Should the car battery have electricity?

1. The car is not easy to start. Many owners' cars will not start well. It is more obvious when starting in winter. If the influence of the engine or other factors is ruled out, then the battery may have a problem, and it is time to replace it with a new battery. Up. Many car owners will encounter problems with the car not starting well or squeaking in the winter, and they will first think of the oil problem, but can't remember the battery problem, so this should always be paid attention to. 2. When the car starts, the dashboard flickers or dims. When the car battery is low, the dashboard will flicker or dim. If the battery failure light is on, go straight to the repair shop to replace the battery. 3. When the car is decelerating, the headlights are dimmed. Generally, it is rarely found during the day. When the car slows down at night, the headlights of the car are found to be dimmed a lot. It is most likely caused by insufficient battery power. At this time, you should Go check it. 4. The phenomenon of swelling, deformation, oxidation, and leakage of the battery When the car battery begins to swell, deform, oxidize (white or green powdery substances deposited around the pole), or leak, it means that your car battery is about to run out of power. It is necessary to replace the battery in time, and beware of the phenomenon of insufficient power when driving on the road. 5. The sound of liquid boiling in the battery. Some car owners find that it is easy to overheat when charging, and they will hear the sound of boiling water when driving for a long time. This is probably because your car battery is dead. 6. Smelling a pungent odor during driving. Some cars will have a pungent odor during driving. If it is not the internal smell or burning smell of the car, you can consider that the battery is dead. When the battery is dead, there will be a pungent smell. It has a smell similar to rotten eggs, so pay attention to it when driving. 7. The battery observation hole becomes black. Under normal circumstances, the vehicle owner can check the battery condition by observing the battery observation hole. Generally, green is good, and black requires repair. If the owner finds such a bad judgment, check whether it is deformed. The service life of a general car battery is 2-3 years, while the original battery of a new car can be used for more than 3 years. When the service life is reached, the car battery should be replaced in time or regularly checked whether the battery is charged. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.