What is the cause of the car battery sleeping? A complete review of the causes, symptoms and ways to prevent
The car battery is one of the most important parts of the car's electrical system, which is responsible for providing the necessary energy to start and run the electrical parts. One of the problems that many drivers face is the car battery sleeping. This problem can happen at any time and place and cause a lot of trouble.
If you have also encountered the problem of the car battery sleeping or you want to prevent this problem, in this article we will fully review the cause of the car battery sleeping, its symptoms and prevention solutions.
What does car battery sleep mean?
The term sleeping battery is used when the car battery does not have enough charge to start the engine. In this situation, the car does not start or the starter works very poorly.
Battery sleep may occur for various reasons and does not always mean a complete failure of the battery. Sometimes a simple problem in the car's electrical system can cause the battery to drain.
The most important reasons for the car battery to sleep
1. Keeping the lights on
One of the most common reasons for the battery to sleep is leaving the car lights on. After turning off the car, many drivers forget to turn off the headlights, roof lights, or trunk lights.
This will gradually drain the battery and eventually the car won't start.
2. Not using the car for a long time
If the car is left unused for several weeks or months, the battery will lose its charge over time.
This happens especially in the winter season because the low temperature has a negative effect on the performance of the battery.
3. Malfunction of car alternator
The alternator is responsible for charging the battery when the engine is on. If the alternator does not work properly, the battery will not charge and will be completely discharged after a while.
Alternator failure symptoms
- The dimming of the lights
- The lighting of the battery light behind the amp
- Weakening of the performance of electrical equipment
- The car does not start
4. The end of the useful life of the battery
The car battery has a limited life and usually provides good performance between 2 and 5 years.
After this period, the energy storage capacity decreases and the battery is more exposed to sleep.
5. Poor connections or sulfation of the battery head
The presence of corrosion and sulfate on the battery poles causes disturbances in the transmission of electric current.
As a result, the battery may be healthy, but the car does not start.
6. Inappropriate weather conditions
Extreme cold is one of the important factors of car battery sleep. At low temperature, the chemical reactions inside the battery slow down and the electricity production power decreases.
Excessive heat can also cause the electrolyte liquid to evaporate and reduce battery life.
7. Existence of hidden electrical consumers
Sometimes some electrical parts of the car continue to consume electricity even after the engine is turned off.
including:
- Defective alarm system
- Vehicle recording
- Non-standard audio system
- GPS and trackers
- Electrical accessories
These things can cause gradual discharge of battery charge.
Signs of car battery sleeping
Knowing the signs of a dead battery can prevent bigger problems.
The most important signs
- Weak start or late starting of the car
- Hearing a rattling sound when starting
- Car lights dimming
- Displays turning off
- Car not starting
- Decreasing performance of electrical equipment
How to know if the battery is dead or damaged?
Many people confuse sleeping battery with its complete failure.
The battery is dead
- It can be used by recharging.
- The voltage is reduced.
- After charging, the car starts again.
Broken battery
- Doesn't hold charge.
- Internal panels are damaged.
- Even after charging, it doesn't work properly.
What to do if the car battery sleeps?
If the car battery is dead, you can do the following:
Battery to battery
The most common way to start the car is to use a battery to battery cable.
Use a jump starter
Portable jump starters can start the car in a short time.
Contact car assistance
If you don't have the necessary tools, the best way is to contact the car service.
Anzali Car Assistance provides 24/7 battery-to-battery services, battery testing, on-site battery replacement, and emergency assistance.
To receive urgent services, you can call the following number:
How to prevent car battery from sleeping?
Following a few simple tips can increase battery life and reduce the possibility of it sleeping.
Periodic battery service
Battery should be checked regularly to ensure its health.
Turn off electrical equipment
Before leaving the car, make sure that the lights and electrical equipment are off.
Start the car at regular intervals
If you use the car infrequently, start it at least once or twice a week.
Alternator check
The correct operation of the alternator plays an important role in the health of the battery.
Cleaning the battery head
Keeping the poles of the battery clean allows for better transmission of electric current.
When should the car battery be replaced?
If you see the following, it is better to replace the battery:
- The life of the battery is more than 3 to 5 years.
- The car starts with difficulty.
- The battery does not hold a charge.
- The battery body is swollen.
- The battery has slept several times.
Frequently asked questions about car battery sleep
Does sleeping battery mean its failure?
No. In many cases, the battery only loses its charge and can be used by recharging.
How long is the useful life of the car battery?
Usually between 2 and 5 years depending on the type of battery, weather conditions and how the car is used.
Does the cold cause the battery to sleep?
Yes. Low temperature can reduce the output power of the battery and increase the possibility of it sleeping.
Who can help if the battery dies?
If this problem occurs, you can contact Anzali car assistance so that battery-to-battery service or battery replacement on the spot will be done for you as soon as possible.
Contact number Anzali Car Help:
09388800601
summary
Car battery sleeping is one of the most common problems of drivers, which can occur for various reasons such as lights staying on, alternator failure, end of battery life, bad weather conditions, and hidden electrical consumers.
This problem can be prevented with regular car service, checking the condition of the battery and observing the maintenance tips. If your car does not turn on due to the battery being dead, Anzali Car Assistance is ready to provide immediate on-site services around the clock.
Urgent call: 09388800601