Automotive battery testing car battery replacement

We know that many parts of the car are prone to problems after the car has been used for a long time. It needs to be replaced in time. For example, the battery we are talking about today, its service life is usually about three years, and for the replacement of the battery. In addition to the normal 4S shop or auto repair factory for processing, there are now many owners choose to DIY themselves. Here are some tips for Car Battery testing and how to replace the battery.

Car battery test

At the beginning we also mentioned that the battery life is usually about three years, but this time is not absolute, because it has a lot to do with the daily use and maintenance habits of the owners, such as the proper use of five or six years. There are a lot of people, and it’s not a waste of one year’s use, so car owners must pay attention to develop good car habits when using cars.

And if we judge whether the battery needs to be replaced, one of the most intuitive methods is to borrow tools. Conditional riders can use the battery professional performance tester or multimeter to test. Of course, many owners do not have such tools, so they can also There are other ways to make a rough judgment.

First of all, if there is a power observation port on the battery, the owner can judge by checking its color. For details, please refer to the label on the battery. Usually, if the green color is displayed, the battery is in a normal state, and black indicates that the capacity is insufficient to charge. When the display is white, the owner should pay special attention, because this means that the battery will be replaced as soon as possible.

In addition, the owner can also pay more attention to observe whether there is obvious bulging or deformation around the battery, and whether there is white-green oxide in the electrode wiring, whether the brightness of the lamp changes with the engine speed, etc. It is the performance of battery performance degradation.

What are the precautions for replacing your car battery?

In fact, the battery replacement of most models is not too difficult. If there are some basic tools such as wrenches and screwdrivers in the owner's home, they can be replaced at home, but there are many things to pay attention to.

1. Before DIY, the owner is advised to contact the manufacturer's customer service or sales service store to confirm whether your model can replace the battery by yourself. At present, there are many vehicles that use the power management system. If the battery is blindly removed, it is very likely that it will be on the vehicle. Other electrical equipment has an impact.

2. When the owner purchases the battery himself, he must pay attention to the choice of the model. Do not buy the wrong one. You should choose the same performance level as the original battery, and the product with the same positive and negative position, pay special attention to the capacity on the battery and the low-temperature starting current. At the same time, there are more fakes in the market, so try to buy them at regular stores. In addition, if you are driving to buy it yourself, you must also pay attention to keep the electrode facing up at any time, otherwise the new battery will be scrapped in advance.

3. Pay attention to personal protection work before formal replacement. Pay special attention to the order of positive and negative poles when disassembling the battery. When removing, you must first remove the negative pole and then remove the positive pole. When installing, you must first install the positive pole and then install the negative pole. These are all for safety reasons, to avoid serious consequences of the battery due to short circuit, in short, we must remember when replacing: the negative pole of the battery must not be connected separately!