How long does a car’s battery normally last?

The life of car battery is about 4 years. 1. The on-board battery mainly provides starting power for the vehicle. When the vehicle is started, the generator participates in the power supply work. After the vehicle is started, the on-board battery assists in the compensation of the generator's power supply. The performance of the generator affects the life of the battery, and the performance of the battery affects the life of the generator. Assist work with on-board battery. 2. The life of the car battery generally needs to be replaced in about 4 years. The service life of the car battery is also related to the driver's driving habits. Good driving habits can prolong the service life of the car battery. 3. Some on-board batteries need to be replaced with new ones after a serious loss of electricity in 2 years. Some car batteries can be used for 8 years and still perform well. This is also related to the quality of the battery, but good driving habits can prolong the service life of the battery. 4. Common bad driving habits include watching TV and listening to music in the car after the engine is turned off. After the engine is turned off, the generator no longer works and does not produce current. The electricity used by the on-board electrical appliances comes from the on-board battery. The second loss of electricity will lead to a serious deterioration in the storage performance of the on-board battery. When the battery is scrapped, the vehicle is modified and equipped with high-power electrical appliances, the vehicle privately refitted with high-power electrical appliances will increase the workload of the generator. Long-term use of high-power on-board electrical appliances will also damage the vehicle. Battery life. I often forget to close the doors and windows of the vehicle (forgot to lock the vehicle), often forget to turn off the vehicle electrical appliances (indoor small lights), and find that the vehicle has useful electrical leakage and need to be repaired in time. If the vehicle electrical leakage is not handled in time, the vehicle battery will lose power and reduce the service life of the vehicle battery. 5. Do not turn off the engine to listen to songs, do not install high-power on-board electrical appliances, remember to stop and check whether the power of the on-board electrical appliances in the car door is off. Develop good driving habits and extend the life of the vehicle. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete it. Previous post: Are black gold batteries more durable than ordinary lead-acid batteries?