With cold months coming, automobiles often suffer, the most basic situation is to have troubles starting your Renault Laguna 2 early in the day with very low temperatures. Generally this is related to problems recharging the battery of your Renault Laguna 2 . There are several reasons that can show you why your battery does not recharge effectively 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 do this, first we will show you how recharging your car battery works, then the different problems of recharging a Renault Laguna 2, and at last how to recharge an empty car battery.

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How does recharging the battery of a Renault Laguna 2 function?

Before we detail the different complications of recharging the battery on a Renault Laguna 2 , we will show you to you how its recharging system works so that you can figure out the complications you are struggling with. A motor vehicle battery works like a phone battery, it will store energy to start your Renault Laguna 2 , turn on your headlights, play music, lower your power windows… Nevertheless all these actions will consume energy and it may deplete the energy reserve that your battery can store. To overcome this issue, the engineers have produced a component called the alternator , this component will use the energy created by the engine of your Renault Laguna 2 to produce energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, take into account that this process can just 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 Renault Laguna 2’s battery

We will now describe the different battery charging complications on a Renault Laguna 2 you may be victim of. If your battery is not recharging because there is necessarily a issue in your electrical installation, we will now see the different situations.

Battery charging problem on Renault Laguna 2: 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 , obviously, if you manage to recharge your battery with a charger and your Renault Laguna 2 to start, the problem obviously originates from your alternator which should not be able to produce any more current.

Battery charging issue on Renault Laguna 2: 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 Renault Laguna 2 but it switches off although you are driving and then does not start, the issue with recharging the battery of your Renault Laguna 2 is that your battery no longer holds the charge .

Battery charging issue on Renault Laguna 2: My battery is discharged nevertheless it is new

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

How to solve the issue of battery charging on Renault Laguna 2?

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

  • Defective alternator: You can try with basic mechanics to check it with a pressure gauge to see 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 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 just realistic solution. In truth, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
  • Ground in the electrical circuit: If you cannot start your Renault Laguna 2 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 check by a motor vehicle electrician is in such a case required.

How to recharge an empty battery of a Renault Laguna 2

Finally, to recharge the empty battery of a Renault Laguna 2 there are just few solutions, using a battery charger is the most efficient solution, you can locate some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will just provide the energy needed to begin.

If you wish more guides on the Renault Laguna 2, go to our Renault Laguna 2 category.