China uses a domestic GB/T charging ecosystem with its own connector designs and communication standards.
China-market equipment is not simply CCS2
National GB/T provisions address connector geometry and electrical performance alongside data communication between offboard chargers and vehicles. A China-market EV imported to a CCS2 region may face more than a plug-shape mismatch: its DC communication and supported voltage and current also matter. Retail listings for passive plug adapters should never be treated as sufficient technical verification.
What changed in the 2023 documents
China's Ministry of Industry and Information Technology announced GB/T 20234.1-2023 and GB/T 20234.3-2023 on 7 September 2023, keeping compatibility with earlier domestic DC interface designs while updating requirements for high-power charging, active cooling and temperature monitoring. A standards-based upper rating is a ceiling for compliant equipment designs, not a real-world charging curve for every production vehicle.
Communications are separately standardized
The national standards database lists GB/T 27930-2023, published in September 2023 and effective April 2024, as the digital communication protocol between off-board conductive chargers and EVs. Proper communication must support requested power safely. Vehicle control software and station software revisions can therefore affect interoperability independent of the visible connector.
Regional ownership questions
Before shipping a vehicle outside China, check electrical certification, OEM-approved interfaces, charging service support, local homologation and high-voltage service access. Never assume a car marketed under the same name in China and Europe has identical battery, inlet or onboard charger. The vehicle-country-specific catalog is the source of truth for such differences.
Follow the standard revision, not a claimed universal kilowatt figure
The Chinese regulator's 2023 description identifies higher permitted current for revised domestic DC interface equipment alongside active cooling and monitoring changes. That is relevant to engineering the connector and station, but vehicle acceptance depends on its own electrical design and battery. A site described as compliant with a high-current version may still serve older GB/T cars at lower power. A vehicle shipped before the revision should not be assigned the revised interface ceiling unless the manufacturer confirms its hardware.
Handling GB/T exports in the catalog
Keep domestic and export-market records separated even when the same model family appears on both sides of a border. Enter the actual DC inlet shape, digital charging protocol, onboard AC supply requirements and supported voltage range. Where the car has an export CCS2 inlet, don't copy the China domestic GB/T specification back onto it. Charger compatibility must be proven for the specific destination's electricity rules and station technology. This preserves an honest historical record instead of retroactively 'standardizing' incompatible cars.
Focused Reader Questions
Is GB/T just a Chinese spelling of CCS?
No. It denotes separate standardized connector and communication families, not interchangeable CCS charging hardware.
Does the 2023 maximum rating apply to 2020 cars?
No. A later equipment standard cannot prove earlier vehicle capability; the installed pack and interface must be documented.
Can plug shape alone solve an import problem?
No. Protocol negotiation, voltage, protection, local approval and the OEM-approved adapter or conversion solution all matter.
Why store the communication protocol?
A station and car must exchange valid digital control information. A mechanical connection without a successful handshake cannot guarantee a DC session.
Sources and Further Reading
Scope: 2020–2026 vehicles and the regions identified above. Charging access, legal obligations, warranties and vehicle equipment must be checked for the particular market, model year and date.


