Stellantis adopts Tesla’s J3400 (NACS) plug with Supercharger access in 2026

Stellantis adopts Tesla’s NACS connector

Stellantis officially announced on November 18, 2025, that it will adopt the North American Charging System (NACS) for its electric cars. This strategic decision means select Stellantis battery-electric vehicles (BEVs) will gain access to Tesla’s extensive network of charging stations.

The move will provide customers with future access to more than 28,000 Tesla Superchargers across five countries, significantly expanding fast-charging availability and boosting confidence for long-distance travel.

Technical benefits of the NACS plug

This charging system is known as the SAE J3400 industry standard. The compact J3400 connector supports both AC and DC in a single interface.

This simpler design makes it easier for drivers to connect the charger. The NACS standard supports DC fast charging at rates compatible with current Stellantis BEV architectures, which ensures quick power-ups for the vehicles.

Initial vehicles and the North American rollout

The NACS adoption will begin with compatible electric vehicles in North America, including the United States, Canada, and Mexico (three countries).

The first models gaining network access are the existing Jeep Wagoneer S and the Dodge Charger Daytona. These will be followed by future products, such as the 2026 Jeep Recon. This phase of the rollout is scheduled to begin in the region in early 2026.

International NACS expansion strategy

The NACS system is also being implemented in Japan and South Korea, bringing the total number of countries involved to five. Compatibility for electric vehicles in these two Asian markets is expected to begin in 2027.

This international expansion is a smart move that prevents the company from having to develop special versions of its electric cars with older CCS1 or CHAdeMO charging ports just for those smaller regional markets.

Adapter solutions for early models

The first models to access the Supercharger network, like the Jeep Wagoneer S and Dodge Charger Daytona, are equipped with the older CCS charging port.

Therefore, these existing BEVs will require an NACS-to-CCS adapter to connect to the Tesla stations. Stellantis has confirmed that additional details about adapter solutions and network onboarding for all current models will be released closer to the 2026 launch date.

Significant US investment supports transition

A significant commitment to the US market supports this major shift in charging. Stellantis is making a $13 billion investment in its US operations over four years to scale up electric vehicle production.

This funding, the largest in the company’s American history, will help ensure that the manufacturing facilities can handle the transition to NACS-equipped vehicles and achieve a 50% increase in yearly vehicle production.

Platform flexibility enables greater choices

This strategic approach is supported by Stellantis’ new STLA Large platform, which is designed to be highly flexible for many vehicle types. The platform is engineered to accept both 400-volt and 800-volt architectures for high-speed charging.

This technology targets an overall driving range of up to 500 miles on a single charge for large sedans. Eight vehicles using this advanced platform are planned for launch between 2024 and 2026.

Partnership in the Ionna charging network

In addition to NACS, the company has also formed a joint venture with six other automakers to establish a new fast-charging network called Ionna in North America.

These Ionna stations are being designed to support both the older CCS standard and the new NACS plug. The goal of the partnership is to install as many as 30,000 new high-powered chargers across major travel routes by 2030, thereby significantly enhancing the infrastructure.

Industry shift and standardization

The move to NACS aligns with the industry’s shift toward a regional standard. The NACS standard is now officially supported by more than 18 major car manufacturers, including many of Stellantis’ most significant competitors.

This large-scale adoption underscores the industry’s commitment to developing an interconnected charging ecosystem that offers greater flexibility and confidence to electric vehicle owners.

Supercharger network reliability rankings

A key factor in the NACS decision was the superior reliability of the Tesla network. The federal government mandates a 97% uptime for charging stations that receive public funding.

The Supercharger network was named the Best Large EV Charging Network for the second consecutive year in the 2025 Zapmap survey, which drew data from nearly 4,000 drivers across the United Kingdom.

Competitors’ transition timelines

Other major automakers began their transition earlier, with many offering NACS access or adapters starting in 2025.

For example, new electric models from Nissan will feature the NACS port standard for the U.S. and Canada markets beginning in 2025.

Want to see how fast the newest Tesla chargers can power an EV? Read more in Tesla launches first full V4 Supercharger station offering 500 kW capacity.

Long-term strategy with dare forward 2030

This industry shift supports Stellantis’ “Dare Forward 2030” strategic plan. The global trends of sustainability and affordability in mobility drive this decision.

The company aims for a 30% absolute reduction in greenhouse gas emissions by 2030 compared to its 2021 baseline. The ultimate goal of the plan is to achieve carbon net zero by 2038.

Curious which new electric truck is joining the Supercharger network? Check the update: The Slate electric truck will soon be able to charge at Tesla Superchargers.

Will this move make charging easier across brands? Share your thoughts below.

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• How new fast-charging networks are changing the EV experience

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This slideshow was made with AI assistance and human editing.