Chargers can be separated mainly into two categories: slow and fast chargers.
Several co-existing standards and IEC norms regulate and standardize AC and DC charging technologies.
Three main charging protocols span the globe, the CHAdeMO (charge de move), the Combined Charging System (CCS) and the Tesla Supercharger. The only standard protocol implemented in China is GB/T, which is exclusive to the region.
* Source: IEA Global EV Outlook 2021