How long is the life of lithium batteries for electric vehicles?

Is it true that lithium batteries can only be charged and discharged 500 times? I believe that most consumers have heard that the life of a lithium battery is 500 times, 500 times of charge and discharge, beyond this number, the battery will die, many friends in order to extend the battery life, each time the battery power Only charge when it is completely exhausted. Does this really have an extension effect on the life of the battery? The answer is not fixed. The life span of a lithium battery is 500 times, which does not refer to the number of times of charging, but a cycle of charging and discharging. A charging cycle means the process of using all the power of the battery from full to empty, and then from empty to full. This is not the same as charging once. For example, a lithium battery used only half of its power on the first day of the list, and then charged it slowly. If the situation persists the next day, you can charge it with half and charge it twice in total. This can only be counted as one charging cycle, not two. Therefore, it may take several times to complete a cycle. Every time a charging cycle is completed, the battery capacity will be reduced a bit. However, this amount of power is very small. High-quality batteries will still retain 80% of the original capacity after repeated cycles of charging. Many lithium-powered products will still be used after two or three years. Of course, the life span of lithium batteries is still in need of replacement after the end. The so-called 500 times means that the manufacturer has achieved about 625 charging cycles at a stable depth of discharge, reaching 500 charging cycles. Because of the various effects of real life, especially the depth of discharge during charging is not stable, 500 charging cycles can only be used as a reference for battery life. Following the successive announcements of timetables for the ban on the sale of fuel vehicles in countries around the world, the new energy industry has once again ushered in a wave of development. It is foreseeable that lithium batteries will be widely used in the electric vehicle industry in the future. Lithium batteries for electric vehicles are mainly divided into three categories. The top ternary lithium is also the most used lithium battery at present. The second lithium iron phosphate and the third lithium titanate. Among them, lithium titanate is very low, and few people use it. . At the top of the list, Tianneng Chaowei and major manufacturers are basically ternary lithium batteries. Among them, Tianneng lithium batteries use 18650 lithium batteries. Chaowei lithium batteries are mainly soft-packed ternary lithium, which are all attributed to ternary lithium. Type, 3.7V, 4.2V rechargeable. 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. Previous: How to properly maintain the military lithium battery UPS power supply?