When the car is running, it not only depends on the lubrication of the various parts of the car, but also has the battery of the car, so the more worrying thing about the battery is that it is out of power. It is a headache problem. Recently, the editor saw such a problem. How long does it usually take to charge a car battery when it is dead? Let’s find out together.
How long does it usually take to charge a car battery when it is dead: introduction to charging time
After the car battery is dead, it needs to be charged for 20 hours.
When the car is running, the generator will replenish the battery. However, when the battery is severely depleted, it needs to be replenished in time with a portable charger. Charging takes 20 hours.
How long does it usually take to charge a car battery when it is dead: introduction to charging time
If the battery is fully charged, it can be judged according to the following phenomena, or if the electric eye is green, it is fully charged:
A large number of bubbles are generated in the battery, and the phenomenon of "boiling" appears;
The terminal voltage rises to the maximum value and does not rise within two hours;
The electrolyte rises to the highest level and does not rise within two hours.Also check out:https://www.aimeno.com/lithium-battery-pack/
How long does it usually take to charge a dead car battery: a sign of insufficient power
To prevent the car from suddenly running out of power, the best way is to pay more attention to the "distress signal" sent by your car. There are three main manifestations of insufficient car power: one is that the starter does not turn or the rotation is weak, so that the starter cannot start; the other is that the headlights are darker than usual;
How long does it usually take to charge a dead car battery: a sign of insufficient power
In order to minimize the power consumption of the car, experts put forward two suggestions: first, avoid turning on the lights or listening to the radio for a long time when the engine is turned off; second, even if the engine is running, if the parking time is long, unnecessary Turn off the power of the electrical equipment used (interior and exterior lights, audio, navigation, etc.).
Experts said that in fact, the above-mentioned three omens of car power shortage are not difficult to detect during driving, but many car owners do not associate them with car power shortage, thinking that they are only intermittent small problems and do not care. Caused the embarrassment of sudden power failure in the middle of driving.
How long does it take to charge a dead car battery: battery precautions
When the car is out of power, push-cart starting is the most familiar and effective emergency starting method, but this is an unavoidable method and cannot be used frequently, because it will cause certain damage to the engine and clutch, especially for vehicles with automatic transmission. Avoid using this method to start.
Experts remind that if the car suddenly loses power, it is correct to contact the rescue vehicle and then connect the jumper cable to temporarily charge through the rescue vehicle to start the engine. "In order to prevent the car from being unable to charge when the battery is dead, car owners should prepare a jumper cable in the car, which can be bought in general auto parts stores."
How long does it take to charge a dead car battery: battery precautions
When connecting the jumper cables, do not mistake the connection sequence of the jumper cables: first connect the positive terminal of the dead car to the positive terminal of the rescue vehicle battery, and then connect the negative terminal of the rescue vehicle battery to the dead battery. The metal part connection (ground wire) in the engine room of the car. After the jumper cable is connected, the engine of the rescue vehicle can be started, and the engine speed can be increased slightly. After about 5 minutes, the car that has no electricity can be charged in an emergency. After charging is complete, the jumper cables should be removed in the reverse order of connecting them.Also check out:https://www.aminobattery.com/oem/
This is the end of today's editor's introduction. The above is the editor's introduction about how long it usually takes to charge the car battery when it is dead. The car battery will appear after a long time of use, and it is also easy for many people to ignore. , As long as you pay more attention to the condition of your car and take timely measures when you find that the power of the car has dropped, there will be no major problems.