CCS1, CCS2, CHAdeMO or GB/T: Which Charging Standard Should You Choose?
Aug 14, 2026
DC Connector Selection
CCS1, CCS2, CHAdeMO or GB/T: Which Charging Standard Should You Choose?
Choose the DC charging standard from the vehicles that will actually use the station-not from the charger's maximum power or connector appearance. The vehicle inlet, destination market, battery voltage, communication method and installed fleet must all match the selected charging interface.
Direct Comparison
Four Standards, Four Different Vehicle Ecosystems
These interfaces are not interchangeable merely because they all deliver DC power. Their physical connectors, vehicle communication arrangements and market adoption differ.
North American vehicle base
Consider for existing and specified vehicles fitted with a CCS1 inlet. Verify future fleet plans because connector adoption is changing in this market.
European and international projects
Commonly selected for compatible vehicles in Europe and a range of other markets using the CCS2 ecosystem.
Japanese and legacy fleets
Relevant where Japanese vehicles or an established local fleet still relies on CHAdeMO DC charging.
Chinese vehicle ecosystem
Selected for compatible vehicles designed around China's GB/T DC charging requirements.
| Decision factor | CCS1 | CCS2 | CHAdeMO | GB/T DC |
|---|---|---|---|---|
| Common market association | North America and applicable imported-vehicle markets | Europe, Australia and multiple compatible international markets | Japan and locations retaining a CHAdeMO vehicle base | China and projects serving compatible Chinese-standard vehicles |
| Best selection evidence | Confirmed CCS1 vehicle inlet list | Confirmed CCS2 vehicle inlet list | Verified CHAdeMO fleet population | Verified GB/T vehicle specification |
| Vehicle communication | CCS communication architecture | CCS communication architecture | CHAdeMO-specific communication | GB/T-specific communication |
| Typical project concern | Changing regional connector mix and imported vehicles | Destination-country compliance and backend requirements | Size of the remaining local vehicle base and future demand | Vehicle-market specification and destination compliance |
| Mixed-connector role | Can be combined where CCS1 demand coexists with another supported interface | Can be paired with another connector for mixed fleets | Often considered as a second connector where legacy demand remains | Can be combined for projects serving domestic and imported fleets |
Selection Sequence
Start with Vehicles, Then Configure the Charger
Selecting a connector first and checking the fleet later can result in unused charging bays, adapter dependence or costly cable changes.
- List existing vehicles and models planned for the next procurement period.
- Record the DC inlet fitted to each vehicle rather than relying only on its country of manufacture.
- Confirm battery voltage and maximum accepted DC current or power.
- Estimate how many vehicles using each standard will arrive during peak periods.
- Decide whether each connector must operate simultaneously.
- Check destination-market electrical, certification and installation requirements.
- Confirm OCPP, user authentication, payment and backend integration needs.
Identify the vehicle inlet
Separate CCS1, CCS2, CHAdeMO and GB/T vehicles into a fleet or market compatibility list.
Measure demand by standard
Count daily sessions, peak arrivals and required charging windows for each connector type.
Match electrical output
Confirm that charger voltage and current limits cover the target vehicles without unnecessary oversizing.
Freeze the connector layout
Specify single, dual or mixed connectors and define simultaneous power allocation before production.
Validate communication
Complete vehicle, charger and backend testing for the final project configuration.
Standard-Specific Decisions
When Each Charging Standard Makes Sense
Choose CCS1 when
Vehicle-led choiceThe operating fleet has verified CCS1 inlets and the project requires a commercial charger configured around those vehicles.
- Existing CCS1-equipped passenger or commercial vehicles form a material part of demand.
- Vehicle voltage falls within the ordered charger range.
- Future fleet purchases and regional connector changes have been reviewed.
- Backend and payment requirements are defined for the destination market.
Choose CCS2 when
International infrastructureThe target vehicles use CCS2 and the project is located in a market where this interface is established or required.
- The vehicle list confirms CCS2 inlets.
- The site serves compatible 400V or 800V vehicle platforms.
- Public, fleet or highway operations need scalable power configurations.
- Local compliance and backend integration have been reviewed.
Choose CHAdeMO when
Installed fleet supportThe site has measurable demand from vehicles fitted with CHAdeMO inlets, particularly Japanese or established legacy fleets.
- Current registrations or fleet records show continuing CHAdeMO demand.
- Removing CHAdeMO would exclude a commercially relevant user group.
- The expected session volume justifies a dedicated or mixed connector.
- Vehicle communication testing is included in commissioning.
Choose GB/T when
Chinese-standard vehiclesThe project serves vehicles built for the GB/T DC charging ecosystem and the ordered charger is configured for their interface and communication requirements.
- Target vehicles carry compatible GB/T DC charging inlets.
- Battery voltage, auxiliary supply and communication requirements are confirmed.
- Imported-vehicle documentation has been checked for the destination country.
- Mixed-fleet needs are addressed with the correct connector combination.
The connector standard must be ordered together with the required output range, cable assembly and power-allocation logic.
Power Compatibility
The Connector Does Not Determine Charging Speed
A vehicle with the correct inlet can still charge below the cabinet's rated output. DC charging power is negotiated and constrained by several components operating at the same time.
The battery management system requests voltage and current according to battery condition and its charging curve.
The selected power modules, output-voltage range and current capacity set the equipment boundary.
The connector assembly, conductor rating and air- or liquid-cooled design limit continuous current.
Mixed-Connector Stations
Should One Charger Support More Than One Standard?
A mixed-connector cabinet can expand vehicle coverage, but extra plugs do not automatically increase station capacity. Connector demand and simultaneous power requirements must be calculated separately.
| Configuration | Suitable condition | Required confirmation | Main purchasing risk |
|---|---|---|---|
| Single standard | Controlled fleet or clearly dominant local vehicle inlet | Vehicle list and future fleet plan | Limited coverage if the vehicle mix changes |
| Dual same-standard | Two bays primarily serve the same vehicle ecosystem | Maximum output per connector and simultaneous allocation | Assuming each connector receives full cabinet power at the same time |
| Dual mixed-standard | Two connector groups have meaningful and measurable demand | Connector combination, vehicle ratio and communication support | One connector may remain underused while still adding cost and maintenance |
| Multi-gun project | High-traffic station serving several vehicle groups | Total site power, cabinet limits, simultaneous sessions and bay layout | Connector count being confused with available charging power |
| Separate chargers | Standards have different utilization or service priorities | Site footprint, redundancy and individual charger ratings | Higher equipment and installation scope than one shared cabinet |
Site Examples
Different Sites Can Require Different Answers
European public station
Likely CCS2-ledPrioritize verified local vehicle compatibility and destination requirements. Add another connector only when fleet or registration data supports it.
North American service center
Fleet verification requiredCheck existing CCS1 vehicles and future vehicle purchases. Do not base a long-term investment only on historic connector demand.
Japanese fleet location
CHAdeMO evidenceUse the actual vehicle inventory and replacement schedule to decide whether CHAdeMO remains the primary interface or part of a mixed arrangement.
Chinese vehicle depot
GB/T compatibilityConfirm the vehicles' GB/T specifications, battery voltage, required charging window and whether imported vehicles introduce another connector need.
Export vehicle terminal
Mixed vehiclesA mixed-connector or portable charging arrangement may be appropriate when vehicles built for multiple destination markets require preparation charging.
Multi-brand dealership
Model list firstMap every serviced model to its inlet and charging limits before selecting connector quantities and rated output.
Procurement Specification
Information Required for an Accurate Charger Configuration
- Destination: installation country, site type and local electrical requirements.
- Vehicle list: manufacturer, model, production year and charging-inlet type.
- Battery data: minimum and maximum voltage and accepted DC charging power.
- Demand: daily vehicles, peak arrivals, dwell time and target charging window.
- Connector layout: CCS1, CCS2, CHAdeMO or GB/T quantity for each cabinet.
- Simultaneous charging: number of active connectors and required output per vehicle.
- Electrical supply: grid voltage, transformer capacity and other major site loads.
- Cable assembly: length, current requirement and air- or liquid-cooled preference.
- Management: OCPP version, backend platform, networking and authentication.
- Installation: indoor or outdoor location, foundation, cable routing and service clearance.
- OEM scope: branding, cabinet color, interface language and labeling requirements.
Newcom's 180kW DC Charging Station lists CCS1, CCS2, GB/T and CHAdeMO connector options, configurable DC200–1000V output and optional OCPP. Connector combination and model-specific output must be fixed in the order specification.
Available NEDF series references
- Rated power: 40 / 60 / 80 / 120 / 160 / 180 / 240kW
- Output voltage: DC200–1000V
- Series current: 0–300A, configuration-dependent
- Connector options: CCS1 / CCS2 / GB/T / CHAdeMO
- Connector layout: single, dual or project-specific
- Standard cable: 5m with optional upgrade
- Cooling: air cooling; liquid cooling optional
- Installation: commercial floor-mounted
- Enclosure: IP54
- Management: remote operation; OCPP optional
Related Products and Resources
Compare Connector and Charger Configurations
Buyer Questions
DC Charging Standard FAQ
Can a CCS1 vehicle use a CCS2 DC charger directly?
No direct compatibility should be assumed. CCS1 and CCS2 use different physical interfaces. Use charging equipment designed and approved for the vehicle inlet and destination-market requirements.
Is CCS2 always the correct choice for an international charging project?
No. CCS2 is established in many markets, but the correct interface must be confirmed from local vehicles, regulations and fleet plans. Some projects may require CCS1, CHAdeMO, GB/T or a mixed-connector configuration.
Should a new charging station still include CHAdeMO?
Include CHAdeMO when current vehicle registrations, fleet records or customer demand justify it. The decision should consider expected utilization, future vehicle replacement and whether a dedicated or mixed connector offers better value.
Can one charger have CCS2 and CHAdeMO connectors?
A project-specific mixed-connector arrangement can be considered. Buyers must specify whether the connectors operate simultaneously, the maximum output per vehicle and how cabinet power is allocated.
Does choosing CCS1, CCS2, CHAdeMO or GB/T determine charging power?
No. Actual charging power is limited by the vehicle request, battery condition, charger rating, voltage and current range, cable assembly, thermal conditions, power sharing and available site supply.
Can a GB/T charger be used for Chinese vehicles exported to another country?
First verify the inlet fitted to the exported vehicle because export models may differ from domestic versions. The charging equipment must also satisfy the destination country's electrical, certification and installation requirements.
What information is needed for a connector recommendation?
Provide the destination country, vehicle models, charging inlets, battery voltage, accepted DC power, daily charging demand, site supply, required connector quantity, simultaneous charging requirement, backend platform, quantity and OEM needs.
Choose the Connector from Real Vehicle and Market Data
Send the destination country, vehicle list, battery voltage, required charging power, connector quantities, simultaneous charging demand and backend requirements for configuration review.
Project Inquiry
DC Connector and Charger Configuration Request
Include the destination country, vehicle models, charging inlets, battery voltage, charger power, connector quantity, simultaneous charging needs, site supply, OCPP requirements and purchase quantity.
