1. Check whether the product mark of electric vehicle battery is complete. Including the name of the manufacturer, product specifications, date of manufacture, trademark; check whether the internal and external signs are consistent, especially check whether the product body has a striking mark and the date of manufacture.
2. Pay attention to the appearance of electric vehicle batteries. 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 marked 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 a battery without a rated label, but pay attention to whether it is dedicated to electric vehicles.
4. Purchase branded batteries from well-known enterprises and large enterprises. 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. Purchase an intelligent charger with automatic control that is matched with the battery. A suitable charger can automatically adjust the charging size and time, which is conducive to prolonging the service life of the battery.