Varta A17 · Car battery 12V 41Ah 360A

Varta A17 Dynamic SLI (formerly Black Dynamic) 41Ah 360A 12V Car Battery

The Varta A17 car battery is the 12 V, 41 Ah and 360 A cold cranking (EN) model from Varta's Dynamic SLI (formerly Black Dynamic) range, designed for cars with conventional starting, without a Start-Stop system. Measuring 207 × 175 × 175 mm and with the positive terminal on the right, it is the direct replacement for cars fitted from the factory with a 41 Ah battery in this format.

In short: the Varta A17 (41 Ah, 360 A, 207 × 175 × 175 mm, positive terminal on the right). It is a conventional battery for cars without Start-Stop: if yours has Start-Stop, it needs an EFB or AGM battery of the same size. Verified equivalent alternatives: Varta C6 and Varta B18.

• Maintenance-free lead-acid technology: no need to top up with water.
• Long service life with normal use and a charging system in good order.
• Reliable cold starting thanks to its high cranking current.
• Direct replacement for the original battery in cars without Start-Stop.

Vehicles compatible with the Varta A17 battery

This battery is listed as compatible with more than 113 vehicles from manufacturers such as Ford, Renault, Volkswagen, Opel, Vauxhall and Rover. For anyone who needs to change the battery in their Ford or Renault, this Varta A17 reproduces the original specifications. The compatibility list also includes models from Westfield, Seat, Innocenti, DAF, Austin, Mazda, Skoda and Peugeot. 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 A17

The Varta A17 is made in the 207 × 175 × 175 mm format and weighs 10,9 kg. The positive terminal on the right determines which side the cables end up on: it is the detail that causes the most purchasing mistakes, so it is worth checking before ordering. It uses a B13 hold-down and terminal 1, the system that secures it to the vehicle's battery tray. For the replacement to be a direct fit, the space taken by your current battery must respect those three dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

The Varta A17 and the Dynamic SLI range

The Dynamic SLI series (blue label) is Varta's lead-acid line for cars with conventional starting, without Start-Stop. It succeeds the Blue, Silver and Black Dynamic ranges and retains the calcium-silver grid technology that guarantees low self-discharge and reliable cold starting, with no maintenance required.

Designed for the bulk of the car and van fleet, it offers Varta's classic balance between cranking power and durability at a keen price: the logical replacement for the original battery in a car without Start-Stop.

This series uses lead-acid technology with plates optimised for a good balance between cranking power and service life. It is the natural substitute when your car does not have Start-Stop and came with a standard battery as original equipment: the same philosophy, without paying over the odds for a chemistry you do not need. This battery used to belong to Varta's Black Dynamic, Silver Dynamic or Black Dynamic range; following the brand's commercial renaming (2025), it forms part of the new Dynamic SLI series.

Why choose a Varta battery

Varta is a byword for reliability: original equipment in numerous European vehicles and one of the most proven brands on the market. Replacing your battery with a Varta restores OEM quality — the same performance as the factory-fitted unit — with the manufacturer's backing.

Varta batteries are made under the Clarios group with German technology and quality controls that make them one of the best-selling choices in Europe. As a lead battery, it is 100% recyclable through any collection point.

More than 100 manufacturing parameters are checked on every Varta battery before it leaves the plant, a level of rigour that explains why so many workshops and manufacturers trust the brand as their first-choice replacement.

Manufacturer's warranty

The Varta A17 battery comes with the official manufacturer warranty.

Care and maintenance

To get the most out of it, keep the alternator in good order and avoid leaving lights or accessories on with the engine switched off. Repeated very short journeys are its main enemy: they stop the battery from recharging fully and shorten its life. If the car is going to stand unused for weeks, it is worth disconnecting a terminal or using a trickle charger so it does not discharge below the safe threshold. Checking that the terminals are clean and properly tightened also helps ensure reliable starting.