With winter weather coming, automobiles often suffer, the most basic scenario is to have troubles starting your Audi A2 early in the day with very low temperatures. Generally this is associated with problems recharging the battery of your Audi A2 . There are some reasons that can explain why your battery does not recharge effectively anymore, and in this article we will try to help you to solve this problem that can prevent you from using your motor vehicle. To get this done, first we will explain how recharging your car battery works, then the different problems of recharging a Audi A2, and at last how to recharge an empty car battery.

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How does recharging the battery of a Audi A2 function?

Before we describe the different problems of recharging the battery on a Audi A2 , we will explain to you how its recharging system operates so that you can figure out the problems you are facing. A motor vehicle battery works like a phone battery, it will store energy to start your Audi A2 , turn on your headlights, play music, lower your power windows… Nevertheless all these actions will consume energy and it might deplete the energy reserve that your battery can store. To get over this problem, the engineers have produced a component called the alternator , this component will use the energy produced by the engine of your Audi A2 to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, bear in mind that this process can only work when your motor vehicle is running, using electrical elements of your motor vehicle when it is stopped will drain the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.

Problems recharging a Audi A2’s battery

We will now describe the different battery charging problems on a Audi A2 you may be victim of. If your battery is not recharging because there is necessarily a problem in your electrical installation, we will now see the different situations.

Battery charging problem on Audi A2: My battery is discharging even if I am recharging it with a particular charger

In this first circumstance, it is quite possible that your alternator is dead , indeed, if you control to recharge your battery with a charger and your Audi A2 to start, the problem most certainly originates from your alternator which should not be able to generate any more current.

Battery charging problem on Audi A2: My motor vehicle shuts off and does not start even if I have charged the battery

If you have recharged your battery and you have been able to start your Audi A2 but it switches off although you are driving and then does not start, the trouble with recharging the battery of your Audi A2 is that your battery no longer holds the charge .

Battery charging problem on Audi A2: My battery is discharged although it is new

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If you’ve just bought a battery and it discharges although you’re driving, the problem most likely originates from your alternator. It cannot originate from your battery, which is new and consequently holds the charge. The second possibility is that you have a ground somewhere in your electrical system.

How to solve the problem of battery charging on Audi A2?

We will now give you the solutions according to the problem you are facing. Here are the different problems and their solutions:

  • Defective alternator: You can try with simple mechanics to verify it with a pressure gauge to see if it’s producing power. If it doesn’t, replacing it is the best remedy, based on your motor you will pay a few hundred euros. This fix is feasible in case your alternator is accessible.
  • Battery that no longer holds the charge: In this case, the purchase of a new battery is the only realistic remedy. In actual fact, if you have already recharged it but it is still empty because it is good to be changed, count between 60 and 100 euros based on your engine.
  • Ground in the electrical circuit: If you cannot start your Audi A2 but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a verify by a motor vehicle electrician is in this case required.

How to recharge an empty battery of a Audi A2

At last, to recharge the empty battery of a Audi A2 there are only few solutions, using a battery charger is the most efficient remedy, you can find some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will only provide the energy needed to start.

To find more tips on the Audi A2, take a look at the Audi A2 category.