According to CoinMeta, on November 13th, CATL (Contemporary Amperex Technology Co., Limited) launched a battery visualization full-life-cycle detection system called "Chocolate Battery Butler." According to CATL, the Battery Butler can perform 53 self-checks on the vehicle and 66 in-depth checks within the battery swapping stations. They also promise lifetime monitoring, lifetime quality assurance, and lifetime free maintenance and replacement for the batteries. As planned, by 2027, a total of 6,000 battery swapping stations will be established under the Chocolate Battery Swap program, covering 297 cities across the country, achieving basic coverage of all prefecture-level cities and municipalities directly under the Central Government on the Chinese mainland.