J1772 EV Charger: Everything You Need to Know (2024)

The J1772 EV charger is a charging standard for electric vehicles in North America. It was first introduced in 2001 and has since become the most widely used charging standard for EVs. The J1772 plug is designed to be compatible with AC charging.

The J1772 EV charger is capable of charging an EV at a maximum rate of 80 amps. Most standard EVs can accept this high current and on average a rate of 50 amps (which is the maximum accepted by a Chevy bolt), translates to about 50 miles of range per hour of charging. This makes it a convenient option for EV owners who want to charge their vehicles at home, at work, or on the go. The J1772 EV charger is also compatible with a variety of EV models And can be used by Tesla (Using a j1772 adapter).

One of the benefits of the J1772 charger is its safety features. The plug is designed to prevent accidental disconnection during charging, and it also includes a ground fault circuit interrupter (GFCI) to protect against electrical shock. Overall, the J1772 EV charger is a reliable and convenient option for EV owners looking to charge their vehicles quickly and safely.

What Is a J1772 EV Charger?

J1772 EV charger can be a level 1 or level 2 charger. a Level 1 EV charger is the unit you usually get with your EV and can be connected to a 120V standard wall outlet. The other side of this unit is the J1772 Plug which can be connected to your EV J1772 port.

A level 2 j1772 EV charger is very similar; this is usually a unit you purchase separately on Amazon or from suppliers of EV accessories. This unit is mounted on a wall and connected to a nema 14 50 or 6 50 240V wall outlet. It can either be hardwired or plugged in. The other side of this unit is the J1772 Plug which can be connected to your EV J1772 port.

The big difference between Level 1 and Level 2 is the rate of charging which is much higher in level 2 chargers.

What Is a J1772 Plug?

A J1772 plug is a connector that allows electric vehicles to charge from an AC outlet. The J1772 plug has a standard design that is used by most electric vehicle makers. The J1772 plug is also known as the “J-plug.”

Are J1772 Chargers AC or DC?

J1772 chargers are AC (alternating current) chargers. They are Level 2 or Level 1 chargers that use a 240V or 120V outlet and, depending on the charger and type of electric vehicle can deliver 1.44kW (12A at 120V) to 19.2kW (80A at 240V). The AC is converted to DC in the EV itself by the onboard charger.

How Does J1772 Work?

The J1772 charging system works by using direct contact to charge the electric vehicle battery. The J1772 plug is inserted into the electric vehicle charging port, and the other end is plugged into a Level 1 or Level 2 charging station. The J1772 charging system then communicates with the electric vehicle to determine the charging rate and other charging parameters. Once the charging parameters are set, the charging process begins.

In summary, J1772 is a North American standard for electric vehicle charging. The J1772 plug is a connector that allows electric vehicles to charge from a standard AC outlet. J1772 chargers are AC chargers that use a 120V/240V outlet and charge electric vehicles using direct contact.

J1772 Charger Specifications

What Voltage Is J1772?

The J1772 charger is designed to work with a range of voltages, from 120V to 240V. The charging voltage is determined by the electrical system in the vehicle and the available power source. Most J1772 chargers are designed to work with a standard 120V/240V outlet, which is commonly found in homes and public charging stations.

Is J1772 a Fast Charger?

No. DC chargers are usually referred to as fast chargers. Among these are the Tesla superchargers and others located in public EV charging stations. These chargers require CCS connector and compatible CCS EV car port

The J1772 charger level 1 charger is the slowest and can charge an average EV from empty to full at ~30 hours,

The J1772 charger Level 2 charger can charge an average EV from empty to full at 6 hours. Level 2 J1772 chargers, usually sold separately from the electric vehicle, can charge 3 to 7 times faster than level 1 chargers.

Is J1772 a Level 2 Charger?

Not Exactly. The J1772 charger can be a Level 1 or Level 2 charger. See above for an example of both systems

How Many kW Is a J1772 Charger?

J1772 EV charger’s power output can have a wide kW range, Between 1.44 to 19.2 kW. It varies depending on the specific model and manufacturer. The average J1772 EV charger provides 9.6 kW, which translates to a charging time of just above 6 hours for a Chevy bolt for example. The slowest Level 1 J1772 EV Charger provides 1.44 Kw which charges the same Chevy bolt in our example in 41 hours. so it’s important to check the specifications before purchasing a charger.

J1772 Compatibility

J1772 is a charging standard used for plug-in and electric vehicles (EVs) in North America. It is compatible with Level 1 and Level 2 home charging, making it a popular choice for EV owners. Most non tesla EVs are using this standard and Tesla has an adapter that makes it possible to connect J1772 Plug and charge the car.

What Cars Use a J1772 Charger?

Most EVs sold in North America use the J1772 charging standard, including popular models such as the Chevrolet Bolt, Nissan Leaf, and Tesla Model S and X (with an adapter). Therefore, J1772 is widely available at public charging stations and can be used by a variety of EV models.

Can J1772 Use Tesla Charger?

While J1772 is a widely used charging standard, Tesla has its own proprietary charging system. However, Tesla owners can use J1772 chargers with an adapter. The Lectron Tesla to J1772 Adapter, for example, supports up to 48A charging and is designed to connect J1772 vehicles to Tesla chargers.

Can Model 3 Charge at J1772?

Yes, the Tesla Model 3 can charge at J1772 charging stations using an adapter. The Model 3 comes with a J1772 adapter, which allows it to charge at Level 2 charging stations with a J1772 connector.

Can a Nissan Leaf Charge at a J1772?

Yes, the Nissan Leaf is compatible with J1772 charging stations.

Yes, a Nissan Leaf can charge at a J1772 charging station. The Nissan Leaf is equipped with a J1772 port for Level 2 charging and a CHAdeMO port for DC fast charging.

Can You Plug J1772 to CCS?

Yes, The CCS (Combined Charging System) or Combo charging port enables multiple charging levels to be accessed through a single port. The CCS port consists of a standard J1172 port on top and an additional plug-in component below, which allows for both AC and DC charging.

J1772 System Level Description

The J1772 charging standard is a Level 1 and Level 2 charging system used for electric vehicles sold in North America (except Tesla). The system consists of a charging station, a charging cable, and a vehicle inlet.

The J1772 system uses a five-pin connector to provide power and communication between the charging station and the vehicle. The pins are arranged in a circular pattern with three pins on the top and two pins on the bottom. The top pins are used for power delivery, while the bottom pins are used for communication between the vehicle and the charging station.

The J1772 system is designed to support a range of single-phase alternating current (AC) charging rates. The charging rates range from portable devices that can connect to a household NEMA 5-15 outlet that can deliver 1.44 kW (12 A @ 120 V) to hardwired equipment that can deliver up to 19.2 kW (80 A @ 240 V). This allows for a flexible and scalable charging solution that can meet the needs of a wide range of electric vehicles.

In addition to power delivery, the J1772 system also supports communication between the vehicle and the charging station. The communication is used to negotiate the charging rate and to provide status information to the user. The communication is facilitated by the Proximity Pilot (PP) and Control Pilot (CP) pins on the connector. The PP pin is used to detect the presence of the vehicle, while the CP pin is used to negotiate the charging rate and to provide status information to the user.

Overall, the J1772 system is a reliable and flexible charging solution that can be used for Level 1 and Level 2 charging of electric vehicles in North America. Its support for a range of charging rates and its communication capabilities make it a popular choice for public and private charging stations alike.

Conclusion

The J1772 EV Charger Standard is a widely adopted charging standard that provides compatibility, safety features, and ease of use for electric vehicle owners. This standard was developed by the Society of Automotive Engineers (SAE) and has been in use since 2010. The J1772 standard has helped to promote the growth of the electric vehicle industry by providing a reliable and safe charging solution for EV drivers.

One of the key benefits of the J1772 standard is its ability to support a wide range of charging rates. The standard supports charging rates ranging from portable devices that can connect to a household NEMA 5-15 outlet that can deliver 1.44 kW to hardwired equipment that can deliver up to 19.2 kW. This means that EV owners can choose a charging solution that meets their specific needs, whether they need a fast charging solution or a slower charging option for overnight charging.

Another benefit of the J1772 standard is its compatibility with a wide range of electric vehicles. Many EV manufacturers have adopted the J1772 standard as their charging solution, making it easy for EV owners to find a charging station that is compatible with their vehicle. Additionally, the J1772 standard is compatible with Level 1 and Level 2 charging, which means that EV owners can use the same charging cable for both charging levels.

Overall, the J1772 EV Charger Standard has played a significant role in the growth and adoption of electric vehicles. Its compatibility, safety features, and ease of use have made it a popular choice among EV owners and charging station providers. As the electric vehicle industry continues to grow, it is likely that the J1772 standard will continue to be an important charging solution for EV owners.