An electric vehicle (EV) connector is the plug on charging equipment that goes into the vehicle’s charge inlet. The U.S. Department of Energy’s Alternative Fuels Data Center (AFDC) defines it simply as “what is plugged into a vehicle to charge it.” The connector is the physical interface between the charger and the car, and which connector a car uses depends on its inlet, its model year, and whether it charges with alternating current (AC) or direct current (DC).
Connector, port, and station: three different things
The terms are often used interchangeably, but the AFDC separates them. A charging station is the location. A charging port (also called a charger or EVSE port in AFDC terminology) delivers power to one vehicle at a time. The connector is the plug that comes off that port. A single port can offer more than one connector, but it still charges only one vehicle at a time. Source: AFDC, Electric Vehicle Charging Stations.
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In practice, that means a station with four ports may have eight connectors, and a driver only needs the one that matches the car’s inlet.
The connector families you will see in the United States
In the AFDC’s U.S. descriptions, each connector family is tied to a charging context. The table below summarizes the families named in AFDC station and data documentation. It is a U.S.-oriented list and does not describe every connector used worldwide.
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- Compatible with J1772 EVs Charging Adapter -for Tesla charger adapter supports up to 60A charging, compatible with Tesla Mobile Connectors, High Powered Wall Connectors, Destination Chargers
- More Charging Options -FOCSPROD for Tesla to J1772 adapter, enabling your J1772 electric vehicle to charge at over 15,000+ charging stations. Let your EVs have multiple options for charging more conveniently
- Fast Charging – Supports Level 2 charging up to 60A/250V, delivering stable power transfer with maintained charging speeds(Note: Not compatible with Tesla Superchargers or DC Fast Charge)
- Safe Charging -This J1772 charging adapter is SGS certified to comply with the UL 2252 standard for safety.Also with security lock features
- Compact & Portable -for Tesla charger adapter is designed with lightweight, compact, and easy to carry. You can put it anywhere in the electric vehicle, so you can fully charge it quickly and easily on the go
| Connector or system | Charging context in AFDC material | Practical note |
|---|---|---|
| SAE J1772 | AC Level 1 and Level 2 | The common AC connector in AFDC descriptions. At Level 1, the vehicle end may be J1772 while the cordset’s wall end is a household NEMA plug. |
| CCS (J1772 Combo) | DC fast charging | AFDC describes it as the common DC fast-charging system for most vehicle models. |
| CHAdeMO | DC fast charging | AFDC describes it as a DC fast connector associated with select vehicle models. |
| SAE J3400 / NACS | AC and DC charging | SAE’s standard based on Tesla’s NACS design. Vehicle and network compatibility remains model-specific. |
| MCS / J3271 | DC charging category in AFDC station data | Listed in AFDC’s station-data dictionary. It is a DC charging category, not a passenger-car connector name. |
Sources: AFDC, Electric Vehicle Charging Stations and AFDC, Data Included in the Alternative Fuel Stations Download.
SAE J1772: the basic AC connector
J1772 is the AC connector that AFDC associates with Level 1 and Level 2 charging. Level 2 equipment is the usual public and home AC option. Because the connector only defines the plug and its signaling, it does not by itself set how fast a car will charge.
Rank #2
- COMPATIBILITY -FOCSPROD J1772 to Tesla charger adapter is compatible with Tesla Model 3, Y, X, S, Cybertruck (A clean Inspect charging port helps charging). Compatible with Tesla Model 3 vehicles manufactured after 2020
- MULTIPLE CHARGING OPTIONS -This J1772 to Tesla adapter supports Level 1 and Level 2 charging. Charge at home, at work, or on the go, giving another option to charge for Tesla owners
- SAFE CHARGING -for Tesla charging adapter is made of PC material and has silver-plated pins. This J1772 to NACS adapter is SGS certified to comply with the UL 2252 standard for safety
- FUNCTIONALITY -J1772 adapter Up to 80A of power at 110V-250V, for Tesla adapter standard charging in any condition across temperatures from -22°F to 122°F (-30°C to 50°C)
- EASY TO USE - for Tesla charge adapter is compact and portable. Simply plug it into compatible J1772 charger, then connect to your Tesla to start charging
CCS (J1772 Combo): J1772 with DC contacts added
CCS, which AFDC also calls J1772 Combo, adds additional lower contacts for DC fast charging to a J1772-based inlet. It is therefore related to the basic J1772 connector, but it is not interchangeable with it. A car with a CCS inlet can use J1772 for AC charging, while the DC contacts are used at DC fast chargers.
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CHAdeMO is a separate DC fast-charging connector. AFDC notes that it is associated with select vehicle models, so a CHAdeMO plug cannot be assumed to fit a CCS-equipped car, or the reverse, without checking the vehicle.
Rank #3
- INCREASED CHARGING OPTIONS - Access Tesla or North American Charging Standard (NACS) chargers to charge your electric vehicle, the Tesla to J1772 Adapter supports up to 48A charging and is designed to connect J1772 vehicles to Tesla chargers.
- COMPATIBILITY - Compatible with the Tesla High Powered Wall Connectors, all generation of Destination Chargers, and Mobile Connectors; With our adapter you can access over 15,000 more charging stations for your J1772 vehicle.
- QUICK CHARGING - The J1772 charging adapter is the only adapter on the market that supports 48 Amps of maximum current and 240V of maximum voltage.
- PORTABLE - The Tesla Adapter is compact and durable, making it ideal for charging on the go; Keep it conveniently in your car to charge your electric vehicle quickly and easily.
- SAFETY & PERFORMANCE - This electric vehicle charging adapter has been SGS certified under the UL 2251 standard, meeting the highest safety guidelines.
SAE J3400 / NACS: one plug for AC and DC
SAE J3400 is SAE’s standard based on the NACS design developed by Tesla. AFDC lists it as serving both AC and DC charging. Whether a particular vehicle or network supports it depends on the model and the charging operator, so the presence of the plug at a station does not confirm every car can use it.
MCS / J3271: a DC category, not a car plug
MCS (J3271) appears in AFDC’s station data as a DC charging category. Treat it as a classification used in station records rather than a connector a typical passenger car will have on its inlet.
Rank #4
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- CHARGE YOUR NACS VEHICLE AT J1772 STATIONS: Use this adapter to connect your Tesla or NACS EV to public and home Level 1 & Level 2 J1772 charging stations. Perfect for hotels, workplaces, apartments, parking garages, public Level 2 charging stations.
- HIGH-POWER 80A 250V RATED: Engineered for high-capacity AC charging up to 80 Amps and 250 Volts. Delivers safe, stable power for faster Level 2 charging compared to lower-rated adapters.
- PRECISION BUILT & UL COMPLIANT: Crafted with premium PC material and silver-plated copper alloy connector pins for efficient conductivity and durablity. IP54 rated and certified to comply to UL 2251 and CSA C22.2 No. 282-17. Interchangeable with OE Part Numbers: 1005617-00-C, 1067348-00-A, 1067384-00-B, 1067384-00-C
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Does a plug that fits mean the car can charge?
No. A physical fit only shows that the connector can mate with the inlet. It does not confirm that the vehicle supports the power level or charging protocol the equipment offers. AFDC’s general information identifies connector families and explains where adapters are used, but it does not certify any specific vehicle and adapter pairing.
Before you rely on a connector or an adapter, check:
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- 【Compatible with Tesla】:This J1772 adapter is compatible with all existing Tesla models, allowing you to access more charging options.With our adapter, Tsl drivers can utilize J1772 charging stations NOTE -Only for Tesla Car, Compatible only with Level 1 or Level 2 chargers with J1772 charging plug.Not workable on CCS DC EV Chargers.
- 【Durability & Safety Assurance】: This J1772 adapter is resistant to high voltage, short circuits, water leakage, and electric shock. It is IP65 waterproof,Engineered with precision circuitry to prevent overheating or power loss, ensuring consistent performance in temperatures from -22°F to 122°F (-30°C to 50°C).
- 【Safe & Fast Charging】: Rated to support up to 80 Amps, provides a full quick charge in a matter of hours with Level 2 AC charging.
- 【Portable& Safety Lock Design】:This small, portable, and convenient adapter uses a sturdy locking mechanism to ensure a stable connection between the adapter,Simply plug the J1772 charger into the adapter, attach it to your Tesla’s port, and start charging—no apps or settings required.
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- The vehicle maker’s specifications for your exact model year and inlet type.
- The maker’s adapter guidance, including whether an adapter is supported at all, and whether it is for AC charging, DC charging, or both.
- The station’s listed connectors, which are shown in the AFDC station data for U.S. locations.
Adapters are not universal. An adapter that works for AC charging does not make a car compatible with DC fast charging, and a DC adapter does not make every connector interchangeable.
A connector does not set charging speed
The connector identifies the plug standard, not the speed. AFDC gives broad charging-level ranges, but the power a car actually receives depends on the charging station, the vehicle’s own capability, and conditions at the time of charging. Two cars with the same connector can charge at very different rates, and the same car can charge at different rates on different stations.
Scope of this definition
This definition is based on U.S. Department of Energy AFDC pages and station data documentation. The AFDC does not provide a complete international connector list or a model-by-model compatibility table, so regional standards outside the United States, and the compatibility of specific models, are not covered here. For a specific car, the vehicle maker’s documentation is the authoritative source.
Dated figure on DC fast charging
As of 2023, more than 20% of public EV charging ports in the United States were DC fast chargers, according to the AFDC. This is a historical figure from 2023 and should not be read as the current share.
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