Battery VARTA A11 12V 45Ah 370A AGM
The VARTA A11 12V 45Ah 370A car battery has a clearly identified part number to help you choose the correct replacement. It uses AGM technology and measures 236 × 126 × 224 mm (length × width × height). Compare these details with the installed battery and the vehicle manufacturer's requirements before ordering.
AGM technology uses absorbed electrolyte and is intended for compatible vehicles requiring AGM, including Start-Stop systems and demanding electrical equipment. Retain AGM when the vehicle requires it; matching dimensions do not justify fitting a conventional or EFB battery.
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Varta A11 car starter battery
The Varta A11 Battery from the Dynamic AGM series has a capacity of 45Ah with a starting power of 370A. Its measurements are: 236x126x224 mm. It is a starting battery and is used in vehicles with advanced START-STOP systems with recharging with regenerative braking system.
A11 specifications
| Brand | Varta |
| Reference | A11 |
| Model | 545 902 037 |
| Volts | 12V |
| Capacity | 45 Ah |
| Startup | 370 A |
| Polarity | Positive Left |
| Length | 236 mm |
| Width | 126 mm |
| High | 224 mm |
| Weight | 13.18 Kg |
Varta Dynamic AGM batteries
The Varta A11 battery belongs to the range of VARTA Dynamic AGM batteries, designed for starting START-STOP vehicles, which start the engine many times in a single output. VARTA® Dynamic AGM batteries offer three times the endurance of conventional batteries. They deliver superior, exceptional performance for the most demanding passenger car power requirements.
They incorporate PowerFrame® grid technology, which provides maximum starting power, quick recharging and greater resistance to corrosion, extending their useful life.
They offer three times the useful life of conventional VARTA batteries®
Varta Dynamic AGM batteries are maintenance-free.
Choose the right replacement for your car
Before fitting the VARTA A11, check the 236 × 126 × 224 mm space, positive terminal position, connections and hold-down as well as the 45Ah capacity and 370A starting current. The same car model may require different batteries depending on engine, year and equipment. Fuel type or engine displacement alone does not establish compatibility.
Capacity and starting current are different ratings
The 45Ah rating is nominal capacity; 370A describes cold cranking current. When comparing 45Ah car batteries, check technology and dimensions too: similar or higher capacity does not automatically make a battery suitable.
Replacement, charging and maintenance
Vehicles with a battery management system may require battery registration or adaptation using diagnostic equipment after replacement. Use a charger suitable for the battery voltage and technology and follow the battery and vehicle instructions. Consult a qualified professional if the installation or configuration is uncertain.
Price, availability and online ordering
Check the VARTA A11 price, current availability and buying options on this page. The order total, delivery charges and available shipping options are confirmed in the basket before you place the order. Published product reviews can help you assess other buyers’ experiences, but they do not establish compatibility with your particular car.
Questions before buying
Which VARTA A11 battery am I buying?
Part number A11 identifies this 12V, 45Ah, 370A battery measuring 236 × 126 × 224 mm. Capacity and starting current are separate ratings.
Are matching dimensions enough?
No. Required technology, voltage, polarity, terminals and mounting must also match, with suitable electrical ratings. Do not downgrade an AGM or EFB technology required by the vehicle.
How do I check polarity?
Positive terminal on the left. Check the terminal positions on the actual battery and their orientation in the vehicle; do not rotate the battery to compensate for cables that do not reach.
Compare within the right category
Official VARTA information: VARTA A11