The battery has no electricity, this car knowledge must be mastered
Is the battery dry? Of course it is used for power supply, but this is only when the engine is not running. At this time, all electronic equipment on the vehicle (including headlamps, radios and multimedia, fans, etc.) is powered by the battery. As long as the engine starts, we The generator on the car will work. At this time, there is no need for the battery to provide electricity, and the generator will also charge the battery at the same time to protect the battery power reserve. Battery will be bad? The car battery is like a rechargeable battery in our home. He also has a long life. According to experience, under normal circumstances, the life of a battery can reach 5 years, of course, the time is not the most critical, as long as the voltage is not enough, it is time to replace the battery. Just mentioned is normal use. Yes, if the battery is well maintained, the lifespan can be longer. If it is used improperly, it may be changed in two or three years. How can it be used improperly? To put it bluntly, it is over-discharge, such as turning off the car when it is not necessary, turning on the headlights or lighting the car for a long time, turning off the car for a long time with an air-conditioning fan, or frequent ignition every day. Therefore, if you want to maintain the battery, try not to do the things just mentioned, and if the vehicle is not used for a long time (probably more than a month), you need to open it more time (about half an hour) to ensure that you can The battery is fully charged. How do you predict in advance that the battery is dead? The simplest, each time you go to the 4S shop or maintenance shop, you can use an electric meter to measure the battery voltage. When you approach a dangerous value, you can directly replace the battery. Do not wait until the critical moment occurs. Especially in winter, the voltage will be lower, and most of the older batteries will hang in the winter. The replacement is easy, go directly to the repair shop, or Jingdong Taobao has the service of changing the battery, and the old battery if you can not get some of the money. Really, what's wrong with me? If you want to be foolproof, it's best to have a FireWire in the car. If the battery is dead, you can restart it by looking for a car to help. The method of putting on the line is very simple but it cannot be sloppy. First of all, it is necessary to park the two cars closer and look at the location of the battery in advance (general wire is also 2 meters long). Because the voltage output is the most stable in the case of a car, it is best to keep the rescue vehicle in step with the car. Battery wiring step 1. Use a red wire to connect the positive pole of the rescued vehicle (the "+" sign on the battery). 2. Connect the other end of the red wire to the positive pole of the rescue vehicle. 3. Connect the black wire to the negative pole of the rescue vehicle (the "-" end of the battery). 4. Connect the other end of the black wire to the victim's ground position. (The ground position is the unpainted metal screw on the top of the shock absorber tower, which is the position of the lower picture circle. In fact, this step directly connects the negative pole to the The negative pole of the vehicle can also be successful, but there will be sparks, and there is a certain safety hazard, it is best not to do so.) 5. You can start the rescued vehicle. After the ok is the stitches, the order is to take the negative first, then take the positive. If it is within the normal life of the battery, after the success of the cable to find a car, to drive for more than half an hour, you can basically resume normal use. However, it is recommended that small partners, not turn off directly to the repair shop or 4s shop for inspection to see if there is a need to replace the new battery. In addition to the line-up method just mentioned, if you can also call outside the rescue phone, you can call your 4S shop, or the repair shop you used to go to. Usually they will charge 50-100 yuan, and then they will ride a The small electric car is carrying you with a battery. If it is far more expensive, there is also the risk of being slaughtered. Therefore, it is still advisable to periodically check the battery voltage. Well, basically nothing to say about the battery, the battery for what type of instructions, there are instructions, do not buy one from the Internet will be installed. Today's article is here. If the friends are helpful, they will quickly forward them to their good friends.
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