Why do batteries fail after 3 years? This is the basic reason
Many experienced drivers can use their batteries for about 6 years or even more, but many novice friends' batteries In fact, they all need to be replaced around the third year of use, which increases the cost of using the car. After all, an ordinary battery with automatic start and stop costs more than 1,000 yuan, which is very expensive.
Caring for the battery does not mean you have to clean it with a brush. A dirty appearance will not affect battery life. The most feared thing about car batteries is deep discharge. If all the energy is used up, a new battery can be used several times. I have experimented with motorcycle batteries before, the new battery is fully charged and discharged. where there is no electricity tout. After loading and unloading it several times, it will no longer be able to be charged.
Most reasons for deep discharge are due to not turning off the car's electrical devices when the engine is off. Before the engine is turned off, all electrical devices in the car are powered by the engine. Generator, and the generator also supplies the battery with charging, but once the engine is turned off, it can only be charged by the battery. Some friends installed high-power speakers, the battery is out. will be emptied after 2 hours. This is normal, don't be surprised.
It's a bit like the swimming pool at home. You usually use tap water directly. When the water is turned off, pool water is used. However, if you don't turn off the tap. when the water is turned off, the pool will quickly empty. There is no more water, it's the same if you want the battery to last a long time, I tell you, don't use the electrical appliances in the car after you. stopping and turning off the engine is really an inconvenience.
Another situation is that the power is not completely cut off when the car is parked and idle for a long time. For some cars, you should not think that the power is off when the key is removed. . The car dashboard doesn't turn on after the key is removed, this whole multimedia system is still on, the screen is on, the charging socket, cigarette lighter, etc. are all on. plug in your phone and charge it at that time, this will also consume the battery. The battery is constantly draining, which is also very harmful to the battery.
If you don't use the car for a long time, you can't leave it on all the time. You should at least start the car every six months or so to charge the battery. ,which takes about half an hour, or you can remove the negative pole of the battery before going out and use a universal charger to charge the battery after a while. Generally speaking, it is easy to replace the battery after 3 to. 5 years or even 6 to 7 years.
If you want to replace it, you need to replace the power part, and the price is not as high as buying a new generator directly!
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