Varta A15 · Car battery 12V 40Ah 330A

Varta A15 Dynamic SLI (formerly Blue Dynamic) 40Ah 330A 12V Car Battery

The Varta A15 car battery is the 12 V, 40 Ah and 330 A cold cranking (EN) model from Varta's Dynamic SLI (formerly Blue Dynamic) range, designed for cars with conventional starting, without a Start-Stop system. It replaces the original battery in cars with the 187 × 127 × 227 mm format without any modifications: the same 40 Ah capacity and the same terminal layout (positive on the left).

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

Vehicles compatible with the Varta A15 battery

This battery is listed as compatible with more than 71 vehicles from manufacturers such as Suzuki, Toyota, Honda, Nissan, Geo and Uz-Daewoo. If you are looking for a battery for Suzuki or Toyota with these dimensions, the A15 is one of the usual replacement references. Added to that list are models from Reliant, Chevrolet, Daihatsu, Mitsubishi, Daewoo and Santana. 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 A15

In terms of format, the Varta A15 measures 187 × 127 × 227 mm (length × width × height) and weighs 10,2 kg. The positive terminal on the left 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 B00 hold-down and terminal 3, the system that secures it to the vehicle's battery tray. Checking the three dimensions and the terminal positions before buying avoids the most common mistake when replacing a battery.

The Varta A15 and the Dynamic SLI range

The Dynamic SLI range is Varta's conventional starting series for cars and vans without a Start-Stop system (identified by the blue label in Varta's new scheme; it replaces the former Blue, Black and Silver Dynamic). It uses lead-calcium technology with PowerFrame grids that reduce self-discharge and extend service life with no maintenance.

It is the balanced option in the catalogue: it covers most of the European fleet of conventional petrol and diesel vehicles, with ample cranking power and an excellent performance-to-price ratio.

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 Blue 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

When a workshop recommends Varta it is not down to marketing: it is one of the brands with the lowest return rates in the sector, with an application coverage that spans practically the whole European fleet, from the city car to the commercial vehicle.

Varta combines more than a century of experience with Clarios's industrial production: it is the battery many manufacturers choose as standard and one of the most recommended by workshops. Like every lead-acid battery, it is 100% recyclable.

Varta's production combines automated lines with verification of more than 100 parameters per unit; that traceability is what underpins its reputation for reliable starting throughout the battery's life.

Manufacturer's warranty

The Varta A15 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.