: five-door hatch, estate or coupé.

One last check: the label on the fitted battery gives you the reference capacity and cold cranking. Match or improve those numbers, and make sure the case size and polarity suit your battery tray.

## Start-Stop: which battery your 911-Speedster needs

Start-Stop on the modern 911-Speedster changes the rules: the battery takes hundreds of micro-cycles daily. The correct answer is EFB for basic systems and AGM where braking energy is recovered. Dropping to a conventional battery is the most expensive mistake you can make here.

## Frequently asked questions

### Which battery does a Porsche 911-Speedster take?
It depends on the generation and engine: there are 4 compatible batteries in total, from 70 to 80 Ah and 680 to 800 A of cold cranking. The best sellers for this model are Car battery Varta E11 Dynamic SLI 12V 74Ah 680A, Car battery Varta E44 Dynamic SLI 12V 77Ah 780A, Start-Stop battery Varta A7 Dynamic AGM 12V 70Ah 760A AGM. With your plate we tell you the exact one in seconds.

### How much does a Porsche 911-Speedster battery cost?
Between 72.95 € and 160.45 €, VAT included, depending on capacity and technology (AGM, lead-acid). Start-Stop versions (AGM or EFB) sit at the top of the range because they withstand many more cycles.

### How do I know which generation my 911-Speedster is?
By the registration year: 911 Speedster III (2018-2020); 911 Speedster II (2010-2011); 911 Speedster I (1992-1994). If your year falls in the overlap between two generations, tell them apart by body type (hatchback, estate or coupé) or use the plate finder, which settles it with no doubt.

### Can I fit a higher-capacity battery to my Porsche 911-Speedster?
Yes, as long as the dimensions fit the tray and the terminal layout matches. More Ah and more cold-cranking amps do not harm the Porsche 911-Speedster: the alternator charges it just the same and you gain margin in winter. Never go below the original values.

### How quickly can I get a battery for my Porsche 911-Speedster?
Standard delivery to mainland Spain and Portugal takes 1-2 working days; other EU countries 1-5 working days. Each product page shows the exact lead time and whether express delivery is available.

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Updated: 2026-11-15 · https://baterias.com/gb/car-batteries/porsche/911-speedster