How to buy electric vehicle batteries?

Electric vehicles are favored by consumers because of their environmental protection and convenience, while electric vehicle batteries are a consumable as the energy source of electric vehicles. So, when the battery needs to be replaced in an electric vehicle, how to buy it? 　　 1. Check whether the product logo is complete. Including the name of the manufacturer, product specifications, date of manufacture, trademark; check whether the internal and external signs are consistent, in particular, check whether the product body has a prominent mark, and pay attention to whether the production date is in the near future.　　2. Pay attention to the appearance of the battery. Check for deformation, cracks, scratches and traces of liquid leakage. The battery terminal should be clean, free from rust, and the mark should be clear.　　 3. Pay attention to the rated capacity of electric vehicle battery products. The larger the rated capacity of the battery, the longer the battery discharge time. It is best not to buy the battery without the rated label, but pay attention to whether it is dedicated to electric vehicles. If there are multiple capacity labels, the rated capacity shall prevail.　　4. Purchase branded batteries from well-known companies and large companies. Batteries are generally provided by professional battery manufacturers. The quality of batteries produced by different brands and different manufacturers is different, and the price is also different. Well-known, large-scale enterprises have large scale, strong technology, good after-sales service, and battery quality is guaranteed.　　5. Choose an intelligent charger with automatic control that matches the battery. A suitable charger can automatically adjust the charging size and time, which is conducive to prolonging the service life of the battery. Previous: How to maintain the battery in daily use of electric vehicles?