What should I pay attention to when changing the battery of a car? How did you do that?

The service life of general automobile batteries is 2-3 years, and the original batteries of new cars can be used for more than 3 years. Let's talk about what to pay attention to when changing batteries. The operation method should be to stop the engine and confirm the battery model. Because the battery capacity and size are different, it is best to choose the same battery as the original car. After purchasing the battery, you need to carefully check the production date of the battery.

First, generally speaking, the battery can be used for nearly three months, and the service life will be affected if the factory time exceeds half a year. Because the battery is heavy, friends with low strength suggest asking for help from friends, especially when taking out and placing the battery from the cabin, so as not to damage the battery or hurt themselves. Take off the battery clip and take out the battery. Next to the bricks, you will see icons marked with+and-. You must remove the negative electrode first. Because the negative electrode will react when it touches metal, the most common one is spark, so remove the negative electrode first. Next, repeat the previous step to take out the positive electrode, and try not to touch the metal during the removal process. Next, install a new battery. Just buckle the fixing rod into the groove below, and then twist it like when you remove it.

Second, here, for the convenience of viewing, take down the battery for everyone to see clearly. Repeat the above steps and twist it back. Be careful when you put it back. At this time, you should be the other way around. Install the positive electrode first, then the negative electrode. Twist the positive pole. When replacing, be careful not to cut off the power supply and replace it, so as not to damage some electronic equipment in your car again. When replacing batteries, uninterruptible power supply means connecting the new battery to the vehicle power supply, taking out the old battery, and then installing the new battery. For a new battery, it should run for one and a half hours after installation. This kind of battery can be recharged to ensure sufficient charge. After the battery is installed, try to see if the electronic equipment in trial operation is normal, such as lifting glass and speaker equipment.

Three. Precautions: When removing or installing the battery positive brick, be careful not to touch the metal. When buying a battery, you should pay attention to the model of your original car battery so that it can be used normally. Brand batteries are recommended here, with guaranteed quality. After purchasing the battery, please carefully check the production date of the battery. Generally speaking, the batteries in the last 3 months are acceptable. If the delivery time exceeds half a year, it will affect the service life. Replacing the battery is relatively simple. Just find a familiar repair shop nearby and replace the battery you bought.