With cold months coming, cars often suffer, the most basic situation is to have troubles starting your Audi E-Tron in the morning with very low temperatures. In general this is related to problems recharging the battery of your Audi E-Tron . There are some reasons that can show you why your battery does not recharge properly anymore, and in this article we will try to help you to solve this issue that can prevent you from using your motor vehicle. To accomplish this, first we will show you how recharging your car battery works, then the different problems of recharging a Audi E-Tron, and at last how to recharge an empty car battery.

charging-problem-battery-audi-e-tron

How does recharging the battery of a Audi E-Tron function?

Before we detail the different problems of recharging the battery on a Audi E-Tron , we will show you to you how its recharging system operates so that you can discover the problems you are struggling with. A motor vehicle battery works like a phone battery, it will store energy to start your Audi E-Tron , turn on your headlights, play music, lower your power windows… However all these actions will consume energy and it may deplete the energy reserve that your battery can store. To get over this issue, the engineers have produced a element called the alternator , this element will use the energy developed by the engine of your Audi E-Tron to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . However, take into account that this process can only work when your motor vehicle is running, using electrical elements of your motor vehicle when it is stopped will decrease 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 E-Tron’s battery

We will now describe the different battery charging problems on a Audi E-Tron you may be victim of. If your battery is not recharging because there is actually a issue in your electrical installation, we will now see the different cases.

Battery charging problem on Audi E-Tron: My battery is discharging even if I am recharging it with a specific charger

In this first case, it is quite possible that your alternator is dead , obviously, if you control to recharge your battery with a charger and your Audi E-Tron to start, the problem obviously comes from your alternator which should not be able to generate any more current.

Battery charging issue on Audi E-Tron: 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 managed to start your Audi E-Tron but it switches off although you are driving and then does not start, the problem with recharging the battery of your Audi E-Tron is that your battery no longer holds the charge .

Battery charging issue on Audi E-Tron: My battery is discharged although it is new

.
If you’ve just bought a battery and it discharges although you’re driving, the issue most likely comes from your alternator. It cannot result 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 issue of battery charging on Audi E-Tron?

We will now give you the solutions according to the issue you are struggling with. Here are the different problems and their solutions:

  • Faulty alternator: You can try with simple mechanics to verify it with a pressure gauge to find out if it’s producing power. If it doesn’t, replacing it is the best solution, depending on your motor you will pay a few hundred euros. This repair 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 solution. In 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 depending on your engine.
  • Ground in the electrical circuit: If you cannot start your Audi E-Tron 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 such a case necessary.

How to recharge an empty battery of a Audi E-Tron

Finally, to recharge the empty battery of a Audi E-Tron there are only few solutions, using a battery charger is the most efficient solution, you can discover 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 begin.

If you want more guides on the Audi E-Tron, go to our Audi E-Tron category.