1. First check whether the product logo is complete, including the manufacturer name, product specifications and models, manufacturing date, and trademark; check whether the internal and external logos are consistent, especially check whether the product body has eye-catching logos, and pay attention to the production date. Whether in the near future.

2. Secondly, pay attention to the appearance of the battery. Check for deformation, cracks, scratches and signs of leakage.

The battery terminals should be clean, free of rust, and clearly marked. ?

3. Pay attention to the rated capacity marked on electric vehicle battery products.

The larger the rated capacity marked on the battery, the longer the battery discharge time. It is best not to buy batteries without rated markings, but pay attention to whether they are dedicated to electric vehicles. If there are multiple capacities marked, the rated capacity should be used. Capacity shall prevail. ?

4. Choose brand batteries from well-known companies and large companies.

Batteries are generally provided by professional battery manufacturers. Batteries produced by different brands and manufacturers vary in quality and price. Well-known and large enterprises have large scale, strong technology, good after-sales service, and guaranteed battery quality.

In addition, choose a smart charger with automatic control that matches the battery.

A suitable charger can automatically adjust the charging size and time, which will help extend the service life of the battery.