What are the signs of a battery before a problem?

Generally, the life of lead-acid batteries is not very long, about 2-3 years. Most of the current vehicles use maintenance-free batteries. Compared with lead-acid batteries, this type of battery has a longer lifespan. In normal times, it does not require excessive maintenance and does not need to add distilled water. It can be said to be disposable , Basically replace it when used up. Let me tell you the signs before the battery is dead. If you encounter the following situations while driving, the battery is almost exhausted at this time, so it should be replaced in time. 1. It is very difficult to start the vehicle. Before that, we will eliminate other factors. If the vehicle becomes very difficult to start, it is likely that the battery will be scrapped. 2. The idling speed of the vehicle slows down and the brightness of the headlights dim. For example, when the red light is waiting, the brightness of the headlights is much dimmed, which means that the power of the generator has been reduced a lot. If the battery power supply is not good, The headlights may not turn on. 3. Battery failure light alarm This method is the most straightforward warning light to indicate the battery status. If the battery warning light of the vehicle is on, it means that the battery is almost dead. If this happens, you must check and replace it in time. . 4. There is an abnormal noise when the vehicle is started. Due to the insufficient power of the battery, it is said that the vehicle will make an abnormal squeak when the vehicle is started. Of course, this situation will disappear if the weather gets warm, but this occurs. The situation still needs attention. 5. Battery observation hole changes In current vehicles, many batteries will have an observation hole on them. There is an indicator light to indicate whether the battery is in good working condition, green indicates normal, and if it is black, the battery should be replaced. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.