With winter weather coming, automobiles often suffer, the most common situation is to have difficulties starting your Renault Megane early in the day with very low temperatures. Generally speaking this is associated with problems recharging the battery of your Renault Megane . There are several reasons that can show you why your battery does not recharge effectively anymore, and today we will try to help you to resolve this problem that can prevent you from using your car. To get this done, first we will show you how recharging your car battery works, then the different problems of recharging a Renault Megane, and at last how to recharge an empty car battery.
How does recharging the battery of a Renault Megane work?
Before we describe the different problems of recharging the battery on a Renault Megane , we will show you to you how its recharging system operates so that you can discover the problems you are struggling with. A car battery works like a phone battery, it will store energy to start your Renault Megane , turn on your headlights, listen to music, lower your power windows… Nevertheless all these actions will consume energy and it may possibly deplete the energy reserve that your battery can store. To get over this problem, the engineers have designed a component called the alternator , this component will use the energy created by the engine of your Renault Megane to create energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . Nevertheless, take into account that this process can just work when your car is running, using electrical elements of your car when it is stopped will decrease the energy reserve of your car. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a Renault Megane’s battery
We will now describe the different battery charging problems on a Renault Megane 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 cases.
Battery charging problem on Renault Megane: My battery is discharging regardless if I am recharging it with a particular charger
In this first case, it is quite possible that your alternator is dead , obviously, if you manage to recharge your battery with a charger and your Renault Megane to start, the problem obviously comes from your alternator which should not be able to create any more current.
Battery charging problem on Renault Megane: My car shuts off and does not start regardless if I have charged the battery
If you have recharged your battery and you have been able to start your Renault Megane but it switches off although you are driving and then does not start, the trouble with recharging the battery of your Renault Megane is that your battery no longer holds the charge .
Battery charging problem on Renault Megane: 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 comes from your alternator. It cannot result from your battery, which is new and therefore holds the charge. The second possibility is that you have a ground somewhere in your electrical system.
How to resolve the problem of battery charging on Renault Megane?
We will now give you the solutions according to the problem you are struggling with. Here are the different problems and their solutions:
- Defective alternator: You can try with basic mechanics to verify it with a pressure gauge to discover if it’s producing power. If it doesn’t, replacing it is the best solution, based on your motor you will pay a few hundred euros. This fix is feasible in the event 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 fact, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros based on your engine.
- Ground in the electrical circuit: If you cannot start your Renault Megane 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 car electrician is in such a case necessary.
How to recharge an empty battery of a Renault Megane
Finally, to recharge the empty battery of a Renault Megane there are just few solutions, using a battery charger is the most efficient solution, you can find some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will just provide the energy needed to start.
If you wish more tutorials on the Renault Megane, go to our Renault Megane category.
